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- This paper uses the Quadratic/Linear Traveltime Interpolation (QLTI) ray tracing method to get the traveltime of the headwave including direct wave, reflection wave, and refraction wave. 采用旅行时线性/二次联合插值射线追踪算法(QLTI算法)对包括直达波、折射波、透射波在内的多种射线进行追踪,得到井间层析成像的旅行时,它的突出优点是精度高。
- preliminary refraction wave statics 覆盖次数
- The Critical Refraction Wave Arrival Model for Acoustic Headwave 声波测井中首波的临界折射波至模型
- The newmethod needs no first break times of refraction waves,but derives adjacent receiving-point relative time shifts from crosscorrelation of adjacent-trace refraction wavegroups. 该法不需要拾取折射波初至时间,而是利用折射波组相邻道互相关求取各检波点的相对时差,再以中值滤波方法选取中值,作为两检波点的时差。
- From Hales method, reversed refracted wave method shows accuracy and efficiency in detecting the thickness of remained coal seam. 以哈尔斯法为例,将相遇折射波法用于剩余煤厚探测中,具有精确、高效、快速的特点。
- Also, any negatively refracted wave would be rapidly smeared out in only a few wavelengths by dispersion, which Valanju maintains will always be a major problem in a negative index material. 此外,负折射波将在几个波长内因色散而快速衰减,瓦蓝朱认为这将是负折射率材料最大的问题。
- Bill wave his hand to us and then drive away. 比尔向我们挥手告别后开车走了。
- Radio2 can be heard on the long wave band. 第二广播电台可在长波段收听到。
- I am able to pick you up on the short wave radio. 我能用短波收音机收听到你的信号。
- A wave broke across the surface of the pool. 一个波浪从池水表面掠过。
- I was able to pick you up on the short wave radio. 我能用短波收音机收听到你的信号。
- The tidal wave formed a terrifying wall of water. 海啸形成一堵骇人的水墙。
- See if you can wave down a taxi. 你挥手,看看能否让出租车停下。
- The boat was swamped with a huge wave. 一个巨浪淹没了那条船。
- On the smooth wave in trembling beauty sleep. 在微浪的美妙颤抖中缓缓合目。
- She has a natural wave in her hair. 她的头发自然卷曲。
- A huge wave swept over the deck. 一股巨浪从甲板上卷了过去。
- The study of the refraction of light. 屈光学研究光的折射
- Do you agree to the wave theory of light? 你同意光的波动理论吗?
- Know anything about the third wave? 知道“第三次浪潮”吗?