19662019年黄河乌兰布和沙漠宽谷段河道深泓横向摆动特征
李永山, 贾晓鹏, 王海兵, 王建, 马启民

Talweg lateral shift characteristics in the Ulan Buh Desert Reach of the Yellow River from 1966 to 2019
Yongshan Li, Xiaopeng Jia, Haibing Wang, Jian Wang, Qimin Ma
图4 小波系数实部等值线图与小波方差图
Fig.4 Wavelet coefficient real part contour plot and wavelet variance plot