Before the beginning of the Q wave At the top of the R wave After the end of the S wave
|
|
- Caitlin Norman
- 5 years ago
- Views:
Transcription
1 334 AcqKnowledge 4 Software Guide Detect and Claify Heartbeat Thi robut QRS detector i tuned for human ECG Lead II ignal. It attempt to locate QRS complexe and place an event near the center of each QRS complex to identify the type of heartbeat event: Normal The beat wa recognizable a a valid heartbeat falling in a human heartbeat rate. PVC The beat wa horter than the beat around it and may be a pre-ventricular contraction. Thee event can be found in the Hemodynamic > Beat ubmenu of the event type liting. Unknown The beat wan t recognizable a a valid heartbeat. Thi may occur on the firt beat prior to the QRS detector locking onto the ignal. It may alo occur if tracking i lot due to change in ignal quality. The Cycle/Peak detector may be ued with thee event to perform further cardiac analyi. Locate Human ECG Complex Boundarie Locate Human ECG Complex Boundarie perform ECG waveform boundary detection for human ECG Lead II ignal; ECG ignal mut be ampled at 5 khz or below to be analyzed with thi claifier. It will attempt to locate the boundarie of the QRS, T, and P wave and will define event for each individual complex. It will attempt to inert the following event; all of thee complex boundarie can be found in the Hemodynamic > ECG Complexe ubmenu of the Event Type liting. Wave Type Event Placement & Decription QRS Onet Peak End Before the beginning of the Q wave At the top of the R wave After the end of the S wave T-wave P-wave Onet Peak End Onet Peak End At the onet of T At the peak of the T wave Note: Thi may not be a poitive peak if the T-wave i inverted. If the T-wave eem to be bi-phaic, two T-wave event will be inerted and the event decription will indicate that the T-wave i bi-phaic. At the end of T At the onet of P At the top of the P wave Note: Thi may not be the abolute maximum, but rather the likely center of P. At the end of P The Cycle/Peak detector may be ued with thee event to perform further cardiac analyi. Locate Animal ECG Complex Boundarie Locate Animal ECG Complex Boundarie optimize the ECG waveform boundary detection for animal input. Smaller animal uch a mice often lack a detectable T wave, o in the etup dialog the T wave boundarie are diabled by default. If appropriate to the experiment, T wave detection can be applied by enabling the Define T wave boundarie checkbox. The average heart rate can alo be cutomized to reflect the normal range of a particular animal ubject. (The default rate i 600 BPM.) Viit the online upport center at
2 Part C Analyi Function 335 Heart Rate Variability New parameter etting for the HRV algorithm function better on horter ECG ignal and correpond more cloely with other implementation. Heart rate variability i the examination of phyiological rhythm that exit in the beat-to-beat interval of a cardiac ignal. Heart rate variability ait in performing frequency domain analyi of human ECG Lead II data to extract tandard HRV meaure. The HRV algorithm in AcqKnowledge 3.9 and above conform to the frequency domain algorithm guideline a publihed by the European Heart Journal. HRV proceing in AcqKnowledge conit of three tage: 1. The RR interval are extracted for the ECG ignal. A modified Pan-Tompkin QRS detector i ued. 2. The RR interval are re-ampled to a continuou ampling rate in order to extract frequency information. Cubic-pline interpolation i ued to generate thi continuou time-domain repreentation of the RR interval. 3. The frequency information i extracted from the RR interval and analyzed to produce tandard ratio. Power um are reported in unit of ec 2. A Welch periodogram i ued to generate the Power Spectral Denity (equivalent to Tranform > Power Spectral Denity). AcqKnowledge 4 Software Guide
3 336 AcqKnowledge 4 Software Guide The initial implementation of the HRV algorithm wa primarily for ue with long duration recording. HRV algorithm improvement allow for further cutomization to the algorithm: Windowing type for FFT ued to contruct the PSD may be changed between Hamming, Hanning, and Blackman Overall window length for egmenting ource data for individual FFT to include in PSD average may be modified Length of the individual FFT in the average can be manually pecified Scaling ha been changed for PSD, which are now caled relative to the ampling frequency Summary of power in individual frequency band ha been changed Intead of a traight um, an average power value i now reported Power at endpoint i halved (e.g. divided by 2) Sympathetic/Vagal ratio may optionally include the very low frequency band in the total power etimate The modification to the HRV algorithm that affect it power pectrum etimation have alo been applied to the PSD tranformation. After electing Analyi > Heart Rate Variability, chooe the appropriate tab() and etablih etting. Preet control, Tranform entire wave checkbox, and OK/Cancel button apply acro all of the tab. Preet The preet menu can be ued to ave a variety of HRV etting, including: beat detection parameter, pline reampling frequency, and frequency band range. Chooe a preet from the popup menu to apply it etting. To contruct a new preet with the currently diplayed etting, chooe Add New Preet. A default preet for adult human ubject i upplied. IMPORTANT Recording good data i eential for performing HRV analyi. The protocol for data acquiition, filtering, artifact detection and correction in Application Note 233 reult in great improvement in HRV analyi. Reult reveal that even a ingle heart period artifact, occurring within a 2-min recording epoch, can lead to error of etimate heart period variability that are coniderably larger than typical effect ize in pychophyiological tudie. Bernton & Stowell, 199 See Application Note 233 Heart Rate Variability Preparing Data for Analyi Uing AcqKnowledge (online at The note explain how to optimize ECG R-R interval data for Heart Rate Variability tudie by uing a template matching approach. It alo explain how to identify erroneou R-R interval value caued by ignal artifact and how method for correcting the error by uing the tool in the AcqKnowledge oftware. The note explain how to: A. Record good ECG data B. Prepare data for the tachogram 1. Filter the ECG data 2. Tranform the data uing Template Correlation function C. Create a tachogram D. Identify problem with the tachogram data E. Correct tachogram data Viit the online upport center at
