【笔记】《冲击弹性波理论与应用》[2-2] 振动信号分析
创始人
2024-11-15 09:36:09
0次
1.前级硬件滤波 - 降噪
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2.软件降噪
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2.1 移动平滑滤波
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2.1.1 移动平滑滤波的效果
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2.2 经验模态分解法
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2.1.1 效果
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3 信号分析
除了FFT,最大熵和小波变换现在也很流行。
3.1 最大熵
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3.1.1 与FFT的比对
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3.2 相关性分析
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3.2.1 自相关
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3.2.2 互相关
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3.3. 小波
非等周期信号
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3.3.1 小波变换的应用示例
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3.4 信号积分
这里介绍了积分去零点方法。
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3.5 信源衰减补偿
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4.数字成像
传感器阵列生成的EWR图
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