Vertical atmosphere refraction calculation was a difficult problem all along.
大气竖直折射是影响竖直角观测精度的关键因素之一。
Atmosphere Refraction, Troposphere Delay, Ionosphere Delay, Local Atmosphere Mode, Atmosphere Predictive Mode, Corrective Grid of Electron Content.
大气折射，对流层延迟，电离层延迟，局部大气模式，大气预报模式，电子含量格网改正。
Source in natural inspiration, smooth and beautiful, sweet refined household atmosphere refraction happen to relax, are relaxed, at will life main part.
源于自然的灵感，流畅而秀丽，温馨雅致的家居氛围，折射出休闲、轻松、随意的生活主体。
Static error mostly includes shafting error, coder error, time-lag error by TV sensor, measure distortion by optics structure and atmosphere refraction error etc.
静态误差主要有轴系误差、编码器误差、电视传感器本身存在的时间滞后误差、光学结构中可测量的失真以及大气折射误差等；
A new method of precise star back scanning for reducing the influence of atmosphere refraction on the measurement accuracy of optoelectronic instrument is presented.
由于蒙气差随着大气密度、温度和压力等条件的变化而变化，为降低蒙气差对光电测量设备测量精度的影响，提出了精密恒星回扫的新方法。
The refraction error of the atmosphere is one of the largest error sources in precise GPS measurement.
在精密GPS测量中，大气折射改正误差是最大的误差源之一。
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。
In view of the status quo, the author takes the lead in putting forward a method that can evaluate the atmosphere vertical refraction.
针对目前还不能从仪器的构造上自动消除折光影响，提出了一种求解大气折光改正系数的新思路。
It has been shown by studying the radar echo top heights that the abnormal refraction of the atmosphere can cause obvious errors in the radar measurements of height.
研究天气雷达测定回波顶高的几种误差表明：大气异常折射会引起回波顶高明显误差。
Atmospheric turbulence occurs with the variation of refraction index of atmosphere caused by random variation of atmospheric temperature and pressure.
大气湍流是由于大气温度、压强的随机变化引起大气折射率随机改变而产生的。
Atmosphere absorbs the electromagnetic wave so that the radar detection distance be reduced, and the atmospheric unusual refraction changes the radar detection distance too.
大气环境对电磁波的吸收衰减作用使雷达的作用距离减小，大气异常折射现象使雷达的作用距离增大或减小。
By measuring the refraction of this radio beam, we will be able to plot the temperature and density profile of Pluto's atmosphere from high altitude down to the surface.
借由测量无线电波的折射，我们可以描绘出冥王星大气层(从高空一直到表面)的温度与密度分布轮廓。
By measuring the refraction of this radio beam, we will be able to plot the temperature and density profile of Pluto's atmosphere from high altitude down to the surface.
借由测量无线电波的折射，我们可以描绘出冥王星大气层(从高空一直到表面)的温度与密度分布轮廓。
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