A signal detection system based on the correlation detection technique is designed. And the configuration of the detection circuit is illustrated in detail.

介绍了相关检测技术的原理和优点，设计了基于相关检测技术的信号检测系统，并且详细介绍了信号检测电路的实现方法。

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We receive the laser pulse signal with the binary photo-electric detector, deal the signal with the circuit designed on the basis of correlation detection to improve SNR.

利用二元光电探测器接收激光脉冲信号 ，然后根据互相关检测的原理设计了相关处理电路对接收到的信号进行处理 ，使其信噪比 （SNR）得到改善。

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Techniques of dual receiving area detection and correlation detection were applied and realized in the improved circuit to alleviate or eliminate the interference.

本文应用双视场电子散斑干涉技术，实现了对被测对象表面的全场变形和局部微观场变形的同时实时检测。

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