色同步信号是为了在接收端恢复与发送端被抑制掉的色副载波同频同相的载波而设置的。
Color synchronous signal is setup to resume subcarrier color signal as same frequency and phase in receive end, which is suppressed in send end.
在载波频率已恢复的情况下给出了IQ正交分量的解调算法。
The demodulation algorithm for IQ components is given under condition that the carrier is recovered.
介绍采用微波混频器的上变频特性实现宽带平方电路的设计方法与具体实现，主要用于高码速率QPS K信号的载波恢复。
An introduction of the design and implementation of a broad-band square circuit is given, which is used to recover the carrier of the high speed QPSK signal.
应用推荐