Last November, the occultation took place.
去年11月，掩星出现了。
Discuss the radio occultation technique in details.
详细描述了无线电掩星的基本技术原理。
There are an abundance of the lunar occultation records in ancient China.
我国古代有相当丰富的月掩星观测记录。
The radio occultation technique is a new way to explore the Earth's atmosphere.
无线电掩星技术是一种探测地球大气的崭新途径。
Progresses abroad and at home in GPS radio occultation technique are briefly introduced.
介绍了国外、国内GPS无线电掩星技术研究进展。
The computation with data of certain occultation event is done and the results are analyzed.
对特定掩星事件的数据进行了反演计算，并对计算结果进行了分析。
The noise occultation was significant, and the undertone was the easiest one to be occulted.
噪音对信号的掩蔽作用显著，其中低音最易被掩蔽。
The grazing occultation of the star by the Moon is observed in the zenith at the Earth's equator.
某星被月球的掩星现象出现在地球赤道的天顶上。
If LEO satellite orbit changes, then the GPS occultation events number and distribution will be different.
不同的LEO卫星，将使发生的掩星事件数量和分布有所差别。
If LEO satellite orbit changes, then the GPS occultation event's number and distribution will be different.
不同的LEO卫星，将使发生的掩星事件数量和分布有所差别。
As an extended technique of GNSS radio occultation (RO), the airborne RO sounding has attracted much wider attention.
作为星载掩星技术的推广，基于飞机平台的无线电掩星技术备受关注。
The theory and the procedure of inversion of Earth′s neutral atmospheric parameters with GPS occultation are briefly introduced.
介绍了利用GPS掩星反演地球中性大气参数的原理。
The main content includes the analysis of occultation installations, population evacuation route and the optimization of the network.
主要包括人防掩蔽工程分析、人口疏散路线分析及疏散网络的最优化分析。
The influence of the geography on the height of the occultation is analyzed using data observed by CHAMP occultation, and it is ve...
从CHAMP掩星观测结果分析，得到了地形对掩星观测高度有重要影响的新结论。
From lunar occultation experiments at infrared wavelengths it has been determined that the dust shell can be represented by two components.
通过红外波段的日掩星观测，已经确定该尘埃壳是由两个成分原组成。
The way of remote sensing of terrestrial atmospheric parameters using space borne GPS radio occultation technique is discusses in this paper.
探讨了空基无线电掩星技术应用于遥感地球大气参数方法，并将该方法编制成资料处理软件。
Radio occultation technique can provide the Earth's ionospheric and neutral atmosphere with high accuracy, high vertical resolution and global coverage.
无线电掩星技术能提供高精度、高垂直分辨率、全球覆盖的地球电离层和中性层大气剖面。
The height and the excess phase variations of the occultation caused by water vapor and the temperature variety in the atmosphere boundary layer are studied in details.
详细研究了大气边界层水汽和温度变化对掩星观测高度、相位时延的影响；
Under the assumptions of geometric optics and thin phase screen the retrieval algorithms of amplitude in GPS/LEO occultation technique were listed in this paper, respectively.
本文在几何光学和薄相位屏的假设下，分别介绍GPS/LEO无线电掩星反演地球大气技术中振幅反演的计算方法。
Because the Moon and bright planets wander through the sky near the ecliptic plane, such occultation events are not uncommon, but they are dramatic, especially in telescopic views.
因为月球和明亮的行星出现在天空中黄道平面附近，这种掩星事件也很平常，但是它们也很富有戏剧性，特别是在望远镜影像里。
LEO constellation composed of two or more satellites can improve the time and space resolution and increase the number of occultation events greatly compared with a single LEO satellite.
与单颗leo卫星相比，由多个卫星组成的LEO星座观测到的掩星事件在时空分辨率和数量上都有很大的提高。
A LEO constellation composed of two or more satellites can improve the time and space resolution and increase the number of occultation events greatly compared with a single LEO satellite.
与单颗leo卫星相比，由多个卫星组成的LEO星座观测到的掩星事件在时空分辨率和数量上都有很大的提高。
When the low-Earth orbit (LEO) satellite is low, the contribution of the Total Electron Contents (TEC) above the satellite is not neglectable for inversion of GPS-LEO ionospheric occultation.
电离层掩星观测中，当低轨卫星(LEO)轨道高度较低时，轨道以上的电离层电子总含量(TEC)对掩星反演的影响不能忽略。
When the low-Earth orbit (LEO) satellite is low, the contribution of the Total Electron Contents (TEC) above the satellite is not neglectable for inversion of GPS-LEO ionospheric occultation.
电离层掩星观测中，当低轨卫星(LEO)轨道高度较低时，轨道以上的电离层电子总含量(TEC)对掩星反演的影响不能忽略。
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