The method of modulus maximum value is used to deal with the acoustic signal. The feature which can reflect coal bunker level variation is extracted from the signal.
通过分析球磨机振动及声辐射特点,提出用声信号特征来监测煤位变化,并利用基于模极大值的小波去噪方法对磨煤机噪声进行处理,从声信号中识别和提取出能反映煤位高低变化的特征信息。
参考来源 - 采用智能方法对双进双出钢球磨煤机进行优化控制On the basis of de-noising,this thesis extracts the characteristic parameters of pulse wave using the method of combining the wavelet transform modulus maximum value and morphological operation,maximum value and minimum value.
在消噪的基础上,利用小波变换模极大值和形态学运算相结合的方法提取光电容积脉搏波的特征参数:极大值和极小值。
参考来源 - 基于脉搏波的血氧饱和度检测算法的研究·2,447,543篇论文数据,部分数据来源于NoteExpress
Although traditional processing method of modulus maximum array can retain characteristics of signal, the signal after de-noising exists thorns and slight oscillation at singularity point.
传统的模极大值序列处理方法虽然可以保留信号特征,但降噪后的信号在奇异点有毛刺和轻微的振荡。
Based on the principle of modulus maximum, a new approach using scalogram of wavelet transform for transient signal, under noise free condition or noise condition separately, is described.
利用小波变换模极大值原理,提出了用小波变换尺度谱检测瞬态信号波至点的新方法,研究了其检测无噪声和有噪声条件下的瞬态信号的能力。
When decrypting the maximum length of the cipher text is the length of the modulus in bytes.
当解密的密文的最大长度是在字节模长度。
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