一种集成经验模态分解的样本熵阈值微地震信号降噪方法
A denoising method for microseismic signal based on the ensemble empirical mode decomposition of sample entropy threshold
一种集成经验模态分解的样本熵阈值微地震信号降噪方法 |
| 王亚娟, 李怀良, 庹先国, 沈统 |
|
A denoising method for microseismic signal based on the ensemble empirical mode decomposition of sample entropy threshold |
| Ya-Juan WANG, Huai-Liang LI, Xian-Guo TUO, Tong SHEN |
| 图1 强噪声微地震信号的EEMD分解结果(信噪比为-5 dB,微地震信号主频为120 Hz,采样间隔为6 KHz) |
| Fig.1 The EEMD decomposition result of microseismic signals containing high-noise (The signal to noise ratio is -5 db, the frequency of microseismic signal is 120 Hz, and the sampling interval is 6 KHz) |
|
|