火星轨道飞行器(MOM)机载Delta差分单向测距(DDOR)发射机

2015 International Conference on Signal Processing and Communication Engineering Systems Pub Date : 2015-03-12 DOI:10.1109/SPACES.2015.7058306

C. Ramamurthy, Rahul Karkara, Deepali C. Vaishya, R. Jolie

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引用次数: 2

摘要

Delta差分单向测距(DDOR)是一种用于深空任务的干涉仪技术，用于根据已知的源(通常是类星体)计算卫星的角位置。在火星轨道飞行器任务(MOM)中，利用发射机进行DDOR测量，以提高其他技术确定轨道的精度。发射机工作在s波段，载波相位由单音调制，大约在4mhz左右。本文讨论了DDOR测量的原理、发射机规格的确定、利用现有元器件的设计与实现及其在轨性能。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Delta differential One-way ranging (DDOR) transmitter onboard Mars Orbiter Mission (MOM)

Delta Differential One-way ranging (DDOR) is an interferometer technique used in deep space missions to calculate the angular position of a satellite with reference to a well known source which is usually a quasar. A Transmitter has been used in Mars Orbiter Mission (MOM) for DDOR measurement to improve the accuracy of orbit determined by other techniques. The Transmitter operates at S-band with carrier phase modulated by a single tone at around 4 MHz approximately. This paper discusses the principle of DDOR measurement, how the specifications for the Transmitter were arrived at, the design & realization using the available components and its on-orbit performance.

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2015 International Conference on Signal Processing and Communication Engineering Systems

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