| 先常规后反向电压补偿式双积分A/D转换的研究 |
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| 引用本文： | 宋蕴兴,宋志卿,畅卫功. 先常规后反向电压补偿式双积分A/D转换的研究[J]. 天津科技大学学报, 2004, 19(3): 42-45 |
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| 作者姓名： | 宋蕴兴 宋志卿 畅卫功 |
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| 作者单位： | 天津科技大学,计算机科学与信息工程学院,天津,300222 |
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| 摘 要： | 介绍了常规双积分A／D转换的原理及特点。为了克服基准参考电压稳定性对转换精度的影响，针对桥式电阻电路、在不需要基准参考电压的情况下．采用先常规后反向电压补偿的方法、实现了双积分A／D转换。重点说明了反向补偿电压的产生，补偿电阻与输入电压以，的关系，先常规后反向电压补偿双积分A／D转换的工作过程和原理：
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| 关 键 词： | 桥式电路 电压补偿 双积分A／D转换器 |
| 文章编号： | 1672-6510(2004)03-0042-04 |
| 修稿时间： | 2004-01-06 |
STUDY OF DOUBLE INTEGRAL A/D CONVERSION FOR FIRST ROUTINE THEN BACKWARD VOLTAGE COMPENSATION |
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| SONG Yun-xing,SONG Zhi-qing,CHANG Wei-gong. STUDY OF DOUBLE INTEGRAL A/D CONVERSION FOR FIRST ROUTINE THEN BACKWARD VOLTAGE COMPENSATION[J]. Journal of Tianjin University of Science & Technology, 2004, 19(3): 42-45 |
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| Authors: | SONG Yun-xing SONG Zhi-qing CHANG Wei-gong |
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| Abstract: | Introduced the principle and feature of the double integral A/D conversion. For overcoming the voltage reference stability to influence the converting accuracy, based on the bridged resistance circuit, without the voltage reference, realized double integral A/D conversion that used the method of first routine then backward voltage compensation. Put great emphasis on explaining the forming of opposing voltage, the relation of the compensating resistance and the input voltage,the work process and principle of first routine then backward voltage compensation double integral A/D conversion. |
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| Keywords: | bridged circuit voltage compensating double integral calculus A/D converting |
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