As the value of M the bandwidth efficiency

Vinay • 28.75K Points
Instructor II

Q. As the value of M                    the bandwidth efficiency

(A) increases, same.

(B) increases, decreases

(D) decreases, same

Correct : Option (C)

Explanation:

 the first null bandwidth of m- ary psk signals decrease as m increases while rb is held constant. therefore, as the value of m increases, the bandwidth efficiency also increases.

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Q. As the value of M the bandwidth efficiency

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