A detection method for weak signal with coherence average is presented, and the principle of cross-correlation detection is introduced.
提出了采用相干平均法提高信号的信噪比并检测微弱信号的方法，介绍了相关检测的原理。
Also, the method of correlation detection is adopted to measure the weak signal in this measurement system.
以该方法为基础，具体分析了相关检测技术对于大口径微弱信号检测方法的适用性。
Using the optical chopper to modulate the detected light to make it related to the reference squarewave signal is a common method of locking phase detection of weak signals.
其中利用光学斩光器对被测光进行调制使其与方波参考信号相关是对微弱光信号进行锁相检测的一种常用方法。
Concerning the detection of weak signal in stronger noise background, a novel method was proposed in terms of stochastic resonance processing and by using the better de-noise feature of wavelet.
针对强噪声背景中的弱信号检测问题，在经典随机共振处理方法的基础上，利用小波良好的去噪特点，提出了随机共振加小波去噪检测弱信号的新方法。
Firstly, the chaotic state of weak signal detection method was proposed, based on the inverted sawtooth map model and symbolic dynamics description methods.
首先，基于混沌理论中的倒锯齿映射模型，以符号动力学为描述方法，设计了一种基于混沌状态的微弱电信号检测方法。
This paper inquires into detection method of micro weak signal in neural network, analyses principle of noise suppression, and gives out diagram and measurement results of neural network system.
探讨了神经网络的弱信号检测方法，定性分析了其噪声抑制的原理，给出了神经网络系统框图及实测结果。
In order to detect weak signals overwhelmed in noise, the method of signal detection is investigated using the principle of stochastic resonance.
针对淹没在噪声中的弱信号测量，利用随机共振技术进行了信号检测的研究。
In the paper, the proposed method effectively improves the output noise ratio of the weak signal detection, and increases the monopulse radar tracking range a lot.
本文提出的方法有效地提高了微弱信号检测输出的信噪比，大幅增加了单脉冲雷达的跟踪距离。
In the paper, the proposed method effectively improves the output noise ratio of the weak signal detection, and increases the monopulse radar tracking range a lot.
本文提出的方法有效地提高了微弱信号检测输出的信噪比，大幅增加了单脉冲雷达的跟踪距离。
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