4 Part C Analyi Function 337 RR interval Select a method to locate R wave: QRS Detector or Event. QRS detector The heart rate variability implementation ha a built-in QRS detector. The detector doe not run on raw ource data; it ue a modified Pan-Tompkin algorithm to normalize the ECG data to 1, whereby the peak amplitude of the highet R-wave repreent 1. Ue the tachogram output to examine the output of the QRS detector. R wave threhold The detection threhold mut be pecified in term of percentage of maximum R peak level; thi help to clarify the unit in which thi threhold i expreed. The default threhold level of.5 hould place the threhold in the middle of the R-wave, which hould function on a wide range of data et. If the R-wave amplitude varie a lot, it might be neceary to adjut the threhold level. o R wave threhold i expreed in normalized unit, which are in the range (-1, 1): poitive for poitive R wave peak. The maximum voltage in the ignal map to 1.0 and the minimum voltage in the ignal map to Pan J and Tompkin WJ. A Real-Time QRS Detection Algorithm. IEEE Tranaction on Biomedical Engineering 32(3): , Event R-wave peak will be located uing event already in the graph of the channel of data to be analyzed. Thi aume a ingle event i placed at each R-wave peak and that all of the R-peak event are of the ame event type. When uing event, the built-in QRS detector i not ued; the exact poitioning between the event on the channel i ued to extract the RR interval. By uing event, it i poible to ue other QRS detector within AcqKnowledge for performing HRV analyi. It i alo poible to apply pectral HRV-tyle analyi to data in other domain a long a interval can be reduced to event. Spline reampling frequency For highet accuracy, et to no le than twice the topmot frequency of the very high frequency band. AcqKnowledge 4 Software Guide
5 338 AcqKnowledge 4 Software Guide Frequency Band Enter the tart and end of each pecified frequency band to adjut the boundarie of the frequency analyi. They are preet to the frequency range recommended by the European Heart Journal. Output of derived parameter i preented in a dialog and may alo be pated a text to the Journal. Very high frequency band, uually ued in rat tudie, i diabled if the pline reampling frequency i le than the upper bound of the very high frequency range. PSD Option PSD Option etablih parameter for the power pectral denity tranformation ued to compute the pectrum from the interpolated tachogram; the option contained in thi tab mirror the control of the Analyi > Power Spectral Denity tranformation. The ue of linear detrending in each individual egment of ource data prior to the windowed periodogram analyi can be enabled or diabled. When diabled, the algorithm may be tuned to correpond to implementation that do not apply linear trending, uch a MATLAB, which ue windowing only. The ame PSD option are available via Analyi > Power Spectral Denity o uer can regenerate the pectrum from either the raw or interpolated tachogram output a neceary. After the uer modifie the parameter for the PSD tranformation, thoe parameter will become the new default value each time the dialog i diplayed. When the application i relaunched, the default etting will be ued (uer change are not peritent). Viit the online upport center at
6 Part C Analyi Function 339 Window Window ize Ued to change the window that i applied to each egment of the ource data prior to computing the PSD to be included in the average. Include the following option: Hamming Hanning Blackman The pecified number of ample mut be a power of two. Note that the window function i applied to the entire window width of the data; uing a ubet of the windowed data will not include the final portion of the windowed data. If the FFT ize i le than the window ize, only a ubet of the windowed ample data will be ued. Automatic If elected, the window ize i elected automatically depending on the ize of the ource data. For a data length of n ample, chooing thi radio button will ue the window ize: Manual L = n 4.5 If elected, the window ize will be input manually by the uer in the aociated edit field. The window ize mut be greater than three and mut be le than the length of the data election. Uer will be warned on invalid window ize when attempting to click OK. Overlap length After each individual FFT, the window of ource ample i hifted over by a certain amount to compute the next FFT, o there i an overlap of ource ample in ucceive window of ource for the next FFT in the average. Automatic If elected, the number of ample to overlap ucceive window will be computed automatically. Given a window length L computed according to the window width choice, chooing thi radio button will ue an overlap number of ample: Manual L 2 elected, the number of ample to overlap ucceive window of ource data. Overlapping reduce windowing artifact The overlap length mut be poitive and mut be le than the window ize. Uer will be warned on invalid overlap length when attempting to click OK FFT width Automatic If elected, the number of point to ue for each individual FFT will be computed automatically. Given a window length L computing according to the window width choice, the number of point in the FFT will be et to: Manual The number of point in the FFT i et to 256 if the window width i le than 256. Otherwie the length i et to the next power of two higher than the window width. If elected, the number of point in the FFT will be pecified manually in the edit box to the right of the radio. The number of point in the FFT will be required to be a poitive power of two. It i recommended that the FFT length be et larger than the window ize. If longer than the window ize, zero point padding i ued. Uer will be warned on invalid FFT number of point when attempting to click OK. If the uer input a number of point for the FFT that i horter than the window width, a confirmation dialog will be diplayed to the uer warning that the windowing i horter than the requeted FFT width and aked if they want to continue. AcqKnowledge 4 Software Guide
