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3 双树复小波逆变换
Fig.3 Inverse transform of dual-tree complex wavelet