摘要
介绍了脉冲频率调制(ＰＦＭ)光纤视、音频传输系统的原理并对关键功能电路模块作简要分析。该系统硬件集成度高,无中继传输距离长,性能价格比高,具有广阔的市场前景。
This paper introduces the principle of PFM optical fiber video & audio transmission system and simply analyzes the main function circuit modules.The system possesses high integrated level, long distance transmission without repeater and high price performance ratio. It has vast market prospect.
出处
《光电子技术与信息》
2002年第3期18-22,共5页
Optoelectronic Technology & Information
关键词
脉冲频率调制
方波调频(SWFM)
倍频
pulse frequency modulation(PFM), squarewave frequency modulation(SWFM), double frequency
