EE1003_project_part1_release

EE1003_project_part1_release - EE1003 INTRODUCTION TO...

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EE1003 I NTRODUCTION TO SIGNALS AND C OMMUNICATIONS : PROJECT Part 1 : project overview
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W HAT IS THE PROJECT ABOUT ? Building a laser wireless communication system. Apply signals and communications conceptions you have learned via the lectures and lab sessions to project. Apply hardware and digital design skills you have obtained. Video from last semester class. In the end, it may looks like this. /12/2011 2 E1003 Project
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/12/2011 3 E1003 Project PCM encoder Analogy voice signal Laser pointer Detector PCM decoder 0101010
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W HAT IS THE PROJECT ABOUT ? System includes source coding, modulation, detection, synchronization and decoding. Source coding pulse code modulation (PCM) Modulation on-off keying Detector photodiode circuit. Synchronization frame and bit (clock recovery) Decoder PCM codec /12/2011 4 E1003 Project
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O BJECTIVES OF THIS PROJECT Understand the conceptions in signals and communications, and apply them in your project; Obtain hands on experience on communication systems; Work as teams, communicate and collaborate effectively; Discovery learning and acquire learning skills for your future success; /12/2011 5 E1003 Project
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M INDSET CHALLENGE This module runs in a non-traditional way. Understand and apply signals and communications conceptions. We prompt discovery learning. You are encouraged to play an active role in the learning. Practice team work. Please feedback to improve. /12/2011 6 E1003 Project
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EE1003 I NTRODUCTION TO SIGNALS AND C OMMUNICATIONS : PROJECT Part 2: Labs and Project
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O VERVIEW Through the labs and project, you will learn the basic blocks of a communication system. Basic conceptions on signals and communications are applied while you are building project. The labs are related with the project. Project: a wireless laser communication system /12/2011 8 E1003 Project
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L ABS Spectrum of common signals How to measure spectrum using a oscilloscope? How the spectrum of common signals look like and why? Understanding spectrum is another way to characterize signals. Pulse code modulation codec Encoding analogy voice signal to digital. Recover the analogy voice from PCM data and replay. How to use the codec in your project? All digital phase lock loop Why phase lock loop is needed? How does it work? Considerations on design ADPLL with 74HC297? /12/2011 9 E1003 Project
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/12/2011 E1003 Project 10
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P ROJECT Project: a wireless laser communication system PCM codec Photodiode Bit synchronization and ADPLL circuit Frame synchronization /12/2011 11 E1003 Project
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A PCM illustration . /12/2011
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EE1003_project_part1_release - EE1003 INTRODUCTION TO...

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