... 噪声抑制电话机 noise suppression telephone 噪声中信号的检测 detection of signal in noise 增量频移 incremental frequence shift ...
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The detection of fuze signal in strong background noise is an important topic in fuze signal process.
强背景噪声中引信信号的检测，是引信信号处理中的一个重要课题。
However, recent research has shown that addition of an appropriate amount of noise can actually improve signal detection in a nonlinear system, an effect called stochastic resonance.
然而最近的研究发现，在非线性系统中加入适当的噪声实际上可以提高信号的察觉，就是所谓的随机共振。
Three methods for analyzing and processing the laser scattering signal of bubbles in water, the threshold detection, noise elimination processing and power spectral estimation, are put forward.
提出了阈值检测、降噪处理和功率谱估计三种分析和处理水中气泡激光散射信号的方法。
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