Timing Characteristics Analysis of SDH Equipment Slave Clocks

Wu Sanming; Mao Qian

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Timing Characteristics Analysis of SDH Equipment Slave Clocks

- Timing Characteristics Analysis of SDH Equipment Slave Clocks
- Study on Optical communication Issue 3, (1996)
- 作者机构：
  
  武汉邮电科学研究院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN919.34
- Published：1996，
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[1]吴三明,毛谦.适合于SDH设备的从钟的定时特性分析[J].光通信研究,1996(03):3-9.

Wu Sanming, Mao Qian. Timing Characteristics Analysis of SDH Equipment Slave Clocks. [J]. (3).(1996)
[1]吴三明,毛谦.适合于SDH设备的从钟的定时特性分析[J].光通信研究,1996(03):3-9. DOI：

Wu Sanming, Mao Qian. Timing Characteristics Analysis of SDH Equipment Slave Clocks. [J]. (3).(1996) DOI：

摘要

适合于ＳＤＨ设备的从钟，是ＳＤＨ网络所特有的从时钟。文中对Ｇ．８１３从钟的定时特性作了详尽分析。首先，介绍了定时信号的数学模型，然后给出了表征频率和时间稳定性参数的定义和性质，并对其进行了时域和频域分析。在此基础上建立了Ｇ．８１３从钟的噪声模型。最后对ＩＴＵ－Ｔ建议Ｇ．８１３给出的定时特性规范中所存在的若干问题进行了讨论，提出了自己的见解。

Abstract

The slave clock adapted to SDH equipments

as well as the G. 813clock

is the special clock of SDH network. This article analyses the timing characteristics of the G. 813 clock in detail. Firstly

the paper introduces the mathematical model of timing singal. The definition and characteristics of parameters which indicate the stability of frequency and time are given. And the analysis in frequency and time domain is made. Based on these

the noise model of G. 813 clock is built. Finally

the several questions about timing charateristic standard given in ITU-T Rec. G. 813 are discussed. The unique opinions are given.

关键词

G．813时钟TDEVADEVMDEV

Keywords

G. 813 clockTDEVADEVMDEV

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