After studying on the theory of weak signal detection and noise restraint methods, a lock-in amplify detecting circuit was designed, which utilized cross-correlation technology.
本文通过对微弱信号检测理论以及噪声抑制的相关方法的研究,利用互相关检测技术设计锁相放大电路,以代替锁相放大仪实现传声器输出信号的检测及处理。
参考来源 - 基于光声光谱理论的变压器DGA技术的研究·2,447,543篇论文数据,部分数据来源于NoteExpress
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