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### practicum_5

Course: ECE 4790, Fall 2009
School: Villanova University
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Word Count: 168

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4790 2/25/99 ECE E LECTRICAL C OMMUNICATIONS P RACTICUMS SPRING 99 P RACTICUM #5 QUADRATURE A MPLITUDE MULTIPLEXING OBJECTIVES: QAM is a way of sending two signals simultaneously over the same bandwidth. We will use the qam option of modulate and demod for this purpose. You need to read the usage of qam, particularly the way the inphase and quadrature components are put together. METHOD: 1): Generate two signals,...

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4790 2/25/99 ECE E LECTRICAL C OMMUNICATIONS P RACTICUMS SPRING 99 P RACTICUM #5 QUADRATURE A MPLITUDE MULTIPLEXING OBJECTIVES: QAM is a way of sending two signals simultaneously over the same bandwidth. We will use the qam option of modulate and demod for this purpose. You need to read the usage of qam, particularly the way the inphase and quadrature components are put together. METHOD: 1): Generate two signals, 1):normal random noise with mean 0 and variance 1 and 2): 10 Hz tone with amplitude 1. Use 50 Hz for the carrier frequency 5000 and Hz for the sampling rate. 2): Arrange them in the proper fashion and use modulate on them. 3): Use demod to separate the two tones 4): To show that you have done it, produce 3 figures, a): original signals, b): qam signal, and c): individual demultiplexed signals at the output of demod. You should get the ...

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