The World of Modern Engineering What do Scientists and Engineers do? What is the difference between analog and digital devices? How do Engineers organize their designs? Introduction to LabView software Students will examine the problem of creating a movie Gain an understanding of the engineering design algorithm Identify differences between analog and digital devices Define Moore s law and the concept of doubling Apply engineering block diagrams to a problem Become familiar with Labview software and it s capabilities in the course Approx 13 days Aug. 24- sep 10 Scientific method, algorithm, engineering design algorithm, constraints, analog, vacuum tube, digital age, digital, transistor, integrated circuit, bits, byte, binary, binary numbers, Moore s law, block diagrams, input, output, prototype Design problem create an award winning movie from your home Build a VI that calculates the slope of a line Build a VI that captures an image Calculate the future of transistors with Moore s Law Design a new cell phone 1 Labview test create slope Labview test fix the wiring on the analysis of equation of slope Creating Digital Music What is a signal? What is sound? How can you represent sound and signals mathematically? How do you make music from sines and cosines? Making different instruments from sinusoids Study various signals Use functions to plot signals See the shape and form of their voice, music and other sounds Understand the math Approx 25 days Sep 14 oct.8 Signal, sound signal, microphone, loudspeaker, approximations, sampling, amplitude, notes, pitch, periodic signal, period, fundamental Design problem create a digital band see book Lab analyze voice signals Review various musical instrument signals 2 Project completion a better karaoke band! Create the ultimate speaker design Analyze and determine sounds Douglas County School District Page 1 DRAFT April 2010
How are spectrograms used in music How to create music with a midi player behind signals Examine how MIDI is used to represent music electronically Link sine and cosinge functions to sinusoids. Generate music from sine and cosine signals Examine the sinusoids of tuning forks Create melodies from multiple sinusoids Review how the spectrogram creates a signal from sines and cosines Make waveforms and melodies Make various instruments Design the ultimate karaoke machine with block designs frequency,hertz, melody, chord, standard, MIDI, sinusoid, radian, spectrum analyzer, spectrum, spectrogram, synthesis, sound synthesis, waveform synthesis, additive synthesis, envelope, square wave, exponential function, rate of decay Make a speaker Manipulate sin / cos to create signals Lab measuring tuning fork frequencies and the sounds they make Lab - build a midi player Lab review spectrogram imprint Lab create sound effects echo, reverb by their spectrogram Douglas County School District Page 2 DRAFT April 2010
Making Digital Images How do you convert into digital format? How do you add color to image? Which is a better picture? How do you add effects to pictures? Determine how an image can be recreated in binary Review the components of a digital imaging system Review how quantization effects Determine sampling rates, pixel sixes and required bits for color And how they effect Change rbg amount and how it effects color Examine bits and bytes and image quality Examine sampling and image effect Determine pixel width in Approx 14 days Oct 12-30 Digital imaging, pixel, gray scale, image enhancement, animation, quantization, spatial sampling / size / rate, sampling artifacts, temporal sampling rate, temporal aliasing, field of view, byte, halftone, palette, colormap, aliasing Design problem how do you share a visual experience with others? Lab image quantization Lab image sampling Lab resolution trade offs Lab setup for live picture / determine pixel width Create a way to share digital see text Douglas County School District Page 3 DRAFT April 2010
Math You Can See How can you use digital Design a robo helper Digital image is a matrix Digital darkroom tools filtering, softening, sharpening How do find a edge to an image? How do you reduce noise and filter Design simple vision systems Identify uses of digital Discuss how pictures can be stored as numbers Discuss how matrices are the math behind Use thresholds to change Examine math operations effects on matrices and Use averaging and difference filters to detect edges Discover how a robot uses edge finding to recognize objects Observe how sharpening improves corrupted Design an object counter for coins and generalize it Create a blue screen Approx 30 days Nov 2- dec 10 Image processing, random noise, unsharp masking, edge detection, computer graphics, morphing, matrix, chromakey, elements, scalar, clipping, mapping, neighborhood operation, threshold, mask, average, median, Design problem how to record and monitor variances in numbers Lab changing image and math Lab threshold Lab adding and subtracting to Lab shifting Lab sharpening Lab edge detectors Lab design an image counter Lab design a motion detector Lab design a green screen image system Create image system to monitor changes Douglas County School District Page 4 DRAFT April 2010
Bridge Building Create a bridge that meets certain specs and can carry a certain load Approx 15 days Dec. 17 Jan 15 Design bridge in bridge building program?? name Semester Final exam Bridge building contest Digitizing the World How to digitize information The importance of sampling Converting to analog from digital What is a Binary number How information is quantitzed Create a digital yearbook Distinguish between analog and digital Understand sampling and implications Apply the Nyquist rate Explain and observe aliasing causes Apply binary coding Calculate SNR in large numbers Approx 16 days Jan 18- Feb 3 Byte, quantization, dynamic range, clipping, analog digital conversion, signal to noise ration Bit, binary number system, binary point, ascii code, aliasing, moiré pattern, bandlimited signal,, lowpass filter, nyquist rate, bandwidth, DSP digital signal processing, sampling, sampling period, digitization, digital signal, sample Create a digital yearbook Lab digitizing a FM radio signal Lab aliasing in various sinusoid waves Lab quantization of data - noise Create a digital yearbook Douglas County School District Page 5 DRAFT April 2010
