Especially to threshold de-noising, a method based on orthogonal wavelet analysis and self-adaptive learning algorithm was proposed here.
特别是对阈值去噪方法，提出了一种基于正交小波变换和自适应学习算法的噪声抑制方法。
According to the characteristics of ignition and explosion signals, a system for detecting the artillerys explosion time based on self-adaptive threshold is developed.
针对炮弹炸点光信号的强度与频谱特性，设计了一种基于自适应阈值的炸点时间测量系统。
Then extract the crack area on the self-adaptive threshold.
然后基于自适应域值法提取裂缝区域。
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