调制电路与解调电路

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??5 ??6 ±í?? rd/R??Ri/R????????±í rd/R 0 0.00057 0.0046 0.017 0.045 0.1 0.22 0.51 1.36 OO ?? 0?? 10?? 20?? 30?? 40?? 50?? 60?? 70?? 80?? 90??
cos?? 1 0.99 0.94 0.87 0.77 0.64
0.50 0.34 0.17 0 Ri/R 0.50 0.51
0.54 0.59 0.69 0.84 0.11 0.69 3.5
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