Probed into the two factors of the signal de-noising effect basing on the wavelet transform basing on the analysis of the theory and methods of the wavelet transform: wavelet function and threshold.
在分析小波变换消噪原理和方法的基础上，研究了影响小波变换消噪效果的两个主要因素：小波基函数和阀值。
This paper research on SAR de-noises and target recognition with PCNN. Results were reached in this paper about adoption of PCNN in the de-noise and recognition of SAR image through tests.
本文主要研究PCNN在SAR降噪和目标特征提取过程中的应用，通过对比PCNN方法和现有方法的实验效果确定PCNN在SAR目标识别过程的适用性。
Now there are some methods of MOA testing such as regularly de-energized testing, energized testing and on-line monitoring.
目前，检测避雷器的方法主要有周期性停电预试、带电测试和在线监测等。
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