基于信号波束章动的相干跟踪技术研究

IF 1.1 4区物理与天体物理 Q4 OPTICS

Optical Review Pub Date : 2023-09-27 DOI:10.1007/s10043-023-00829-5

Jingying Bian, Bin Ren, Qian Lu, Xiaoqi Liu, Le Zhang, Xuejiao Zhang

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引用次数: 0

摘要

本文提出了一种基于信号波束章动的相干跟踪技术。分析了该技术的工作原理和优点。给出了光轴误差的检测算法和章动参数的选择方法。建立了相干跟踪系统的仿真模型，仿真结果表明，当章动角的一半在0.463和2µrad之间时，接收灵敏度下降小于1dB，噪声等效角小于0.02μrad。当章动频率优于10kHz时，相干跟踪系统可以补偿一些常见卫星平台的振动影响。该技术为自由空间光通信系统的设计提供了新的思路。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Research on coherent tracking technology based on signal beam nutation

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Research on coherent tracking technology based on signal beam nutation

The technology of coherent tracking based on signal beam nutation is presented in the paper. The working principle and advantage of the technology are analyzed. We provided the optical axis error detection algorithm and the selection method of nutation parameter. A simulation model of coherent tracking system was built, and the simulation results show that when half of the nutation angle is between 0.463 and 2 µrad, the degradation of the receiving sensitivity is less than 1 dB and the noise equivalent angle (NEA) is less than 0.02 μrad. When the nutation frequency is better than 10 kHz, the coherent tracking system can compensate vibration influence of some common satellite platform. The technology provides a new thought for free-space optical communication system design.

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来源期刊

Optical Review 物理-光学

CiteScore

2.30

自引率

0.00%

发文量

审稿时长

2 months

期刊介绍： Optical Review is an international journal published by the Optical Society of Japan. The scope of the journal is: General and physical optics; Quantum optics and spectroscopy; Information optics; Photonics and optoelectronics; Biomedical photonics and biological optics; Lasers; Nonlinear optics; Optical systems and technologies; Optical materials and manufacturing technologies; Vision; Infrared and short wavelength optics; Cross-disciplinary areas such as environmental, energy, food, agriculture and space technologies; Other optical methods and applications.