Effects of optical artifacts in a laser-based spacecraft navigation sensor

被引:1
|
作者
LeCroy, Jerry E. [1 ]
Hallmark, Dean S. [1 ]
Howard, Richard T. [1 ]
机构
[1] Boeing Co, 950 Explorer Blvd, Huntsville, AL 35824 USA
关键词
D O I
10.1117/12.723377
中图分类号
V [航空、航天];
学科分类号
08 ; 0825 ;
摘要
Testing of the Advanced Video Guidance Sensor (AVGS) used for proximity operations navigation on the Orbital Express ASTRO spacecraft exposed several unanticipated imaging system artifacts and aberrations that required correction to meet critical navigation performance requirements. Mitigation actions are described for a number of system error sources, including lens aberration, optical train misalignment, laser speckle, target image defects, and detector nonlinearity/noise characteristics. Sensor test requirements and protocols are described, along with a summary of test results from sensor confidence tests and system performance testing.
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页数:11
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