Coding Information for Storage and Secrecy How to create a digital backback How information is coded How to compress information The best compression method MP3 and compression Coding for security Encryption methods How can you create a virtual garage sale? Create a simple codebook Analyze the compression process Understand the difference between lossy and lossless compression Discuss the limits of lossless compression Explain the concept of relative frequency Examine lossy compression and mp3 standards Examine the effects of speech compression on intelligibility of sounds Understand how to code to detect and correct errors Understand internet security and implementation Study various encoding methods Review various encoding Approx 21 days Feb 4- Mar 5 Exclusive OR operation, pseudo random number generator, seed, modulo-n-operation, public key cryptography, rotational encoding, cryptogram, identity coding, permutation encoding, cryptography, decryption key, password access codes, Create a virtual garage for the internet Create a digital backpack for student information Lab compression techniques Lab Hoffman tree with m & m s Lab how much mp3 audio will fit on a CD- ROM Lab - speech compression Lab correcting error Activity current events internet security Lab encoders Lab key generation for security Lab pseudo random number generator Create a virtual garage site for the internet Douglas County School District Page 6 DRAFT April 2010
Communication with Ones and Zeros How can you communicate with ones and zeros Simple communication vs. complex Serial communication Limiting errors in communication How to communicate between sender and receiver What is Unicode vs. ascii techniques Understand the Huffman tree Understand how a pseudo random number generator works Create a virtual garage for the internet Explain the 3 basic components of transferring information Review the history of digital communications Determine appropriate communications system Transmit and receive messages using a single tone Determine errors in communications systems Study the effect of weak and noisy signals Use various code tables for audio communication Decide on choices that affect implementation of a communication system Approx 20 days Mar 8 Apr 1 Digital communications, transmitter, receiver, tones, filter, bandpass filter, cochlea, weak signal, noise, interference, whiter noise, transmission speed, error rate, parallel binary method, serial binary method, frequency shift keying, international morse code, baudot code, askii code, Unicode, transmission rate, Crete a communication system for all languages Create a short report that highlights the digital communications history Lab determining transmission rate Lab communication using one tone Lab determining message in two systems Lab signals with noise Lab communication with several tones Lab touchtone telephone Create a communication system for the Chinese language ( or one past 26 characters) Douglas County School District Page 7 DRAFT April 2010
Use various methods to send text Simulate a touchtone keypad Simulate transmissions with different tones Lab determining binary transmission rate Networks from the Telegraph to the Internet What is a network? How to communicate with multiple systems? How to relay information What is the internet How could you improve our current network design Students will Understand how a network is constructed Simulate multi user networks Simulate a chat system Simulate a network topology that resemble the internet Understand network routing and switching Simulate multiple user networks with multiple routers and paths Explore interent topology, Review the history of the internet Examine various network protocols Receive and transmit video streams Approx 13 days Apr 12 apr 30 Broadcast systems, point to point systems, relay point, star configuration, local area network, store and forward network, routing table, router, queue, quality of service, switching, internet, protocols, access, servers, internet service provider, access server, intranet, backbone, tcp/ip, packets, SMTP, MIME, HTTP, FTP, URL, DNS, cache, Create a network for a specific client Lab multi user network Lab multi user network with router Lab - - multi user network with several routers Lab multi user network with choice of transmission path Research one aspect of historical aspect of internet Lab internet performance Chapter Test Design a network for a specific location Douglas County School District Page 8 DRAFT April 2010
The Big Picture of Engineering How does engineering improve society? What are the various fields of engineering What does the future of engineering hold? Review 10 different and important engineering achievements Discuss impacts of these projects Review the work of wellknown engineers and their contribution to society Review career requirements in the engineering field Approx 6 days May 3-13 All engineering fields Impact tree of various engineering accomplishments from chapter Research engineering fields Research engineers and their inventions for a report Research project engineering career Final Project How can I improve or create something to improve the area around me Students will combine skills developed over course to create a final engineering project for a portfolio piece Approx 15 days May 15- june 8 Final project / exam Douglas County School District Page 9 DRAFT April 2010