Self-adaptive prognostication of regenerating E4 clock in SDH

XIONG Gui-lan; WANG Long-shui

doi:10.13756/j.gtxyj.2005.02.002

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Self-adaptive prognostication of regenerating E4 clock in SDH

- Self-adaptive prognostication of regenerating E4 clock in SDH
- Study on Optical communication Issue 2, Pages: 5-7(2005)
- 作者机构：
  
  1. 武汉邮电科学研究院
  2. 武汉邮电科学研究院湖北武汉　430074
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2005.02.002
  CLC： TN914.332
- Published：2005，
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[1]熊桂兰,王龙水.SDH中恢复四次群时钟的自适应预测法[J].光通信研究,2005(02):5-7+17.

XIONG Gui-lan, WANG Long-shui. Self-adaptive prognostication of regenerating E4 clock in SDH. [J]. (2):5-7(2005)
[1]熊桂兰,王龙水.SDH中恢复四次群时钟的自适应预测法[J].光通信研究,2005(02):5-7+17. DOI： 10.13756/j.gtxyj.2005.02.002.

XIONG Gui-lan, WANG Long-shui. Self-adaptive prognostication of regenerating E4 clock in SDH. [J]. (2):5-7(2005) DOI： 10.13756/j.gtxyj.2005.02.002.

摘要

同步数字系列（SDH）中的指针调整引入了8bit或24bit的大幅度抖动

为了处理这一抖动

提出了一种数字化处理方法———自适应预测法

可以作为预处理方法应用于SDH中的四次群时钟恢复。文章主要以从STM 1中恢复四次群信号为例

对该方法的应用做详细介绍

并对其性能进行分析。

Abstract

Pointer adjustments bring 8 bit

or even 24 bit jitter in synchronous digital hierarhy （SDH）. In order to smooth the jitter

this paper presents a digital processing method

self-adaptive prognostication method

which can be applied as a preliminary processing method to regenerate the fourth order （E4） clock in SDH. This paper uses the example of regenerating the fourth order （E4） signal from STM-1 to introduce in detail the application of this method and its performances.

关键词

同步数字系列指针调整码速调整抖动自适应预测

Keywords

SDHpointer adjustmentjustificationjitterself-adaptive prognostication

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