物理
航天器
干涉测量
引力波
天线(收音机)
引力波观测站
光学
激光器
轨道(动力学)
探测器
航空航天工程
天文
电信
计算机科学
工程类
作者
Peiman Maghami,Tristram T. Hyde,Jungwon Kim
标识
DOI:10.1088/0264-9381/22/10/038
摘要
The Laser Interferometer Space Antenna mission is a planned gravitational wave detector consisting of three spacecraft in heliocentric orbit. Laser interferometry is used to measure distance fluctuations between test masses aboard each spacecraft to the picometre level over a 5 million km separation. The disturbance reduction system comprises the pointing and positioning control of the spacecraft, electrostatic suspension control of the test masses and point-ahead and acquisition control. This paper presents an approach for the acquisition control of the LISA formation. The approach establishes one link at a time. For each link, it defocuses the incoming beams to make its light detectable by the receiving spacecraft. Simulations are performed to demonstrate the feasibility of the proposed approach.
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