Angle Modulation Limits of a Noisy Frequency Demodulation Phase Lock Loop

Zheng Ji-ye

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Angle Modulation Limits of a Noisy Frequency Demodulation Phase Lock Loop

更新时间：2025-12-08

- Angle Modulation Limits of a Noisy Frequency Demodulation Phase Lock Loop
- Acta Electronica Sinica Issue 4, Pages: 85-89(1982)
- 作者机构：
  
  1. 桂林电子工业学院
  2. 西北电讯工程学院
- 作者简介：
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- DOI：
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- Published：1982
- 稿件说明：
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[1]郑继禹,张厥盛,万心平.有噪FM解调锁相环路的角调制界限[J].电子学报,1982(04):85-89.

Zheng Ji-ye. Angle Modulation Limits of a Noisy Frequency Demodulation Phase Lock Loop[J]. Acta Electronica Sinica, 1982, (4): 85-89.
[1]郑继禹,张厥盛,万心平.有噪FM解调锁相环路的角调制界限[J].电子学报,1982(04):85-89. DOI：

Zheng Ji-ye. Angle Modulation Limits of a Noisy Frequency Demodulation Phase Lock Loop[J]. Acta Electronica Sinica, 1982, (4): 85-89. DOI：

摘要

文献[1]根据实验结果导出了无噪FM解调环路的频偏界限公式。本文则运用Booton准线性方法获得了有噪FM解调环路频偏界限的通用表达式

在无噪情况下由此得出的结果与文献[1]的实验结果一致。

Abstract

The relation between the loop phase error of a PLL demodulator and the angle modulation on an input signal with noise present has been developed by adopting the Booton quasi-linearization method

the out-of-lock threshold in the sense of statistics being obtained. With a given operating threshold it is possible to get a general expression for the angle modulation limits of a noisy PLL. Applying the general expression to the noise-free case gives the results which are in agreement with the experimental ones presented in literature[1].

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