Study of acquisition technology of scanning in satellite-to-ground laser communication

Juanjuan Wang; Yanhua Ma; Wei-hong Zhu; Jia Qiang

doi:10.1117/12.2032700

21 August 2013 Study of acquisition technology of scanning in satellite-to-ground laser communication

Juanjuan Wang, Yanhua Ma, Wei-hong Zhu, Jia Qiang

Proceedings Volume 8906, International Symposium on Photoelectronic Detection and Imaging 2013: Laser Communication Technologies and Systems; 89060M (2013) https://doi.org/10.1117/12.2032700
Event: ISPDI 2013 - Fifth International Symposium on Photoelectronic Detection and Imaging, 2013, Beijing, China

Abstract

In this paper we study the acquisition technology with the antenna scanning in satellite-ground laser links by theoretical analysis and practical experiment. Based on the satellite-ground laser communication system, we first set up the theoretical model and deduce the mathematic expressions of acquisition probability and acquisition time according to the raster-spiral scanning scheme. Then, we analyze factors which might influence the acquisition probability. Different with other research, our study explores the impact of fixed offset errors as well as the impact of the scanning step and scanning speed on the acquisition system in detail. Further, we optimize the average acquisition time by numerical analysis. Finally, we examine the theoretical model in a real acquisition, tracking and pointing (ATP) system. The experimental results showed that the proposed analysis can improve the acquisition performance.

Citation Download Citation

Juanjuan Wang, Yanhua Ma, Wei-hong Zhu, and Jia Qiang "Study of acquisition technology of scanning in satellite-to-ground laser communication", Proc. SPIE 8906, International Symposium on Photoelectronic Detection and Imaging 2013: Laser Communication Technologies and Systems, 89060M (21 August 2013); https://doi.org/10.1117/12.2032700

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KEYWORDS

Satellites

Laser communications

Satellite communications

Telecommunications

Acquisition tracking and pointing

Laser systems engineering

Raster graphics

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