[请求] [问题] [寻找] Any Digi-Comm Expert? Please help! So :confused:

[Mitsumi]

Any telecommunication god/goddess out there? The question is prove that low pass equivalent of s(t) is generally a complex-valued signal and give the condition under which it is real, assuming that s(t) is a real-valued bandpass signal.

Any pointers would help!

 

[Mitsumi]

Nobody knows? So disappointed...