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Problem 4.6. Consider two lowpass spectra, Xi(f) and Xo(f) in Figure 4.15 and sketch the energy...
This is taken from Section 4.6, "Amplitude Modulation and the
Continuous-Time Fourier Transform," in the course text Computer
Explorations in signals and systems by Buck, Daniel, Singer, 2nd
Edition. I need the answers for the basic and intermediate
questions.
4.6 Amplitude Modulation and the Continuous-Time Fouriei Transform This exercise will explore amplitude modulation of Morse code messages. A simple ampli tude modulation system can be described by x(t) = m(t) cos(Crfot), (4.13) where m(t) is called the message waveform and...