提出了应用差动放大理论和灵敏度不同的传感器来完成强噪声环境下微弱声信号提取的方法。
A method of sound detection under strong noise conditions is advanced applying the theory of differential amplifier and utilizing transducers having different sensitivities.
其次，通过介绍经典拷贝相关，混沌振子检测理论，对于强噪声背景下的有效信号检测做了一定研究。
Then, through introducing the theory of the classical copy-correlation and chaos signal detection, some research have been done for the efficient signal detection with strong noise at the background.
基于混沌理论构建的信号检测系统具有敏感微弱周期信号和对噪声有强免疫力的特点，用于微弱信号检测领域优势明显。
Signal detection system based on chaos theory has the critical sensitivity to periodic signal and the immunity to the strong noise, which can be used in weak signal detection area.
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