7 340 AcqKnowledge 4 Software Guide Ue linear detrending for each window Detrend each egment independently Tranform entire wave When enabled, linear regreion detrending i applied for each individual egment prior to the FFT computation. When diabled, windowing only i applied. Thi option i only available when Ue linear detrending i enabled. When thi option i enabled, detrending i applied independently for each egment; when diabled, detrending from the previou egment will be incorporated into the next egment. When enabled, the entire waveform i delayed. When unchecked, only the elected area i delayed. If there i no election in the graph, the checkbox i enabled and dimmed. A the election change in the graph with the election palette, the tate of thi checkbox i updated. Improvement to PSD Option (AcqKnowledge 4.3 and higher) The PSD output i now caled o power value are caled by the ampling rate. That i: PSD new = PSD old f Reporting a um for a frequency range when computing the power in an individual band ha been changed. Given a frequency range f, f low high define the et S of all ample of the PSD where S = PSD f,,psd. Define the um of the power within the frequency range a: low f high S f high flow i= S 1 S1 S f low, f high = + Si +. Thi applie the caling factor to a um of the i= S 1 frequencie in the frequency range, with the magnitude at the endpoint divided by 2. Previou verion would perform a direct um of all amplitude within the frequency band. Reult reporting ha been changed for the overall ratio. The VLF ection i now included in the ratio. A = v, v =,, and new VLF ratio ha been introduced. Define, = low, high. The new VLF ratio i: ratio defined a: ratio = v + + v v low = v high + v +. The new vagal ratio i defined a: previou algorithm define the ympathetic ratio a: ratio the vagal ratio a: ratio =. old + old = + low high. The new ympathetic ratio i ratio = v + +. The. The previou algorithm define Viit the online upport center at
8 Part C Analyi Function 341 Output Create tandard reult preentation graph or ae performance of the HRV algorithm. Output option allow acce to intermediate computation data for algorithm validation and/or meaurement. RR Interval table If the combined output formula i elected, the analyi output will contain an additional line of text: VLF Ratio with the correponding percentage. Spectrum Diplay the power pectrum denity (PSD) etimation from which the PSD ummation and ympathetic/vagal ratio are computed. Raw tachogram Plot the raw R-R interval found by the QRS detector. Perform tatitical HRV meaure on the R-R interval without exporting the textual R-R table to excel. Interpolated tachogram Plot the reampled R-R interval after cubic pline interpolation i applied and extract the PSD from thi data. Gatric Wave Analyi Gatric Wave Analyi ue autoregreive time-frequency analyi to determine the claification of gatric wave preent in an EGG ignal. The ingle wave analyi determine the percentage of gatric wave that fall within the frequency band correponding to normal, bradygatric, and tachygatric wave. The analyi alo indicate the percentage of wave that fall outide of thee boundarie and are arrhythmia. The frequency band are expreed in unit of contraction per minute and may be adjuted by the uer. Preet for commonly ued ubject and wave type are predefined; you may extend thee preet with your own. AcqKnowledge 4 Software Guide
9 342 AcqKnowledge 4 Software Guide Gatric Wave Coupling Gatric Wave Coupling take two EGG ignal and ue autoregreive technique to claify the contraction in thoe ignal according to uer-configurable frequency band (imilar to ingle channel Gatric Wave Analyi). In addition to providing claification information for the two ignal, Gatric Wave Coupling provide a meaure of the percentage of coupling between the two ignal thi meaure that can be ued to determine the amount of low-wave propagation acro the tomach. Chao Analyi The Chao analyi package ait the uer in exploring the chaotic nature of data, including meaurement election and viualization of time domain attractor in the data. Detrended Fluctuation Analyi Modified root mean quare analyi, ueful for evaluating e-imilarity in a long-term, non-tationary data erie. Source data i mean-adjuted and then integrated; it i then plit up into n egment of equal length, and in each egment, via linear regreion, the bet fit leat quare line i computed. For a particular value of n and a number of ample N, the characteritic fluctuation of the piecewie linear fit y n. i defined a: F n 1 N N k 1 y k y n k 2 F(n) i evaluated over a uer-pecified range for the number of diviion. n will equal the total length divided by the number of diviion. A log-log plot of the interval width n in ample veru the correponding value of F(n) will be created. If a linear relationhip appear to exit in thi graph, then the ource ignal diplay ome form of e-imilarity. The lope of the line in thi graph i related to the caling exponent. For more information on Detrended Fluctuation Analyi, ee Viit the online upport center at
R-R Interval Processing Using BIOPAC s HRV Algorithm Implementation
APPLICATION NOTE 42 Aero Camino, Goleta, CA 93117 Tel (805) 685-0066 Fax (805) 685-0067 info@biopac.com www.biopac.com Updated 01.07.2016 Application Note 246 R-R Interval Proceing Uing BIOPAC HRV Algorithm
More informationFrequency Calibration of A/D Converter in Software GPS Receivers
Frequency Calibration of A/D Converter in Software GPS Receiver L. L. Liou, D. M. Lin, J. B. Tui J. Schamu Senor Directorate Air Force Reearch Laboratory Abtract--- Thi paper preent a oftware-baed method
More informationEEEE 480 Analog Electronics
EEEE 480 Analog Electronic Lab #1: Diode Characteritic and Rectifier Circuit Overview The objective of thi lab are: (1) to extract diode model parameter by meaurement of the diode current v. voltage characteritic;
More informationCommunication Systems, 5e
Communication Sytem, 5e Chapter 6: Sampling and pule modulation A. Bruce Carlon Paul B. Crilly 00 The McGraw-Hill Companie Chapter 6: Sampling and pule modulation Sampling theory and practice Pule-amplitude
More informationSampling Theory MODULE XIII LECTURE - 41 NON SAMPLING ERRORS
