This peper describes the distribution of crossmodulation and intermodulation originated along the CATV System, as well as the interrelation and accumulation of those nonlinear products.

• 交扰调制比CM和载波互调比IM是电缆电视系统非线性的两项主要指标,本文主要讨论电缆电视系统中放大器变调、互调产物的分布及各种产物的内在联系和积累规律。