Question
A message signal has a bandwidth of 30 kHz. Efficient radiation from an antenna requires that the antenna length be at least a tenth
A message signal has a bandwidth of 30 kHz. Efficient radiation from an antenna requires that the antenna length be at least a tenth of the transmitted signal wavelength. Determine the minimum antenna length for efficient radiation if: (a) it is to be broadcast without the benefit of modulation, (b) it is broadcast after it is amplitude-modulated with a sinusoidal carrier having a frequency that is 100 times the bandwidth of the message signal.
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Get StartedRecommended Textbook for
Digital Signal Processing
Authors: Jonh G. Proakis, Dimitris G.Manolakis
3rd Edition
978-0133737622, 133737624, 978-013373762
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