信号采用伪随机编码进行相位调制，相当于是用载频对伪随机码进行上变频。

Using pseudo random code to modulate the signal's phase equals to frequency up-conversion of the pseudo random code by the carrier frequency.

youdao

信号采用伪随机编码进行相位调制，相当于是用载频对伪随机码进行上变频。

Using pseudo random code to modulate the signal's phase equals to frequency up-conversion of the pseudo random code by the carrier frequency.

youdao