Sampling Theory MODULE XIII LECTURE - 41 NON SAMPLING ERRORS DR. SHALABH DEPARTMENT OF MATHEMATICS AND STATISTICS INDIAN INSTITUTE OF TECHNOLOG KANPUR 1 It i a general aumption in ampling theory that the
More informationProduced in cooperation with. Revision: May 26, Overview
Lab Aignment 6: Tranfer Function Analyi Reviion: May 6, 007 Produced in cooperation with www.digilentinc.com Overview In thi lab, we will employ tranfer function to determine the frequency repone and tranient
More informationExperiment 3 - Single-phase inverter 1
ELEC6.0 Objective he Univerity of New South Wale School of Electrical Engineering & elecommunication ELEC6 Experiment : Single-phae C-C Inverter hi experiment introduce you to a ingle-phae bridge inverter
More informationIdentification of Image Noise Sources in Digital Scanner Evaluation
Identification of Image Noie Source in Digital Scanner Evaluation Peter D. Burn and Don William Eatman Kodak Company, ocheter, NY USA 4650-95 ABSTACT For digital image acquiition ytem, analyi of image
More informationCHAPTER 2 WOUND ROTOR INDUCTION MOTOR WITH PID CONTROLLER
16 CHAPTER 2 WOUND ROTOR INDUCTION MOTOR WITH PID CONTROLLER 2.1 INTRODUCTION Indutrial application have created a greater demand for the accurate dynamic control of motor. The control of DC machine are
More informationActive vibration isolation for a 6 degree of freedom scale model of a high precision machine
Active vibration iolation for a 6 degree of freedom cale model of a high preciion machine W.B.A. Boomma Supervior Report nr : Prof. Dr. Ir. M. Steinbuch : DCT 8. Eindhoven Univerity of Technology Department
More informationSubcarrier exclusion techniques
Subcarrier excluion technique for coded OFDM ytem Kai-Uwe Schmidt, Jochen Ertel, Michael Benedix, and Adolf Finger Communication Laboratory, Dreden Univerity of Technology, 62 Dreden, Germany email: {chmidtk,
More informationA Faster and Accurate Method for Spectral Testing Applicable to Noncoherent Data
A Fater and Accurate ethod for Spectral Teting Applicable to Noncoherent Data inhun Wu 1,2, Degang Chen 2, Guican Chen 1 1 School of Electronic and Information Engineering Xi an Jiaotong Univerity, Xi
More informationELEC353 Practice Problem Set #6
EEC353 Practice Problem Set #6. The value of load impedance mut be found by meaurement, at 200 MHz. An engineer meaure the tanding-wave pattern a hown in the figure above. The figure how the amplitude
More informationA COMPARISON OF METHODS FOR EVALUATING THE TEST ZONE PERFORMANCE OF ANECHOIC CHAMBERS DESIGNED FOR TESTING WIRELESS DEVICES
A COMPARISON OF METHODS FOR EVALUATING THE TEST ZONE PERFORMANCE OF ANECHOIC CHAMBERS DESIGNED FOR TESTING WIRELESS DEVICES Jame D. Huff John C. Mantovani Carl W. Sirle The Howland Company, Inc. 4540 Atwater
More informationPhase-Locked Loops (PLL)
Phae-Locked Loop (PLL) Recommended Text: Gray, P.R. & Meyer. R.G., Analyi and Deign of Analog Integrated Circuit (3 rd Edition), Wiley (992) pp. 68-698 Introduction The phae-locked loop concept wa firt
More informationPower Electronics Laboratory. THE UNIVERSITY OF NEW SOUTH WALES School of Electrical Engineering & Telecommunications
.0 Objective THE UNIVERSITY OF NEW SOUTH WALES School of Electrical Engineering & Telecommunication ELEC464 Experiment : C-C Step-own (Buck) Converter Thi experiment introduce you to a C-C tep-down (buck)
More informationAn FM signal in the region of 4.2 to 4.6
A LOW COST, HIGH ACCURACY RADAR ALTIMETER Thi article decribe the development of a frequency modulated (FM) radar altimeter for meauring the height of flying object. The entire tructure comprie two part:
More informationThe Central Limit Theorem
Objective Ue the central limit theorem to olve problem involving ample mean for large ample. The Central Limit Theorem In addition to knowing how individual data value vary about the mean for a population,
More informationA New Technique to TEC Regional Modeling using a Neural Network.
A New Technique to TEC Regional Modeling uing a Neural Network. Rodrigo F. Leandro Geodetic Reearch Laboratory, Department of Geodey and Geomatic Engineering, Univerity of New Brunwick, Fredericton, Canada
More informationAN EVALUATION OF DIGILTAL ANTI-ALIASING FILTER FOR SPACE TELEMETRY SYSTEMS
AN EVALUATION OF DIGILTAL ANTI-ALIASING FILTER FOR SPACE TELEMETRY SYSTEMS Alion de Oliveira Morae (1), Joé Antonio Azevedo Duarte (1), Sergio Fugivara (1) (1) Comando-Geral de Tecnologia Aeroepacial,
More informationLab 7 Rev. 2 Open Lab Due COB Friday April 27, 2018
EE314 Sytem Spring Semeter 2018 College of Engineering Prof. C.R. Tolle South Dakota School of Mine & Technology Lab 7 Rev. 2 Open Lab Due COB Friday April 27, 2018 In a prior lab, we et up the baic hardware
More informationMAX3610 Synthesizer-Based Crystal Oscillator Enables Low-Cost, High-Performance Clock Sources
Deign Note: HFDN-31.0 Rev.1; 04/08 MAX3610 Syntheizer-Baed Crytal Ocillator Enable Low-Cot, High-Performance Clock Source MAX3610 Syntheizer-Baed Crytal Ocillator Enable Low-Cot, High-Performance Clock
More informationComm 502: Communication Theory. Lecture 5. Intersymbol Interference FDM TDM
Lecture 5 Interymbol Interference FDM TDM 1 Time Limited Waveform Time-Limited Signal = Frequency Unlimited Spectrum Square Pule i a Time-Limited Signal Fourier Tranform 0 T S -3/T S -2/T S -1/T S 0 1/T
More informationAdaptive Groundroll filtering
Adaptive Groundroll filtering David Le Meur (CGGVerita), Nigel Benjamin (CGGVerita), Rupert Cole (Petroleum Development Oman) and Mohammed Al Harthy (Petroleum Development Oman) SUMMARY The attenuation
More informationII. SYSTEM MODEL. A. Link and path model
HARQ I. INTRODUCTION ARQ (automatic repeat-requet i a link layer protocol ued for packet error detection and retranmiion. Errordetection bit (uch a CRC bit are attached and tranmitted along with the meage
More informationAnalysis. Control of a dierential-wheeled robot. Part I. 1 Dierential Wheeled Robots. Ond ej Stan k
Control of a dierential-wheeled robot Ond ej Stan k 2013-07-17 www.otan.cz SRH Hochchule Heidelberg, Mater IT, Advanced Control Engineering project Abtract Thi project for the Advanced Control Engineering
More informationRESEARCH ON NEAR FIELD PASSIVE LOCALIZATION BASED ON PHASE MEASUREMENT TECHNOLOGY BY TWO TIMES FREQUENCY DIFFERENCE
