| 脉冲频率调制光纤电视传输系统 |
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| 引用本文： | 吴秀.脉冲频率调制光纤电视传输系统[J].光通信技术,1997(1). |
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| 作者姓名： | 吴秀 |
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| 作者单位： | 南京邮电学院设备处!南京，210003 |
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| 摘 要： | 脉冲频率调制（PFM）是利用光纤来传输电视信号的一种有效的调制方式。本文讨论了PFM信号的频谱分析和调制、解调的原理，介绍了PFM光纤电视传输系统的信噪比计算方法，还分析了PFM光纤电视传输系统的非线性失真。这些给正确设计PFM光纤电视传输系统及合理选择工作参数提供了依据。
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| 关 键 词： | 脉冲频率调制 光纤电视传输系统 信噪比 非线性失真 |
The Optical Fiber TV Transmisson System of Pluse Fequency Modulation |
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| Wu Xiu.The Optical Fiber TV Transmisson System of Pluse Fequency Modulation[J].Optical Communication Technology,1997(1). |
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| Authors: | Wu Xiu |
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| Abstract: | Pulse frequency modulation is a useful modulated method of used optical fiber transmission TV signal. This paper discusses the specmim analysis. and the principle of modulation and dimodulation of PFM signal. The computation method of signal noise rate of PFM optical fiber TV transmission system is introduced. And the non-linear distrotion of PFM optical fiber system is analysed. These provide in accordance with disign accurately PFM optical fiber communication system and rational select operation reference number. |
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| Keywords: | PFM Optical fiber TV transmission system Signal noise rate Non-linear distortion |
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