论文部分内容阅读
随着信息技术的迅猛发展,有线电视网由传统的同轴电缆向光缆电视网过渡。广大电视观众的欣赏水平和要求不断提高,电视台需要扩展多种业务,笔者阐述为了适应电视台业务的扩充,而采取的加扰和解扰技术。
With the rapid development of information technology, cable television network from the traditional coaxial cable to cable television network transition. The appreciation of the vast number of television audiences and the requirements continue to increase, television stations need to expand a variety of business, the author described in order to adapt to the expansion of television business, and to take the scramble and descramble technology.