RESEARCH ON NEAR FIED PASSIVE OCAIZATION BASED ON PHASE MEASUREMENT TECHNOOGY BY TWO TIMES FREQUENCY DIFFERENCE Xuezhi Yan, Shuxun Wang, Zhongheng Ma and Yukuan Ma College of Communication Engineering
More informationDIGITAL COMMUNICATION
DEPARTMENT OF ELECTRICAL &ELECTRONICS ENGINEERING DIGITAL COMMUNICATION Spring 2010 Yrd. Doç. Dr. Burak Kelleci OUTLINE Line Code Differential Encoding Regeneration, Decoding and Filtering Delta Modulation
More informationExperiment 8: Active Filters October 31, 2005
Experiment 8: Active Filter October 3, In power circuit filter are implemented with ductor and capacitor to obta the deired filter characteritic. In tegrated electronic circuit, however, it ha not been
More informationResonant amplifier L A B O R A T O R Y O F L I N E A R C I R C U I T S. Marek Wójcikowski English version prepared by Wiesław Kordalski
A B O R A T O R Y O F I N E A R I R U I T S Reonant amplifier 3 Marek Wójcikowki Englih verion prepared by Wieław Kordalki. Introduction Thi lab allow you to explore the baic characteritic of the reonant
More informationMethod to Improve Range and Velocity Error Using De-interleaving and Frequency Interpolation for Automotive FMCW Radars
International Journal o Signal Proceing, Image Proceing and Pattern Recognition Vol. 2, No. 2, June 2009 Method to Improve Range and Velocity Error Uing De-interleaving and Frequency Interpolation or Automotive
More informationHIGH VOLTAGE DC-DC CONVERTER USING A SERIES STACKED TOPOLOGY
HIGH VOLTAGE DC-DC CONVERTER USING A SERIES STACKED TOPOLOGY Author: P.D. van Rhyn, Co Author: Prof. H. du T. Mouton Power Electronic Group (PEG) Univerity of the Stellenboch Tel / Fax: 21 88-322 e-mail:
More informationReactive Power Control of Photovoltaic Systems Based on the Voltage Sensitivity Analysis Rasool Aghatehrani, Member, IEEE, and Anastasios Golnas
1 Reactive ower Control of hotovoltaic ytem Baed on the Voltage enitivity Analyi Raool Aghatehrani, Member, IEEE, and Anataio Golna Abtract: Thi paper addree the voltage fluctuation caued by the output
More informationIE 361 Module 6. Gauge R&R Studies Part 2: Two-Way ANOVA and Corresponding Estimates for R&R Studies
IE 361 Module 6 Gauge R&R Studie Part 2: Two-Way ANOVA and Correponding Etimate for R&R Studie Reading: Section 2.2 Statitical Quality Aurance for Engineer (Section 2.4 of Revied SQAME) Prof. Steve Vardeman
More informationA Flyback Converter Fed Multilevel Inverter for AC Drives
2016 IJRET olume 2 Iue 4 Print IN: 2395-1990 Online IN : 2394-4099 Themed ection: Engineering and Technology A Flyback Converter Fed Multilevel Inverter for AC Drive ABTRACT Teenu Joe*, reepriya R EEE
More informationSCK LAB MANUAL SAMPLE
SCK LAB MANUAL SAMPLE VERSION 1.2 THIS SAMPLE INCLUDES: TABLE OF CONTENTS TWO SELECTED LABS FULL VERSION IS PROVIDED FREE WITH KITS Phone: +92 51 8356095, Fax: +92 51 8311056 Email: info@renzym.com, URL:www.renzym.com
More informationChapter Introduction
Chapter-6 Performance Analyi of Cuk Converter uing Optimal Controller 6.1 Introduction In thi chapter two control trategie Proportional Integral controller and Linear Quadratic Regulator for a non-iolated
More informationMODAL ANALYSIS OF A BEAM WITH CLOSELY SPACED MODE SHAPES
ME 164 Senior Captone Deign The Cooper Union Spring 2011 MODAL ANALYSIS O A BEAM WITH CLOSELY SPACED MODE SHAPES Eglind Myftiu The Cooper Union New York City, NY, USA ABSTRACT Thi paper invetigate the
More informationUNIVERSITY OF SASKATCHEWAN EE456: Digital Communications FINAL EXAM, 9:00AM 12:00PM, December 9, 2010 (open-book) Examiner: Ha H.
Name: Page 1 UNIVERSIY OF SASKACHEWAN EE456: Digital Communication FINAL EXAM, 9:00AM 1:00PM, December 9, 010 (open-book) Examiner: Ha H. Nguyen Permitted Material: Only textbook and calculator here are
More informationPosition Control of a Large Antenna System
Poition Control of a Large Antenna Sytem uldip S. Rattan Department of Electrical Engineering Wright State Univerity Dayton, OH 45435 krattan@c.wright.edu ABSTRACT Thi report decribe the deign of a poition
More informationAutomatic Target Recognition with Unknown Orientation and Adaptive Waveforms
Automatic Target Recognition wi Unknown Orientation and Adaptive Waveform Junhyeong Bae Department of Electrical and Computer Engineering Univerity of Arizona 13 E. Speedway Blvd, Tucon, Arizona 8571 dolbit@email.arizona.edu
More informationGemini. The errors from the servo system are considered as the superposition of three things:
Gemini Mount Control Sytem Report Prediction Of Servo Error Uing Simulink Model Gemini 9 July 1996 MCSJDW (Iue 3) - Decribe the proce of etimating the performance of the main axi ervo uing the non-linear
More informationReinforcement Learning Based Anti-jamming with Wideband Autonomous Cognitive Radios
1 Reinforcement Learning Baed Anti-jamming with Wideband Autonomou Cognitive Radio Stephen Machuzak, Student Member, IEEE, and Sudharman K. Jayaweera, Senior Member, IEEE Communication and Information
More informationMassachusetts Institute of Technology Haystack Observatory WESTFORD, MASSACHUSETTS DATE 07/15/2009
BBD Memo #033 Maachuett Intitute of Technolog Hatack Obervator WESTFORD, MASSACHUSETTS 0886 DATE 07/5/2009 To: Broadband Development Group From: C. J. Beaudoin Subject: Holographic Proceing and Conideration
More informationEFFICIENCY EVALUATION OF A DC TRANSMISSION SYSTEM BASED ON VOLTAGE SOURCE CONVERTERS
EFFICIENCY EVALUATION OF A DC TRANSMISSION SYSTEM BASED ON VOLTAGE SOURCE CONVERTERS Giddani O. A (), Grain. P. Adam (), O. Anaya-Lara (3), K.L.Lo () tjb83@eee.trath.ac.uk, () grain.adam@eee.trath.ac.uk,
More informationDesign, Realization, and Analysis of PIFA for an RFID Mini-Reader
Deign, Realization, and Analyi of PIFA for an RFID Mini-Reader SUNG-FEI YANG ; TROY-CHI CHIU ; CHIN-CHUNG NIEN Indutrial Technology Reearch Intitute (ITRI) Rm. 5, Bldg. 5, 95, Sec., Chung Hing Rd., Chutung,
More informationNOISE BARRIERS CERC 1. INTRODUCTION
Augut 217 P33/1B/17 NOISE BARRIERS CERC In thi document ADMS refer to ADMS-Road 4.1, ADMS-Urban 4.1 and ADMS-Airport 4.1. Where information refer to a ubet of the lited model, the model name i given in
More informationPrevious lecture. Lecture 5 Control of DVD reader. TheDVD-reader tracking problem. Can you see the laser spot?
