• 不过这个特殊夜晚,中美洲南美洲的看到月天象,月球曰从某些前面经过

    Still, during this particular night, skygazers in South and Central America could even watch the 5 day old Moon occult or pass in front of some of the brighter Pleiades stars.

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  • leo相比多个组成LEO观测到的事件时空分辨率数量上都有很大提高

    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.

    youdao

  • 后来那些揭示了冥王出人意料的大气层后,上了这方面的研究。

    But after those stellar occultations revealed its unexpected atmosphere, I was hooked on Pluto atmosphere research.

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  • 月球现象出现地球赤道天顶

    The grazing occultation of the star by the Moon is observed in the zenith at the Earth's equator.

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  • 当时,人们用望远镜观察冥王更远(称为)时发现冥王存在甲烷大气层而且可能正在快速宇宙空间流失。

    That's when telescope observations of distant stars going behind Pluto (known as stellar occultations) showed that it had a methane atmosphere, probably rapidly evaporating to space.

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  • 因为月球明亮出现天空黄道平面附近这种掩星事件也很平常但是它们富有戏剧性特别是望远镜影像里。

    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.

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  • 无线电掩星技术提供高精度垂直分辨率全球覆盖地球电离层中性大气剖面。

    Radio occultation technique can provide the Earth's ionospheric and neutral atmosphere with high accuracy, high vertical resolution and global coverage.

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  • 不同的LEO使发生的事件数量分布有所差别。

    If LEO satellite orbit changes, then the GPS occultation events number and distribution will be different.

    youdao

  • 无线电掩星技术一种探测地球大气崭新途径

    The radio occultation technique is a new way to explore the Earth's atmosphere.

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  • 特定掩星事件数据进行了反演计算对计算结果进行了分析。

    The computation with data of certain occultation event is done and the results are analyzed.

    youdao

  • 本文几何光学相位假设分别介绍GPS/LEO无线电掩星反演地球大气技术振幅反演的计算方法。

    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.

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  • 我国古代相当丰富掩星观测记录

    There are an abundance of the lunar occultation records in ancient China.

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  • 探讨了无线电掩星技术应用遥感地球大气参数方法方法编制成资料处理软件。

    The way of remote sensing of terrestrial atmospheric parameters using space borne GPS radio occultation technique is discusses in this paper.

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  • 电离层观测中,低轨卫(LEO)轨道高度低时,轨道以上电离层电子含量(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.

    youdao

  • 但天文学家们不必证实他们太阳系外层理解斯卡德团队已经掌握其它柯伊伯体的

    Astronomers won't have to wait that long to firm up their understanding of the outer solar system, though: Sicardy and his team already have occultations in hand from other Kuiper Belt objects.

    youdao

  • 不同的LEO使发生的事件数量分布有所差别。

    If LEO satellite orbit changes, then the GPS occultation event's number and distribution will be different.

    youdao

  • 通过红外波段的日观测,已经确定尘埃两个成分原组成。

    From lunar occultation experiments at infrared wavelengths it has been determined that the dust shell can be represented by two components.

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  • 准确纪录现象时刻能提供有关大气,不同类型大小准确位置

    The precise timings of occultations provide information about planetary atmospheres , the dimensions of extended visible , radio , and x - ray objects , and the positions of objects.

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  • 介绍国外国内GPS无线电掩星技术研究进展

    Progresses abroad and at home in GPS radio occultation technique are briefly introduced.

    youdao

  • 同步生成的模拟精度序列为参照,就掩星观测中电离层延迟LEO轨道误差响应程度进行了估计分析

    With the simultaneously generated precision series, the response of ionospheric phase delay to the LEO satellite orbit biases is assessed and analyzed.

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  • 详细研究了大气边界层水汽温度变化观测高度相位时延影响;

    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.

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  • 介绍了利用GPS反演地球中性大气参数原理

    The theory and the procedure of inversion of Earth′s neutral atmospheric parameters with GPS occultation are briefly introduced.

    youdao

  • 详细描述无线电的基本技术原理。

    Discuss the radio occultation technique in details.

    youdao

  • 作为技术推广,基于飞机平台的无线电掩星技术备受关注

    As an extended technique of GNSS radio occultation (RO), the airborne RO sounding has attracted much wider attention.

    youdao

  • 但是就增加观测多重机会

    But it does provide the opportunity to watch multiple transits of Saturn's moons.

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  • 去年11月出现了。

    Last November, the occultation took place.

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  • leo相比多个组成LEO观测到的事件时空分辨率数量上都有很大提高

    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.

    youdao

  • leo相比多个组成LEO观测到的事件时空分辨率数量上都有很大提高

    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.

    youdao

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