Q.

In angle modulation, signal to noise ratio before detection is a function of              

A. modulation index
B. input signal to noise ratio
C. maximum frequency of the message
D. if filter bandwidth
Answer» D. if filter bandwidth
Explanation: in angle modulation systems, the signal to noise ratio before detection is the function of the receiver if filter bandwidth, received carrier power, and received interference. however, signal to noise ratio after detection is a function of maximum
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