Lecture 5 Control of DVD reader Previou lecture Focu control Radial control (Track following) Lecture 4: Specification in frequency domain Loop haping deign Problem formulation Modeling Specification Focu
More informationA Real-Time Wireless Channel Emulator For MIMO Systems
A eal-time Wirele Channel Emulator For MIMO Sytem Hamid Elami, Ahmed M. Eltawil {helami,aeltawil}@uci.edu Abtract: The improvement in channel capacity hailed by MIMO ytem i directly related to intricate
More informationISO Assistive products for blind and visionimpaired persons Tactile walking surface indicators
Provläningexemplar / Preview INTERNATIONAL STANDARD ISO 23599 Firt edition 2012-03-01 Aitive product for blind and viionimpaired peron Tactile walking urface indicator Produit d aitance pour peronne aveugle
More informationPART. Maxim Integrated Products 1
19-1676; Rev 1; 7/00 Pin-Selectable Watchdog Timer General Decription The are pin-electable watchdog timer that upervie microproceor (µp) activity and ignal when a ytem i operating improperly. During normal
More informationAvailable online at ScienceDirect. Procedia Technology 21 (2015 ) SMART GRID Technologies, August 6-8, 2015
Available online at www.ciencedirect.com ScienceDirect Procedia Technology 1 (15 ) 589 595 SMART GRID Technologie, Augut 6-8, 15 An Optimization Algorithm for Voltage Flicer Analyi Athira S a*, Hariumar
More informationExperiment 4: Active Filters
Experiment : Active Filter In power circuit filter are implemented with ductor and capacitor to obta the deired filter characteritic. In tegrated electronic circuit, however, it ha not been poible to realize
More informationInstantaneous Cycle-Slip Detection and Repair of GPS Data Based on Doppler Measurement
Intantaneou Cycle-Slip Detection and Repair of GPS Data Baed on Doppler Meaurement Zhoufeng Ren, Liyan Li, Jie Zhong, and Minjian Zhao Abtract In GPS receiver, carrier phae meaurement can be ued to improve
More informationThe industry s Lowest Noise 10 V/G Seismic IEPE Accelerometer
The indutry Lowet Noie 10 V/G Seimic IEPE Accelerometer Felix A. Levinzon Endevco/Meggitt Corp. 30700 Rancho Viejo Road San Juan Capitrano, CA 9675 Robert D. Drullinger Lambda Tech LLC 998 Saratoga CT,
More informationA moving sound source localization method based on TDOA
A moving ound ource localization method baed on TDOA Feng MIAO; Diange YANG ; Ruia WANG; Junie WEN; Ziteng WANG; Xiaomin LIAN Tinghua Univerity, China ABSTRACT The Time Difference of Arrival (TDOA) method
More informationUser s Guide. 1201URX/AB 1201URX/VM 1201URX/Si/Si-S 1201BT 1201XT ENHANCED BROADCAST PERFORMANCE UHF WIRELESS SYSTEM
SPECIFICATIONS 1201URX/AB - 1201URX/Si/Si-S - 1201URX/VM RF Carrier Frequency Range 188 tep ~ 638.125-661.875 MHz MicroComputer Controlled PLL Synth. Noie Reduction Expander (THAT) Effective Operating
More informationA Simple DSP Laboratory Project for Teaching Real-Time Signal Sampling Rate Conversions
A Simple DSP Laboratory Project for Teaching Real-Time Signal Sampling Rate Converion by Li Tan, Ph.D. lizhetan@pnc.edu Department of ECET Purdue Univerity North Central Wetville, Indiana Jean Jiang, Ph.D.
More informationPT8A261/262 PIR Sensor Light Switch Controller. General Description. Features. Applications. Ordering Information. Block Diagram
Feature 2-tage operational amplifier a filter Built-in noie rejection circuit On-chip regulator Override function Synchronou with AC 220/50Hz and 110/60Hz Pule output (PT8A261) for TRIAC drive or level
More informationFM Range Calculation
FM Range Calculation Thi heet i to etimate of the range that can be epected from an FM or ASK modulated ytem. Chri Haji-Michael www.unhadow.co.uk It ue a modified-verion of the Fri tranmiion equation.
More informationFast & Accurate Algorithm for Jitter Test with a Single Frequency Test Signal
Fat & Accurate Algorithm for Jitter Tet ith a Single Frequency Tet Signal Minhun Wu 1,2, Degang Chen 2, Jingbo Duan 2 1 Xi an Jiaotong Univerity, Xi an,. R. China 2 Ioa State Univerity, Ame, IA, USA Abtract
More informationCuing mechanisms in auditory signal detection
Cuing mechanim in auditory ignal detection RONALD HÜBNER and ERVIN R. HAFTER Univerity of California, Berkeley, California Detection of auditory ignal under frequency uncertainty can be improved by preenting
More informationA Two-Stage Optimization PID Algorithm
PID' Brecia (Italy), March 8-3, ThB. A Two-Stage Optimization PID Algorithm Gíli Herjólfon Anna Soffía Haukdóttir Sven Þ. Sigurðon Department of Electrical and Computer Engineering,Univerity of Iceland
More informationDesign Calculation and Performance Testing of Heating Coil in Induction Surface Hardening Machine
Vol:, No:6, 008 Deign Calculation and Performance Teting of Heating Coil in Induction Surface Hardening Machine Soe Sandar Aung, Han Phyo Wai, and Nyein Nyein Soe International Science Index, Energy and
More informationActive Harmonic Elimination in Multilevel Converters Using FPGA Control
Active Harmonic Elimination in Multilevel Converter Uing FPGA Control Zhong Du, Leon M. Tolbert, John N. Chiaon Electrical and Computer Engineering The Univerity of Tenneee Knoxville, TN 7996- E-mail:
More informationAC : TEACHING DIGITAL FILTER IMPLEMENTATIONS US- ING THE 68HC12 MICROCONTROLLER
AC 2011-549: TEACHING DIGITAL FILTER IMPLEMENTATIONS US- ING THE 68HC12 MICROCONTROLLER Li Tan, Purdue Univerity North Central DR. LI TAN i currently with the College of Engineering and Technology at Purdue
More informationTime-Domain Coupling to a Device on Printed Circuit Board Inside a Cavity. Chatrpol Lertsirimit, David R. Jackson and Donald R.
