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High-Precision Online Star Calibration Technology Based on SWIR
Pages: 89-94
Year: Issue:  6
Journal: Optics & Optoelectronic Technology

Keyword:  SWIRrules of distributiononline star calibrationhigh precisionphotoeletric theodolite;
Abstract: Optical,radar or optoelectronic measurements are used to obtain ballistic parameters in weapon system flight trials.In order to further improve the accuracy of measurement,a new idea based on detecting target and SWIR star at the same time is brought forward.The feasibility demonstration of high-precision online star calibration technology is carried out with analysis of multichannel combinatorial detection,SWIR star measuring ability and rules of distribution of photoeletric theodolite.The measuring errors which can be calibrated by online star calibration are analyzed.Theoretical analysis results show that the precision of online star calibration is better than 10″,which meets the accuracy requirement of target range.
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