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Q. |
Power efficiency of M-ary FSK increases, since |
A. | constellation is densely packed |
B. | m signals are non-orthogonal |
C. | fixed null bandwidth |
D. | m-signals are orthogonal |
Answer» D. m-signals are orthogonal | |
Explanation: in m-ary fsk, all the m signals are orthogonal and there is no crowding in the signal space. hence, power efficiency of m- ary fsk increases with m. |
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