Pointing error modeling and analysis of an electro-optical reconnaissance system

Hai-xia Chen; Wen-qing Gao

doi:10.1117/12.2648006

20 January 2023 Pointing error modeling and analysis of an electro-optical reconnaissance system

Hai-xia Chen, Wen-qing Gao

Proceedings Volume 12555, AOPC 2022: Infrared Devices and Infrared Technology; and Terahertz Technology and Applications; 1255507 (2023) https://doi.org/10.1117/12.2648006
Event: Applied Optics and Photonics China 2022 (AOPC2022), 2022, Beijing, China

Abstract

In the process of guiding the target device, the pointing and guidance accuracy of the on-board electro-optical reconnaissance system is affected by the relative installation position of the equipment, as it can not realize the coaxial installation with the guided device. According to the structural characteristics of the equipment, the mathematical model of target orientation function from the image plane coordinate system of the electro-optical reconnaissance system to the equipment base coordinate system is constructed, the error sources affecting the target pointing accuracy are analyzed, and the target pointing error model is established. The Monte Carlo method is used to analyze the relationship between the pointing error and its error sources. The probability density distribution of each error source is established. The target pointing accuracy performance under the influence of different errors is analyzed. And the sensitive factors affecting the pointing accuracy are figured out, which provides a certain theoretical guidance for the error allocation in the accuracy design stage.

Citation Download Citation

Hai-xia Chen and Wen-qing Gao "Pointing error modeling and analysis of an electro-optical reconnaissance system", Proc. SPIE 12555, AOPC 2022: Infrared Devices and Infrared Technology; and Terahertz Technology and Applications, 1255507 (20 January 2023); https://doi.org/10.1117/12.2648006

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