Unmanned aerial vehicle positioning system and method based on radio frequency array signal DOA estimation
An array signal and positioning system technology, applied in radio wave measurement systems, positioning, measurement devices, etc., can solve the problems of high transmission power, large sound propagation attenuation, and short operating distance, so as to improve positioning accuracy and improve signal-to-noise ratio. Effect
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[0047] The implementation of the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0048] The UAV positioning system of the present invention is used to coordinate the UAV counter equipment to automatically locate the UAV.
[0049] Such as figure 1 As shown, the system architecture of the present invention includes two groups of identical antenna receiving components, interface devices and control computers
[0050] The two sets of antenna receiving components are arranged in different positions for the acquisition, reception and processing of downlink image transmission radio frequency signals sent by the UAV. Each set of antenna receiving components includes:
[0051] A group of L-shaped antenna arrays, working in the 2.4GHz frequency band, are used to receive downlink image transmission radio frequency signals sent by UAVs; the L-shaped antenna arrays are composed of two antenna linear arrays arra...
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