ECE :: Communication Systems
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If the target cross-section is changing, the best scanning system for accurate tracking is
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Frequency modulation consists in
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Thermal noise has a power spectral density which is quite uniform upto frequencies in the order of
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In cell communication
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A.
varying the frequency and amplitude of the carrier in accordance with the instantaneous value of modulating signal
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B.
varying the amplitude of the carrier in accordance with the instantaneous value of the modulating voltage
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C.
varying the frequency of the carrier voltage in accordance with the instantaneous value of the modulating voltage
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D.
vary the frequency of the carrier voltage
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