SolStd03 - CHAPTER 3 Data and Signals Solutions to...

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1 CHAPTER 3 Data and Signals Solutions to Odd-Numbered Review Questions and Exercises Review Questions 1. Frequency and period are the inverse of each other. T = 1/ f and f = 1/T. 3. Using Fourier analysis. Fourier series gives the frequency domain of a periodic signal; Fourier analysis gives the frequency domain of a nonperiodic signal. 5. Baseband transmission means sending a digital or an analog signal without modu- lation using a low-pass channel. Broadband transmission means modulating a digital or an analog signal using a band-pass channel. 7. The Nyquist theorem defines the maximum bit rate of a noiseless channel. 9. Optical signals have very high frequencies. A high frequency means a short wave length because the wave length is inversely proportional to the frequency ( λ = v/f), where v is the propagation speed in the media. 11. The frequency domain of a voice signal is normally continuous because voice is a nonperiodic signal. 13.
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This note was uploaded on 09/16/2010 for the course SETAS ETEC301 taught by Professor Multiple during the Winter '09 term at Centennial College.

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SolStd03 - CHAPTER 3 Data and Signals Solutions to...

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