Time-Domain Coupling to a Device on Printed Circuit Board Inide a Cavity Chatrpol Lertirimit, David R. Jackon and Donald R. Wilton Applied Electromagnetic Laboratory Department of Electrical Engineering,
More informationBasic Study of Radial Distributions of Electromagnetic Vibration and Noise in Three-Phase Squirrel-Cage Induction Motor under Load Conditions
http://dx.doi.org/0.42/jicem.203.2.2.54 54 Journal of International Conference on Electrical Machine and Sytem Vol. 2, No. 2, pp. 54 ~58, 203 Baic Study of Radial Ditribution of Electromagnetic Vibration
More informationMobile Communications TCS 455
Mobile Communication TCS 455 Dr. Prapun Sukompong prapun@iit.tu.ac.th Lecture 23 1 Office Hour: BKD 3601-7 Tueday 14:00-16:00 Thurday 9:30-11:30 Announcement Read Chapter 9: 9.1 9.5 Section 1.2 from [Bahai,
More informationHashiwokakero. T. Morsink. August 31, 2009
Hahiwokakero T. Morink Augut 31, 2009 Content 1 Introduction 3 2 What i Hahiwokakero? 3 2.1 The rule............................. 3 2.2 Eay olving tatement..................... 4 3 Building an Own Solver
More informationV is sensitive only to the difference between the input currents,
PHYSICS 56 Experiment : IC OP-Amp and Negative Feedback In thi experiment you will meaure the propertie of an IC op-amp, compare the open-loop and cloed-loop gain, oberve deterioration of performance when
More informationA Feasibility Study on Frequency Domain ADC for Impulse-UWB Receivers
A Feaibility Study on Frequency Domain ADC for Impule-UWB Receiver Rajeh hirugnanam and Dong Sam Ha VV (Virginia ech VLSI for elecommunication Lab Department of Electrical and Computer Engineering Virginia
More informationHigh Voltage Dry-Type Air-Core Shunt Reactors
1, rue d Artoi, F-75008 PARIS A3-101 CIGRE 014 http : //www.cigre.org High Voltage Dry-Type Air-Core Shunt Reactor K. PAPP* M. R. SHARP D.F. PEELO Trench Autria GmbH Trench Limited Conultant Autria Canada
More informationWireless Link SNR Mapping Onto An Indoor Testbed
Wirele Link SNR Mapping Onto An Indoor Tetbed Jing Lei, Roy Yate, Larry Greentein, Hang Liu WINLAB Rutger Univerity 73 Brett Road, Picataway, NJ 8854, USA {michelle, ryate, ljg, hliu}@winlab.rutger.edu
More informationECE 6640 Digital Communications
ECE 6640 Digital Communication Dr. Bradley J. Bazuin Aitant Profeor Department of Electrical and Computer Engineering College of Engineering and Applied Science Chapter 2 2. Formatting and Baeband Modulation.
More informationParallel DCMs APPLICATION NOTE AN:030. Introduction. Sample Circuit
APPLICATION NOTE AN:030 Parallel DCM Ugo Ghila Application Engineering Content Page Introduction 1 Sample Circuit 1 Output Voltage Regulation 2 Load Sharing 4 Startup 5 Special Application: Optimizing
More informationECS455: Chapter 5 OFDM
ECS455: Chapter 5 OFDM 1 Dr.Prapun Sukompong prapun.com/ec455 Office Hour: BKD 3601-7 Tueday 9:30-10:30 Friday 14:00-16:00 2 OFDM: Overview Let S 1, S 2,, S N be the information ymbol. The dicrete baeband
More informationDesign Calculation and Performance Testing of Heating Coil in Induction Surface Hardening Machine
Deign Calculation and Performance Teting of Heating Coil in Induction Surface Hardening Machine Soe Sandar Aung, Han Phyo Wai, and Nyein Nyein Soe Abtract The induction hardening machine are utilized in
More informationLCL Interface Filter Design for Shunt Active Power Filters
[Downloaded from www.aece.ro on Sunday, November 4, 00 at 8::03 (TC) by 79.7.55.48. Retriction apply.] Advance in Electrical and Computer Engineering Volume 0, Number 3, 00 LCL nterface Filter Deign for
More informationPre- and Post-DFT Combining Space Diversity Receiver for Wideband Multi-Carrier Systems
Pre- and Pot- Combining Space Receiver for Wideband Multi-Carrier Sytem Muhammad Imadur Rahman, Suvra Sekhar Da, Frank HP Fitzek, Ramjee Praad Center for TeleInFratruktur (CTiF), Aalborg Univerity, Denmark
More informationSynthetic aperture radar raw signal simulator for both pulsed and FM-CW modes
Computational Method and Experimental Meaurement XV 43 Synthetic aperture radar raw ignal imulator for both puled and FM-CW mode P. Serafi C. Lenik & A. Kawalec Intitute of adioelectronic, Military Univerity
More informationDESIGN OF SECOND ORDER SIGMA-DELTA MODULATOR FOR AUDIO APPLICATIONS
DESIGN OF SECOND ORDER SIGMA-DELTA MODULATOR FOR AUDIO APPLICATIONS 1 DHANABAL R, 2 BHARATHI V, 3 NAAMATHEERTHAM R SAMHITHA, 4 G.SRI CHANDRAKIRAN, 5 SAI PRAMOD KOLLI 1 Aitant Profeor (Senior Grade), VLSI
More informationPREDICTION AND MEASUREMENT OF RADIATED EMISSIONS BASED ON EMPIRICAL TIME DOMAIN CONDUCTED MEASUREMENTS
PREDICTION AND MEASUREMENT OF RADIATED EMISSIONS BASED ON EMPIRICAL TIME DOMAIN CONDUCTED MEASUREMENTS by LARRY FREEMAN B.S.E.C.E, The Ohio State Univerity A thei ubmitted in partial fulfillment of the
More informationDesign of a Robust Digital Current Controller for a Grid Connected Interleaved Inverter
