本文列出当前国际上通用的各种电视制式的细节,包括:黑白与彩色视频信号的特性;行、场同步信号波形的细节;射频特性、接收机群时延特性曲线以及几种预校正曲线的细节等。附录Ⅲ列出了伽马与伽马预校正的定义。本文资料可供广播系统、工业部门以及生产厂家参考。 This article lists the details of various television formats commonly used in the world today, including: the characteristics of black and white and color video signals; the details of the line and field synchronization signal waveforms; the radio frequency characteristics, receiver group delay characteristics, and several pre-calibration curves Details and so on. Appendix III lists the definitions of gamma and gamma pre-correction. This information is available for broadcast systems, industrial sectors and manufacturers reference.