| 载人航天器浮地信号采集接口电路研究 |
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| 引用本文： | 王林涛.载人航天器浮地信号采集接口电路研究[J].航天器环境工程,2011,28(6):545-550. |
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| 作者姓名： | 王林涛 |
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| 作者单位： | 1.中国空间技术研究院 载人航天总体部 |
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| 摘 要： | 载人航天器设置双端模拟信号采集通道实现对模拟量信号的差分采集。其优势是避免信号的共模噪声干扰，提高信号采集的准确性。文章对于载人航天器的模拟量差分采集电路进行了简要介绍，结合实际应用过程中并网控制器模拟信号采集出现的特殊现象，提出了信号采集的接口约束条件，保证了模拟量采集电路的安全性。
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| 关 键 词： | 载人航天器 浮地信号 接口电路 信号采集 |
| 收稿时间： | 2011/10/25 0:00:00 |
| 修稿时间： | 2011/11/22 0:00:00 |
Interface circuit for float grounding signal acquisition in manned spacecraft |
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| Wang Lintao.Interface circuit for float grounding signal acquisition in manned spacecraft[J].Spacecraft Environment Engineering,2011,28(6):545-550. |
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| Authors: | Wang Lintao |
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| Institution: | 1. Beijing Institute of Manned Space System Engineering, China Academy of Space Technology |
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| Abstract: | A dual-end analog signal acquisition channel is used in manned spacecraft to carry out the differential signal acquisition and to avoid the common mode interference.This paper discusses the acquisition circuit of manned spacecraft,and the special phenomenon due to the parallel power connection.Finally,the constraint conditions of signal acquisition are established to ensure the safety of analog signal acquisition circuit. |
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| Keywords: | manned spacecraft float grounding signal interface circuit signal acquisition |
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