On the basis of analyzing the basic features of impact signal noise from reactor loose parts, the wavelet nonlinear threshold value filtering method for the use of impact signal extraction is studied.

• 摘要在分析反应堆松动部件冲击信号噪声基本特徵基础上，利用小波非线性阈值滤波方法对冲击信号的提取进行了研究。