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A lightweight and wide swath UAV camera for high resolution surveillance missions

机译：轻巧，宽幅的无人机摄像头，可用于高分辨率监视任务

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摘要

Designed to execute mapping and surveillance missions for crisis monitoring on a solar powered High Altitude Long endurance UAV 18 km high up in the stratosphere, the MEDUSA high resolution camera is able to acquire frame images with a ground sampling distance of 30 cm and swath of 3 km. Since mass is a dominant driver for the UAV performance the MEDUSA payload was severely mass optimised to fit within the physical boundaries of 2.6 kg, 12 cm diameter and 1 m length. An inertial navigation system and data transmission equipment is included. Due to the innovative dual sensor on single chip concept the MEDUSA payload hosts two independent frame camera's of each 10000×1200 pixels (one panchromatic and one colour sensitive). The MEDUSA stratospheric camera has completed its system level test campaign in autumn 2012 and is ready for its maiden flight.Using the main building blocks of this stratospheric camera a modified version is being developed which is adapted to more conventional UAV's flying at lower altitude. The current design is targeting a ground resolution of 10 cm and swath of 1 km with each single image. First test flights have been conducted with an engineering model version of the camera generating representative image data. Also the functionality is being expanded by adding hyperspectral sensitivity to high spatial resolution image acquisition within the same compact camera system.
机译：MEDUSA高分辨率摄像机旨在执行平测和监视任务，以便在平流层高18 km的太阳能高空长航时无人机上进行危机监测，MEDUSA高分辨率摄像机能够以30 cm的地面采样距离和3度的幅宽采集帧图像公里由于质量是影响无人机性能的主要因素，因此MEDUSA有效载荷经过了严格的质量优化，以适应2.6 kg，直径12 cm和长度1 m的物理边界。包括惯性导航系统和数据传输设备。由于采用了创新的单芯片双传感器概念，MEDUSA负载可容纳两个独立的框架摄像机，每个10000×1200像素（一个全色和一个色敏）。 MEDUSA平流层摄象机已于2012年秋季完成系统级测试，并准备进行首次飞行。该平流层摄象机的主要组成部分正在开发中，以适应更常规的低空飞行。当前的设计目标是每张单幅图像的地面分辨率为10厘米，行距为1公里。首次飞行测试是使用相机的工程模型版本生成的，该相机会生成具有代表性的图像数据。通过在同一紧凑型相机系统中向高空间分辨率图像采集中添加高光谱灵敏度，功能也得以扩展。

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