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Planetary radio occultation technique and inversion method for YH-1 Mars mission

机译:YH-1火星任务的行星无线电掩星技术和反演方法

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Investigations of planetary atmospheres, ionospheres, rings, and magnetic fields using radio science techniques have been conducted by almost every planetary mission, and are planned for many future projects. Changes in the frequency, phase, amplitude and polarization of spacecraft radio signal, caused by passage through the atmosphere and ionosphere of the planet, were observed in rising and descending planet occultation events. Utilizing one inversion method, we can get the refractivity profiles of the atmosphere, density, temperature and pressure profiles of the neutral atmosphere, and the electron density profile of the ionosphere. Principles of the planetary radio occultation technique, physical backgrounds and module specifications of the YH-1 ground-based planetary atmosphere occultation processing system are described in this paper.
机译:几乎每个行星任务都使用无线电科学技术对行星大气,电离层,环和磁场进行了研究,并且计划在许多未来项目中进行。在上升和下降行星掩星事件中,观察到由于穿过行星大气和电离层而引起的航天器无线电信号的频率,相位,幅度和极化的变化。利用一种反演方法,我们可以获得大气的折射率分布,中性大气的密度,温度和压力分布以及电离层的电子密度分布。本文介绍了YH-1地基行星大气掩星处理系统的行星无线电掩星技术的原理,物理背景和模块规格。

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