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Laser Communications for Unmanned Aircraft Systems Using Differential GPS and IMU Data

机译:使用差分GPS和IMU数据的无人机系统激光通信

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摘要

Free space laser communications provides wide bandwidth and high security capabilities to Unmanned Aircraft Systems (UAS) in order to successfully accomplish Intelligence, Surveillance, Target Acquisition, and Reconnaissance (ISTAR) missions. A practical implementation of a laser-based video communications payload flown by a small UAS aircraft is described as a proof-of-concept. The two-axis gimbal pointing control algorithm calculates the line-of-sight vector in real-time by using differential GPS and IMU information gathered from the UAS vehicle's autopilot so that the laser transmitter in the airborne payload can accurately track a ground-based photodiode array receiver with a known GPS location. One of the future goals of the project is to move from UAS-to-ground communications to UAS-to-UAS free space laser communications.
机译:自由空间激光通信可为无人机系统(UAS)提供宽带宽和高安全性功能,以成功完成情报,监视,目标获取和侦察(ISTAR)任务。小型UAS飞机飞行的基于激光的视频通信有效载荷的实际实现被描述为概念验证。两轴万向节指向控制算法通过使用从UAS车辆的自动驾驶仪收集的差分GPS和IMU信息实时计算视线矢量,从而使机载有效载荷中的激光发射器可以准确地跟踪基于地面的光电二极管具有已知GPS位置的阵列接收器。该项目的未来目标之一是从UAS到地面的通信过渡到UAS到UAS的自由空间激光通信。

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