A chopper-stabilized long pulse integrator with low drift

NUCLEAR FUSION AND PLASMA PHYSICS ›› 2006, Vol. 26 ›› Issue (3): 246-251.

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A chopper-stabilized long pulse integrator with low drift

WEI Yong-qing1,2, XIE Ji-kang1, WAN Bao-nian1, SHEN biao1

(1. Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031; 2. Artillery Academe of PLA, Hefei 230031)

Received:2005-11-14 Revised:2006-02-17 Online:2006-09-15 Published:2012-01-20

斩波式低漂移长时间积分器

魏永清1,2, 谢纪康1, 万宝年1, 沈飙1

（1.中国科学院等离子体物理研究所, 合肥230031；2.解放军炮兵学院, 合肥230031）

作者简介:魏永清，男，汉族，中科院等离子体物理研究所托卡马克物理研究室博士研究生，主要从事等离子体磁测量系统中长时间、低漂移积分器领域的研究。
基金资助:
国家自然科学基金资助项目（10235010）

Abstract

Abstract:

A chopper-stabilized integrator for tokamak with a digital signal processing unit to dynamically suppress the primary drift factors of analog integrator, has been designed. Long pulse integrations with low drift have been obtained with this apparatus in experiments.

Key words: Integrator, Chopper-stabilized, Long pulse, Low drift

摘要：

通过对托卡马克中模拟积分器积分误差的分析，设计了一种由数字信号处理部件动态抑制这些误差的斩波式积分器，并在实验中获得了长时间、低漂移的积分效果。

关键词: 积分器, 斩波, 长时间, 低漂移

CLC Number:

TL62+9.1

WEI Yong-qing, XIE Ji-kang, WAN Bao-nian, SHEN Biao. A chopper-stabilized long pulse integrator with low drift[J]. NUCLEAR FUSION AND PLASMA PHYSICS, 2006, 26(3): 246-251.

魏永清1,2, 谢纪康1, 万宝年1, 沈飙1. 斩波式低漂移长时间积分器[J]. 核聚变与等离子体物理, 2006, 26(3): 246-251.

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A chopper-stabilized long pulse integrator with low drift

斩波式低漂移长时间积分器

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