| ATM电路仿真设备中自适应时钟恢复算法的设计与实现 |
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| 引用本文： | 陈庆华,刘熹,徐子平.ATM电路仿真设备中自适应时钟恢复算法的设计与实现[J].计算机工程与应用,2002,38(22):182-183,197. |
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| 作者姓名： | 陈庆华 刘熹 徐子平 |
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| 作者单位： | 1. 解放军理工大学通信工程学院研究生二队,南京,210016
2. 解放军理工大学通信工程学院电信交换教研室,南京,210016 |
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| 摘 要： | ATM技术很好地解决了数据的透明传送问题,但定时信息在ATM网中的传递透明性由于统计复用而受到损害,而时钟同步是电路仿真业务的关键问题。文中介绍了自适应时钟恢复算法的背景,原理及其具体设计方案,提出了一种基于状态机的算法,对时钟捕捉的精确度作了理论分析,并给出来部分实验结果。
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| 关 键 词： | 电路仿真 自适应时钟恢复算法 状态机 定时信元 |
| 文章编号： | 1002-8331-(2002)22-0182-02 |
Design and Implementation of Adaptive Clock Recovery Algorithm in ATM CES Equipment |
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| Chen Qinghua,Liu Xi Xu Ziping.Design and Implementation of Adaptive Clock Recovery Algorithm in ATM CES Equipment[J].Computer Engineering and Applications,2002,38(22):182-183,197. |
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| Authors: | Chen Qinghua Liu Xi Xu Ziping |
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| Affiliation: | Chen Qinghua 1 Liu Xi 1 Xu Ziping 21 |
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| Abstract: | ATM supports transparent data transport,which brings distortion of timing information,while clock synchro-nization is the key point of ATM CES.This paper introduces the backgrounds of adaptive clock recovery algorithm,as well as its principle and detailed design,brings forward an implementation of the algorithm based on state machine,pro-vides theoretical analysis on the accuracy of the catched clock,and provides some experimental result. |
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| Keywords: | CES adaptive clock recovery algorithm state machine timing cell |
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