激光与光电子学进展, 2019, 56 (3): 031501, 网络出版: 2019-07-31
干扰控制K 均值序贯泛化二维地震信号去噪
Two-Dimensional Seismic Signal Denoising Based on Controlled Interference K -Means Sequential Generalized Algorithm
图 & 表
图 1. SGK和C-SGK对海洋地震信号去噪。(a)海洋地震信号;(b)加入随机噪声;(c) SGK去噪;(d) C-SGK去噪
Fig. 1. Denoising marine seismic signal with SGK and C-SGK. (a) Original signal; (b) adding random noise; (c) denoising with SGK; (d) denoising with C-SGK
图 4. SGK和C-SGK对陆地叠后地震信号去噪。(a)陆地叠后地震信号;(b)加入随机噪声;(c) SGK去噪;(d) C-SGK去噪
Fig. 4. Denoising marine seismic signal with SGK and C-SGK. (a)Original signal; (b) adding random noise; (c) denoising with SGK; (d) denoising with C-SGK
图 5. 基函数对比图。(a) SGK字典;(b) C-SGK字典
Fig. 5. Comparison of base functions. (a) SGK dictionary; (b) C-SGK dictionary
表 1不同算法对海洋地震信号去噪效果指标
Table1. Effect of different denoising methods to marine seismic signals
|
表 2不同算法对叠后陆地地震信号去噪效果指标
Table2. Effect of different denoising methods to marine seismic signals
|
冯振杰, 张欢, 张成. 干扰控制