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矢量水听器信号调理电路设计

更新时间:2020-09-14 11:41:57 大小:520K 上传用户:xiaohei1810查看TA发布的资源 标签:信号调理 下载积分:2分 评价赚积分 (如何评价?) 打赏 收藏 评论(0) 举报

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以ICP压电加速度计和压电陶瓷圆环声强计为敏感元件的三维同振式矢量水听器需要恒流源激励,且输出信号微弱,不能直接长距离传输。为解决这个问题,论文研究设计了一种矢量水听器信号调理电路,主要包括恒流源、一阶RC高通滤波器、仪用放大器和二阶巴特沃斯低通滤波器。制作了测试电路,并进行了性能测试。测试结果表明该信号调理电路能够实现对矢量水听器进行恒流源激励,对原始信号进行放大、滤波等功能,满足矢量水听器的使用需求。

The three-dimensional vibration vector hydrophone which use ICP piezoelectric accelerometer and piezoelectric ceramic ring sound intensity meter as the sensitive element need constant current source as power its output signal is weak,which can not be transmitted at long order to solve this problem,a kind of signal preconditioning circuit for vector hydrophone is designed in this paper,which contains constant-current source,one order RC high pass filter(HPF),instrument amplifier and two order Butterworth low pass filter(LPF).Then the test circuit is fabricated and the performance test is carried test results show that the vector hydrophone can be powered and its original signal can be amplified and filtered b...

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矢量水听器信号调理电路设计.pdf 520K

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