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Q. |
In comparison to M-ary PSK, M-ary QAM bandwidth efficiency is and power efficiency is |
A. | identical, superior |
B. | less, superior |
C. | identical, identical |
D. | superior, superior |
Answer» A. identical, superior | |
Explanation: the power spectrum and bandwidth efficiency of qam modulator is identical to m-ary psk modulation. but, in terms of power efficiency qam is superior to m-ary psk. |
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