direct wave 直接波 ; [地震] 直达波 ; 正向行波
direct wave trap 直接陷波
direct wave method 直达波法
direct-wave jamming 直达波干扰
direct wave removal 直达波去除
surface direct wave 表层直达波
direct wave reduction 直达波衰减
suppressing direct wave 直达波干扰滤除
direct wave propagation 直达波传播
In all the noise, the direct wave, multiple wave, seriously interferes with the seismic signal resolution.
在地震信号的各种噪声中,直达波,多次波等各种干扰波与信号叠加在一起,严重干扰了地震信号的分辨率。
参考来源 - 曲波变换在地震信号去噪中的应用·2,447,543篇论文数据，部分数据来源于NoteExpress
The used seismic data are prestack data:therefore, this method considers the energies of direct wave, refraction wave and multiple wave.
因所用资料是叠前资料，所以该方法考虑了直达波、折射波和多次波能量。
And the velocity of slow compressional-wave (P-wave) is in direct proportion to the porosity and the density of fluid.
而慢纵波的速度则和孔隙度和流体的密度成正比。
The voltage in the signal varies in direct proportion to the sound wave.
信号中的电压按声波比例变化。
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