Deign of a Robut Digital Current Controller for a Grid Connected nterleaved nverter M. A. Abuara and S. M. Sharkh School of Engineering Science,Univerity of Southampton, Highfield,Southampton SO7 BJ,United
More informationIntegral Control AGC of Interconnected Power Systems Using Area Control Errors Based On Tie Line Power Biasing
ISSN (Online) 232 24 ISSN (Print) 232 5526 Vol. 2, Iue 4, April 24 Integral Control AGC of Interconnected Power Sytem Uing Area Control Error Baed On Tie Line Power Biaing Charudatta B. Bangal Profeor,
More informationFormatting and Baseband. Formatting & Baseband. Page 1. Formatting and Baseband Modulation. CSE4214 Digital Communications
CSE4214 Digital Communication CSE4214 Digital Communication Chapter 2 Formatting Formatting and Baeband Modulation Formatting & Baeband Formatting and Baeband 3 4 Page 1 1 What i Formatting? Information
More informationSelf-Programmable PID Compensator for Digitally Controlled SMPS
6 IEEE COMPEL Workhop, Renelaer Polytechnic Intitute, Troy, NY, USA, July 16-19, 6 Self-Programmable PID Compenator for Digitally Controlled SMPS Zhenyu Zhao and Alekandar Prodi Univerity of Toronto Toronto,
More informationControl of Electromechanical Systems using Sliding Mode Techniques
Proceeding of the 44th IEEE Conference on Deciion and Control, and the European Control Conference 25 Seville, Spain, December 2-5, 25 MoC7. Control of Electromechanical Sytem uing Sliding Mode Technique
More informationA VHDL-AMS Simulation Methodology for Transient Supply Current Extraction
A VHDL-AMS Simulation Methodology for Tranient Supply Current Extraction Richard Perdriau */**, Damien Lambert */***, Anne-Marie Trulleman **, Mohamed Ramdani * and Jean-Luc Levant *** * Ecole Supérieure
More informationProceedings of the ASME 2013 Rail Transportation Division Fall Technical Conference RTDF2013 October 15-17, 2013, Altoona, Pennsylvania, USA
Proceeding of the ASME 0 Rail Tranportation Diviion Fall Technical Conference RTDF0 October 5-7, 0, Altoona, Pennylvania, USA RTDF0-4705 Toward a Better Undertanding of the Rail Grinding Mechanim Shaodan
More informationHARMONIC COMPENSATION ANALYSIS USING UNIFIED SERIES SHUNT COMPENSATOR IN DISTRIBUTION SYSTEM
HARMONIC COMPENSATION ANAYSIS USING UNIFIED SERIES SHUNT COMPENSATOR IN DISTRIBUTION SYSTEM * Montazeri M. 1, Abai Garavand S. 1 and Azadbakht B. 2 1 Department of Electrical Engineering, College of Engineering,
More informationTopology in Circuit Analysis
Topology in Circuit Analyi Many dierent circuit actually operate the ame Can reduce a circuit to a "graph" Graph only how the branche, not the device Two Circuit are aid to have the ame topology When the
More informationGPS signal Rician fading model for precise navigation in urban environment
Indian Journal of Radio & Space Phyic Vol 42, June 203, pp 92-96 GPS ignal Rician fading model for precie navigation in urban environment G Sai Bhuhana Rao, G Sateeh Kumar $,* & M N V S S Kumar Department
More informationEM341 Installation and use instructions
EM341 Intallation and ue intruction 65 A direct connection three-phae energy analyzer with Modbu and digital interface General warning HAZARD: Live part. Heart attack, burn and other injurie. Diconnect
More informationECE 6640 Digital Communications
ECE 6640 Digital Communication Dr. Bradley J. Bazuin Aitant Profeor Department of Electrical and Computer Engineering College of Engineering and Applied Science Chapter. Formatting and Baeband Modulation.
More informationConstant Switching Frequency Self-Oscillating Controlled Class-D Amplifiers
http://dx.doi.org/.5755/j.eee..6.773 ELEKTRONIKA IR ELEKTROTECHNIKA, ISSN 39 5, OL., NO. 6, 4 Contant Switching Frequency Self-Ocillating Controlled Cla-D Amplifier K. Nguyen-Duy, A. Knott, M. A. E. Anderen
More informationStudies on Novel Anti-jamming Technique of Unmanned Aerial Vehicle Data Link
Chinee Journal of Aeronautic 1(008) 141-148 Chinee Journal of Aeronautic www.elevier.com/locate/cja Studie on ovel Anti-jamming Technique of Unmanned Aerial Vehicle Data Link Huang enzhun a, *, ang Yongheng
More informationAutomatic Voltage Regulator with Series Compensation
Automatic Voltage Regulator with Serie Compenation 1 Neethu Sajeev, 2 Najeena K S, 3 Abal Nabi 1 M.Tech Student, 2, 3 Aitant Proffeor, Electrical and Electronic Dept ILAHIA College of Engineering and Technology
More informationPublished in: Proceedings of the 26th European Solid-State Circuits Conference, 2000, ESSCIRC '00, September 2000, Stockholm, Sweden
Uing capacitive cro-coupling technique in RF low noie amplifier and down-converion mixer deign Zhuo, Wei; Embabi, S.; Pineda de Gyvez, J.; Sanchez-Sinencio, E. Publihed in: Proceeding of the 6th European
More informationSIMULINK for Process Control
SIMULINK for Proce Control Simulink for Control MATLAB, which tand for MATrix LABoratory, i a technical computing environment for high-performance numeric computation and viualization. SIMULINK i a part
More information