空间分布式传感器阵列的光束检测方法的到达角度
Shan Zhao1,2, Lei Zhu2, Shiyang Shen2
1School of Optoelectronic Engineering, Chongqing University of Posts and Telecommunications, Chongqing 400065, China.
Sensors (Basel, Switzerland)
|March 17, 2025
概括
这项研究引入了一种新的空间分布式传感器阵列,用于激光空间网络中的广视场 (FOV) 抵达角度 (AOA) 检测. 该系统实现了110°的FOV,这对于卫星间通信至关重要.
科学领域:
- 光学和光子学 在光学和光子学.
- 卫星通信系统 卫星通信系统
- 传感器技术 传感器技术
背景情况:
- 卫星间激光通信对于空间网络至关重要.
- 传统的到达角度 (AOA) 检测方法具有有限的视野 (FOV).
- 在广泛的FOV上准确检测AOA对于网络化至关重要.
研究的目的:
- 开发一个空间分布式传感器阵列系统,用于广泛的FOV AOA检测.
- 分析结构参数对FOV和角度分辨率的影响.
- 展示一个原型并评估其性能,用于多卫星激光通信.
主要方法:
- 一个空间分布的传感器阵列,利用多个传感器的信号强度.
- 开发一个AOA检测模型和分析结构参数.
- 实现一个多传感器数据融合算法,以提高准确性.
- 在3D打印结构上使用5个InGaAs PIN光二极管制造原型.
主要成果:
- 原型实现了最大的FOV为110°.
- 在60°FOV.内,向和高度的根平均平方误差 (RMSE) 为0.6°和0.67°.
- 在最大110°FOV.上,RMSE增加到1.1°的近视角和1.7°的高度.
结论:
- 设计的传感器阵列提供了广泛的FOV和低尺寸,重量和功率 (SWaP).
- 这项技术显示了多卫星激光通信应用的巨大潜力.
- 该系统克服了传统基于镜头的AOA检测的局限性.
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