正交偶极子阵列声波测井仪中前端信号采集和处理单元大量使用了VCVS有源滤波器。

VCVS active filters are greatly used in front signal acquisition and processing unit of the Cross Multipole Array Acousticlog tool.

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论文叙述了系统总体方案，偶极子阵列声波信号数据采集与处理模块的设计与实现。

This paper has discussed the scheme of the system, the design and realization of the data acquisition and processing module.

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介绍了本课题中采用的电子鼻硬件系统的三个组成部分――传感器阵列、信号调理电路和数据采集卡。

Then the three key parts of electronic nose: sensors array, signal amplification circuit and AD board are also introduced.

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