基于广义S变换的透射槽波埃里相识别

陈波, 朱国维, 武延辉, 杨振强, 周俊杰

Research on identifying the airy phase of transmitted channel waves based on generalized S-transform

CHEN Bo, ZHU Guo-Wei, WU Yan-Hui, YANG Zhen-Qiang, ZHOU Jun-Jie

图5 合成Love槽波数据中加入随机噪声后S变换和广义S变换(A=0.4239,B=0.471)提取频散曲线对比分析 a—图3a加入随机噪声后的Love型槽波记录;b—图5a中第30道槽波记录;c—图5b数据S变换提取的频散曲线;d—图5b数据广义S变换提取的频散曲线

Fig.5 Comparison of the dispersion curve extracted by S-transform and generalized S-transform (A=0.4239,B=0.471) for synthetic Love channel waves with adding random noise a—synthetic Love channel waves with adding random noise to Fig. 3a;b—the 30th channel wave in Fig. 5a;c—dispersion curve of Fig. 5b extracted by S-transform;d—dispersion curve of Fig. 5b extracted by generalized S-transform