The refraction effect of light-wave when it propagates in atmosphere brings refraction error to optic radar's measurement.
由于大气对光波传播引起的折射效应，使得光学雷达测量中产生折射误差。
The radio wave refraction correction for improving the accuracy of GPS navigation and location is necessary.
因此要提高GPS的定位导航精度，就必须进行电波折射修正。
Refraction is the change in direction of a wave due to a change in its speed.
折射是一种改变波的方向，因为它改变了它的速度。
The surface wave is treated as interference wave in oil seismic prospecting, however, the Rayleigh wave, like the refraction and reflection waves, contains the information of underground medium.
在石油地震勘探中，面波一般是作为干扰波处理的，然而，瑞利面波也和折射波、反射波一样包含有地下介质的信息。
In this paper, the combined effect of wave refraction and diffraction, and the variation of longshore wave breaker height are considered.
文中还考虑了波浪折射、绕射的综合影响，以及沿岸波高不等引起的沿岸输沙率变化。
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。
The influence pattern of deep water channels upon wave propagation is studied by REF/DIF model, which combined refraction and diffraction effects together.
本研究是把折射和绕射的相关影响结合起来考虑的复合折射-绕射模型REF/DIF 模型应用于深水航道对波浪传播的影响规律的研究。
This paper proposes a formula fitting method for realtime correction of radio wave refraction errors for fast determination of the refraction error and improvement of radio instrumentation accuracy.
本文给出了电波折射误差实时修正的公式拟合方法，该方法在实际应用中能够快速得到折射误差，从而提高了雷达测量精度。
The radio wave refraction correction for improving the accuracy of radio location in necessary.
因此要提高无线电定位的精度，就必须进行电波折射修正。
For the two-dimensional horizontal wave propagation problem, refraction and diffraction of waves must be taken into account.
对于平面二维波浪传播的问题，则需要考虑波浪的折射、绕射。
The radio wave propagation velocity is slowed and the ray producing bend but to the asymmetry of the atmospheric medium, the refraction error is produced.
由于空中大气介质的不均匀性使得电波传播速度减慢射线产生弯曲，从而产生折射误差。
The refraction error is produced. The radio wave refraction correction for improving the accuracy of GPS navigation and location is necessary.
因此要提高GPS的定位导航精度，就必须进行电波折射误差修正。
When sound wave propagates in air whose temperature changes with altitude, refraction of air happens. Sound will move towards areas with lower temperatures.
当声波在温度随高度改变的空气中传播时，便会发生折射现象，声波会向著气温较低的地方走。
In this paper, the effects of critical electron density of plasma and the plasma frequency of electron on the refraction, absorption and reflection of the electromagnetic wave are studied.
着重研究了等离子体临界电子密度、电子等离子体频率等参数对电磁波的折射、吸收、反射的影响。
This paper describes the application of shallow seismic refraction wave method to the exploration of foundation for railway Bridges.
介绍了浅层地震折射波法在铁路桥基础勘查中的应用。
The reflection and refraction of traveling wave are quite complicated at the sheath-crossing point of high voltage power cable, due to its remarkably noncontinuous surge impedance.
高压电缆的金属护套交叉互联导致行波在多个波阻抗不连续点产生了复杂的折反射行为，这对高压电缆线路的行波故障测距产生很大的影响。
From the Angle of wave motion optics, on the principle of Huyghens, explaining the light of refraction. Simplifying the picture of the light of refraction and then getting a simple drawing method.
从波动光学的角度，用惠更斯原理解释了光的折射现象，根据惠更斯原理所作的折射光线进行简化，得出较为简单的作图方法。
Through analyses of found problems in traditional static correction used in complicated areas, put forward a refraction wave vertical dissection method to carry out the statics.
通过分析在复杂地区使用常规静校正处理方法所暴露的问题，提出采用折射波垂直剖分法对地震资料进行静校正。
The fast two-step method of radio wave refraction correction is proposed in this paper. The simulation demonstrates the method meets the requirement of accuracy and speed in project entirely.
如何在确保实时计算速度基础上 ，又能提高其处理精度 ，正是文章构造出的快速折射修正二步方法所解决的课题。
The fast two-step method of radio wave refraction correction is proposed in this paper. The simulation demonstrates the method meets the requirement of accuracy and speed in project entirely.
如何在确保实时计算速度基础上 ，又能提高其处理精度 ，正是文章构造出的快速折射修正二步方法所解决的课题。
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