| 采集系统中光电信号调理电路的噪声分析 |
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| 引用本文： | 肖庆亮,杨德伟,张朝阳,冯秀娟.采集系统中光电信号调理电路的噪声分析[J].数据采集与处理,2009,24(Z1). |
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| 作者姓名： | 肖庆亮 杨德伟 张朝阳 冯秀娟 |
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| 作者单位： | 北京航空航天大学仪器科学与光电工程学院,北京,100191 |
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| 摘 要： | 在用数据采集卡对传感器输出信号进行采集的过程中,往往需要先对传感器输出的信号进行放大、滤波、A/D转换等一系列信号调理过程.信号调理电路的噪声直接影响整个检测电路的检测水平,为此,根据光纤电压互感器中光电信号检测的实例,说明了信号调理电路的噪声分析与抑制措施,为以后信号检测精度的提高提供了依据.
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| 关 键 词： | 数据采集 调理电路 噪声 |
Noise Analysis of Optic-Electrical Signal Conditioning Circuit in Acquisition System |
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| Abstract: | In the process of trancducer data acquisition using acquisition card,it often needs a series of signal conditioning,such as amplification,filtering and A/D conversion.The noise of the signal conditioning circuit will affect the testing level in the whole circuit.Therefore,taking an example of optic-electrical signal detection in optical voltage transducer(OVT)signal conditioning circuit is analyzed and the noise suppression measures are presented.It provides a basis for the future improvement of the accuracy of the signal detection. |
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| Keywords: | data acquisition conditioning circuit noise |
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