Design of fast pointing system between wireless laser communication terminals based on GPS

ZHU Ting-hua; CAO Yang; JIANG Jin-qun; YE Jun; MA Zhi-hao; SUN Yu-ling

doi:10.13873/J.1000-9787(2017)12-0084-03

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Design of fast pointing system between wireless laser communication terminals based on GPS

更新时间：2025-09-11

- Design of fast pointing system between wireless laser communication terminals based on GPS
- Vol. 36, Issue 12, Pages: 84-86(2017)
- 作者机构：
  
  重庆理工大学电气与电子工程学院
- 作者简介：
- 基金信息：
- DOI：10.13873/J.1000-9787(2017)12-0084-03
  CLC： TN929.1
- Published：2017
- 稿件说明：
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[1]朱廷华,曹阳,江金群,叶钧,马志豪,孙钰伶.基于GPS的无线激光通信终端间快速指向系统设计[J].传感器与微系统,2017,36(12):84-86.

ZHU Ting-hua, CAO Yang, JIANG Jin-qun, et al. Design of fast pointing system between wireless laser communication terminals based on GPS[J]. 2017, 36(12): 84-86.
[1]朱廷华,曹阳,江金群,叶钧,马志豪,孙钰伶.基于GPS的无线激光通信终端间快速指向系统设计[J].传感器与微系统,2017,36(12):84-86. DOI： 10.13873/J.1000-9787(2017)12-0084-03.

ZHU Ting-hua, CAO Yang, JIANG Jin-qun, et al. Design of fast pointing system between wireless laser communication terminals based on GPS[J]. 2017, 36(12): 84-86. DOI： 10.13873/J.1000-9787(2017)12-0084-03.

摘要

为减少无线激光通信的捕获对准时间

快速建立激光通信链路

将全球定位系统（GPS）技术应用于无线激光通信的初始指向。激光通信终端双方接收GPS位置信息并发送至对端

通过坐标转换矩阵对GPS位置信息解算得到方位及俯仰角;依据解算得到的角度和自身姿态信息

进一步计算出需调整的旋转误差角度;通过控制二维转台旋转实现具有一定精度的快速指向。外场实验结果表明:GPS辅助指向系统通过控制转台指向误差在4.05°范围内

可以实现无线激光通信链路的快速捕获和对准

且具有较高的精度

验证了系统的有效性与实用性。

Abstract

In order to reduce acquisition and alignment time of wireless laser communication

fastly build laser communication link

global positioning system（ GPS） technology is applied in initial pointing of wireless laser communication. Azimuth angle and pitch angles is obtained by calculating GPS positional information with coordinate transform matrix after laser communication terminal both receive GPS positional information and send to opposite terminal

calculate rotation error angle needed to adjust according to the calculated angles and the attitude information. By controlling rotation of two-dimensional turntable to realize fast pointing with certain precision.Outfeild experimental result have comfirms that GPS-aided pointing system by controlling the turntable error within 4. 05°can realize fast acquisition of wireless laser communication links and alignment and has high precision

and validity and practicability of this system is verified.

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references

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