PFM制光纤传输中继机的指标及测量

本文介绍一种传送一路彩色全电视信号的PFM制光纤传输中继机。在简要叙述中继机的工作原理后,还讨论了传输视频信号的性能指标及测量,测量结果证明,该机性能达到《电视节目短距离光缆传送技术要求》所规定的主要指标。

Spectrum for Pulse Frequency Modulation

This paper gives a spectrum expression which is simple and has a clear physical conception for pulse frequency modulation signal, and has been confirmed by an experiment simultaneously.