The reason to produce beat interference of colorsubcarrier and sound intercarrier is analyzed with the introduction of considerable items for design and testing methods.
分析了彩色副载波和伴音内载波差拍干扰产生的原因、设计应考虑的问题以及测试方法。
2
Color synchronous signal is setup to resume subcarriercolor signal as same frequency and phase in receive end, which is suppressed in send end.