若载波uC(t)=UCcosωCt,调制信号uΩ(t)= UΩcosΩt,则调相波的表达式为
选项:
A:uPM(t)=UCcos(ωCt+mfsinΩt);
B:uPM(t)=UCcos(ωCt+mpcosΩt);
C:uPM(t)=UC(1+mpcosΩt)cosωCt ;
D:uPM(t)=kUΩUCcosωCtcosΩt
发布时间:2024-06-26 14:15:37