High precision metrology method for unobscured Three Mirror Anastigmatic (TMA) mapping camera boresight

Xi-ting Zhao; Wen-chun Jiao; Zhi-bo Liao

doi:10.1117/12.975683

15 October 2012 High precision metrology method for unobscured Three Mirror Anastigmatic (TMA) mapping camera boresight

Xi-ting Zhao, Wen-chun Jiao, Zhi-bo Liao

Proceedings Volume 8417, 6th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment; 84172O (2012) https://doi.org/10.1117/12.975683
Event: 6th International Symposium on Advanced Optical Manufacturing and Testing Technologies (AOMATT 2012), 2012, Xiamen, China

Abstract

High precision of mapping camera boresight directly affects the positioning accuracy of geographical location and photogrammetry. Although it can fulfill the request of good performance for unobscured TMA optical system, which adopted computer aided alignment method, single lens was unobscured which unable ascertain boresight by using lens centering technology, and boresight is randomicity as a result of compensating relation of multivariables. A novel method using the measurement of theodolite space intersection was proposed to rapidly and high accurately complete establish the relation between boresight and a cube in precision alignment stage, simultaneously, the relation of component deflexion and boresight have been simulated by computer model reverse optimization. Thus, the image quality and precision of boresight was effective operated according to the request of satellite assembly.

Citation Download Citation

Xi-ting Zhao, Wen-chun Jiao, and Zhi-bo Liao "High precision metrology method for unobscured Three Mirror Anastigmatic (TMA) mapping camera boresight", Proc. SPIE 8417, 6th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment, 84172O (15 October 2012); https://doi.org/10.1117/12.975683

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