双树复小波变换在川藏铁路拉林段某隧道超前地质预报中的应用

杨丹, 李伟, 魏永梁, 宋斌

Application of dual-tree complex wavelet transform in advanced geological prediction of the tunnel section in Lalin of Sichuan-Tibet Railway

YANG Dan, LI Wei, WEI Yong-Liang, SONG Bin

图4 双树复小波去噪流程示意

Fig.4 Schematic diagram of dual-tree complex wavelet denoising process