小波变换和自适应噪声抵消在闭合裂纹超声检测中的应用

[1] Structure noise reduction of ultrasonic signals using artificial neural network adaptive filtering [J]. ULTRASONICS, 1997, 35 (04) : 325 - 328

[2] Detection of transients using discretewavelet transform. Petropulu A P. IEEE SP Proceedings . 1992

[1] Structure noise reduction of ultrasonic signals using artificial neural network adaptive filtering [J]. ULTRASONICS, 1997, 35 (04) : 325 - 328

[2] Detection of transients using discretewavelet transform. Petropulu A P. IEEE SP Proceedings . 1992