A.0.6 B.0.4 C.0.25 D.0.
A.12kHz B.24kHz C.20kHz D.40kHz
A.uPM(t)=UCcos(ωCt+mfsinΩt) B.uPM(t)=UCcos(ωCt+mpcosΩt) C.uPM(t)=UC(1+mpcosΩt)cosωCt D.uPM(t)=kUΩUCcosωCtcosΩt