direct wave
英 [dəˈrekt weɪv]
美 [dəˈrekt weɪv]
直接波；直射波
双语例句
- Tomographic inversion of first break using direct wave, diving wave, refraction wave and combination of the three has the advantage of having vertical and lateral variable velocity and is suitable for inversion in complex surface model that the velocity can vary arbitrarily.
它利用地震直达波、辶回折波、折射波以及三者组合的初至波和层析反演方法具有的纵、横向变速优势，实现适应速度任意变化的复杂表层模型反演。 - This method is greatly increased in the high-intensity direct wave interference under active sonar echo extraction accuracy.
该方法极大地提高了在高强度直达波干扰下主动声呐提取目标回波的精度。 - 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。 - In addition, the removal of direct wave in shallow layer underground acoustic signal and PGPR echo is studied.
同时，从浅层地声直达波去除原理出发，本文对相控阵探地雷达回波中直达波的去除作了仔细的分析研究。 - Therefore, the energy of direct wave is pumped by the multiple forward scattering process between S wave and scatters, and the pumped energy is transferred to the coda wave part, which form the high frequency S coda wave.
这意味着：S波在传播介质中与散射体的多次前散射作用，抽取了直达波的能量转移至尾波段，从而促成了高频S尾波的形成。 - 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。 - The notion of ultra-thin layer has been introduced into this paper during modeling and the refraction wave is taken into consideration for simulation on the premise of existing simulation for direct wave, transmission wave and reflection wave.
本文在模型建立上引入了超薄层概念，并在前人模拟的直达波、透射波、反射波基础上模拟了折射波，使正演模拟的多波场信息更丰富。 - The accurate formula of time-distance curve is used to develop theoretical common shotpoint gather, which includes direct wave, shallow refracted wave, reflected waves and refracted waves in layered medium.
文中按照精确的时距曲线公式建立了具有多个反射层的共炮点理论记录，包括直达波、浅层折射波，各层的反射波及折射波。 - Simultaneously, aiming to the characteristic of parabolic type of direct wave, parabolic Radon transform is researched mainly. Through researches and experiments repeatedly on each parameter, suppression on other wave field type is realized, and direct wave field is separated better.
同时，针对微地震直达波抛物形态的特征，重点研究了抛物Radon变换，通过对各个参数的研究和反复试验，实现了对其他类型波场的压制，较好地分离出了直达波场。 - First the real VSP data should be preceded wave field separation and the direct wave should be extracted. Then this paper chose a proper algorithm of Q value inversion.
首先对实际的VSP资料进行了波场分离并提取了直达波，然后选用了合适的算法进行了Q值的反演工作。