homomorphic filter 中文意思是什麼
homomorphic filter
解釋
同態濾波器- homomorphic : 同態的
- filter : n 1 濾器，濾紙，過濾用料[砂、炭等]。2 【無線電】濾波器；【物理學】濾光鏡，濾色器。vt 過濾，用過濾...
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Some methods for overcoming these disadvantages are investigated as follows : first, using shield and magnetic circuit to shorten the sensor length and enhance the signal magnitude ; second, improving the data acquisition system to intensify the capability of fine defect detection ; at last, adopting digital signal processing technology such as homomorphic filter, wavelet transform and error correction to ensure detecting reliability
本文結合有限元模擬和實驗方法，研究了改進遠場渦流技術性能的幾種方法，即：採用電磁屏蔽、磁路進行傳感器優化設計以縮短探頭長度、增大信號強度；改進信號調理電路以提高細微缺陷檢出能力；利用同態濾波、小波變換以及誤差修正等數字信號處理技術確保檢測結果的可靠性。
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