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Scott Lichtor's Senior Design Project

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Communications Processes
Matlab Functions
GUI Implementation
Further Work

The goal of my project was to demonstrate many of the basic techniques used in communications using Matlab. I wanted to be able to show the user what happens to an input signal when the signal is modulated and converted into a digital signal. The techniques I wanted to demonstrate with respect to analog modulation were amplitude modulation, frequency modulation, and phase modulation. For digital conversion, I wanted to demonstrate sampling and quantization, and for digital modulation I wanted to demonstrate conversion to line code, on-off key switching, binary phase shift keying, and frequency shift keying. I first created Matlab functions that performed the operations that I wanted to demonstrate. Then, I created a Matlab Graphical User Interface (GUI) to tie all the functions together and provide an easy-to-use interface.