The pollution of noise to signal presented in the form of amplitute and phase modulated signal is closely proven by mathematical formulae. The power of AM noise is equal to that of PM noise.

• 本文用数学公式严密地证明了,噪声对信号的污染以调制信号的振幅和相位的形式出现,且调幅噪声的功率与调相噪声的功率相等。