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微型飞行器(microaerialvehicles,简称MAVs)有限的带载荷能力对其上的侦察设备提出了更高的要求。该文重点研究了应用于微型飞行器的微小摄像与无线传输系统。该系统以低质量和小体积实现了一定距离内视频图像的无线传输。系统组成包括机载摄像、发射单元和地面接收单元。机载摄像发射模块质量为16g(包含摄像头和发射天线),体积为30mm×40mm×5mm,可实时传输视频图像,传输有效半径达1km(视距范围内)。该系统成功地应用在翼展320mm的飞行器中。
The limited payload capacity of microaerialvehicles (MAVs) places higher demands on reconnaissance equipment. This article focuses on the micro-camera and wireless transmission system used in the micro-aircraft. This system realizes the wireless transmission of video images within a certain distance with low quality and small volume. System components include airborne camera, launch unit and ground receiving unit. The on-board camera launch module has a mass of 16g (including camera and transmitting antenna) and a volume of 30mm × 40mm × 5mm. It can transmit video images in real time with an effective transmission radius of 1km (line-of-sight range). The system has been successfully used in 320 mm wingspan aircraft.