摘要
针对目前世界上卫星电视广播和地面电视广播采用的ＮＴＳＣ、ＰＡＬ和ＳＥＣＡＭ三大制式，分析了信号处理方式和各自的特点，着重阐述了最新的卫星电视制式──ＭＡＣ，分析了它与三大制式本质上的区别及时分复用方式，提出了适合我国卫星电视广播新制式的选择方案。
The signal processing methods and the feattire of the three television systems-NTSC. PAL. SECAM television system used by satellite and ground televisionbroadcasting in the world are analyzed. The time division multiplex form of the new satellite television system-MAC is described in detail. The essential distinction between BACand three television systems is analyzed. The possible choice of new satellite televisionsystem suitable for our country are put forward.
出处
《西北建筑工程学院学报（自然科学版）》
1996年第2期53-57,共5页
Journal of Northwestern Institute of Architectural Engineering
关键词
电视制式
卫星电视广播
地面电视广播
modulation, television system
frequency division multiplex
time divisionmultiplex
