# Tutorial2 - EE 3008. Baseband Modulation Tutorial Questions...

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EE 3008. Baseband Modulation Tutorial Questions Q1) Consider a binary PAM waveform of two bits, in which “1” is represented by a positive rectangular pulse of amplitude A and width τ , and “0” by a negative one. Assume that each bit has the same probability of being a “1” or “0” and that the value of a particular bit has no influence on the value of any other bit (i.e., each bit is independent). (a) Plot all the four possible waveforms representing “00”, “01”, “10” and “11”, respectively. (b) Determine the energy spectrum for each waveform in (a). Q2) Still consider the binary PAM waveform in Q1. (a) Plot the energy spectrum of each waveform in Q1(a). (b) Plot the average energy spectrum. (c) Determine and plot the average power spectrum. Note: The average power spectrum is defined as Energy Spectrum of a series of pulses Average Power Spectrum = Time to transmit the series of pulses . Q3)

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## This note was uploaded on 01/11/2011 for the course EE 3008 taught by Professor Pingli during the Fall '08 term at City University of Hong Kong.

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Tutorial2 - EE 3008. Baseband Modulation Tutorial Questions...

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