深空光终端

2011 International Conference on Space Optical Systems and Applications (ICSOS) Pub Date : 2011-05-11 DOI:10.1109/ICSOS.2011.5783719

H. Hemmati, W. Farr, A. Biswas, K. Birnbaum, W. Roberts, K. Quirk, S. Townes

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引用次数: 10

摘要

我们报道的工程交易导致了火星轨道航天器激光通信终端的概念设计。介绍了飞行终端、地面接收机和地面发射机子系统。设计的系统下行数据速率为0.25 Gb/s，上行数据速率为0.3 Mb/s，与飞行终端的距离为地球-火星近距离(0.42 AU)时，测距精度为30 cm。

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Deep-space optical terminals

We report on engineering trades that led to the conceptual design of a laser communications terminal for a spacecraft orbiting Mars. The flight terminal, the ground receiver and the ground transmitter subsystems are described. The designed system is capable of 0.25 Gb/s downlink data-rate, 0.3 Mb/s uplink data-rate, and ranging with a 30 cm precision when the distance to the flight terminal is the Earth-Mars close range (0.42 AU).

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来源期刊

2011 International Conference on Space Optical Systems and Applications (ICSOS)

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