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小波包在蚕茧无损质量检测中的应用
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2009-08-13
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本文介绍了小波包在蚕茧无损质量检测中的应用。针对所处理的信号的特点合理的选
择小波函数，利用熵的准则对信号进行分解以及提取有用的信号，并计算各分解信号的小波能量来构造特征向量，最后将小波包的理论应用到蚕茧无损检测的质量识别中取得了较好的效果。
关键词：小波包；蚕茧检测；熵；小波能量
Abstract：The paper has introduced the application of Wavelet Packet in the in the non-destructive testing of the pod. In cording to the characteristic of the signal, we have introduced how to select the wavelet base, decomposed the useful signal by the rule of Shannon, and computed the Wavelet Packet energy to construct the eigenvector. At last we take the theory of Wavelet Packet into the application of non-destructive testing of the pod and get a good result.
Key words：Wavelet Packet；the testing of the pod；Shannon；the Wavelet Packet energy
择小波函数，利用熵的准则对信号进行分解以及提取有用的信号，并计算各分解信号的小波能量来构造特征向量，最后将小波包的理论应用到蚕茧无损检测的质量识别中取得了较好的效果。
关键词：小波包；蚕茧检测；熵；小波能量
Abstract：The paper has introduced the application of Wavelet Packet in the in the non-destructive testing of the pod. In cording to the characteristic of the signal, we have introduced how to select the wavelet base, decomposed the useful signal by the rule of Shannon, and computed the Wavelet Packet energy to construct the eigenvector. At last we take the theory of Wavelet Packet into the application of non-destructive testing of the pod and get a good result.
Key words：Wavelet Packet；the testing of the pod；Shannon；the Wavelet Packet energy
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