Low level small speed small target detection radar device and detection method thereof

Abstract

The invention discloses a low level small speed small target detection radar device and a detection method thereof. The device comprises a cylindrical surface phased array radar antenna, an integrated controller, an emission waveform generation unit, multiple emission assemblies, multiple amplitude phase weight units and a digital signal processing unit, wherein the integrated controller, a signal generation unit and the emission waveform generation unit are sequentially connected, and each emission assembly is connected with the emission waveform generation unit. The device is advantaged in that a switch switching mode is employed to realize wave beam orientation electric scanning of the cylindrical surface phased array radar antenna, the amplitude phase weight units realize different multibeam coverage on the basis of different radar wave beam pitching angles, pitching orientation multibeams and difference beams are acquired through multi-channel echo reception and digital wave beam formation, and low level small speed small target three-dimensional rapid positioning is realized.

Description

technical field [0001] The invention relates to the technical field of radar scanning, in particular to a low-altitude slow-speed small target detection radar device and a detection method thereof. Background technique [0002] Birds are one of the natural enemies of aircraft flight safety. Since the appearance of aircraft, bird strikes have occurred frequently, and the losses caused are heartbreaking. The International Aviation Federation has now classified bird strikes as a "Category A" aviation disaster. According to statistics, the annual losses caused by birds to military aviation and civil aviation in North America amount to billions. The average number of bird strikes per 10,000 aircraft takeoffs and landings in Europe reaches 5.7. In mainland China, there are more than 500 bird strikes a year. Since then, the direct economic loss has exceeded 50 million RMB. [0003] In addition, the rapid development of small UAVs and the serious lag in their management in recent ...

AI Technical Summary

Problems solved by technology

[0003] In addition, the rapid development of small UAVs and the serious lag in their management in recent years have made UAV black flying another threat to aircraft flight safety

At the end of 2013, a drone broke into the airspace of the Capital Airport, causing multiple flight delays

[0004] At present, the current detection methods for low-altitude and slow-speed small targets such as birds and small UAVs are limited and expensive, and it is difficult to meet the requirements of fast three-dimensional positioning, high data rate, and all-weather all-weather work

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