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Radar data processing method

A processing method and technology for radar data, applied in the field of radar, can solve the problems of high implementation cost, poor detection effect of slow and small targets, complex implementation structure, etc., and achieve the effect of reliable temporary track

Active Publication Date: 2019-08-30
四川九洲防控科技有限责任公司
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Problems solved by technology

[0004] The Chinese patent with the patent number CN 103472441A discloses a radar data processing method based on the clutter map, which can adaptively retrain and establish the clutter map according to the change of the radar control state, and the clutter map with the freezing function can The slow and suspended targets are retained, but its implementation structure is complex, the implementation cost is high, and the detection effect on slow and small targets is poor

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Embodiment Construction

[0050]The implementation of the present invention will be described in detail below in conjunction with the accompanying drawings and examples, so as to fully understand and implement the implementation process of how to apply technical means to solve technical problems and achieve corresponding technical effects in the present invention. The embodiments of the present application and the various features in the embodiments can be combined with each other under the premise of no conflict, and the formed technical solutions are all within the protection scope of the present invention.

[0051] Obtain the radar trace data and preprocess the radar trace data to obtain the candidate trace data corresponding to the candidate trace data. Preprocessing the radar trace data can realize the cohesion of the radar trace data and the elimination of clutter points ; Utilize at least two kinds of wave gates to filter the track data to be selected, and form a temporary track with the target t...

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Abstract

The invention discloses a radar data processing method. The method includes the following steps: acquiring radar trace point data, and preprocessing the radar trace point data to obtain to-be-selectedtrace point data corresponding to a to-be-selected trace point; subjecting the to-be-selected trace point data to screening from coarse to fine by utilizing at least two types of wave gates; judginga temporary track by utilizing a logic method, and changing the temporary track into a true track if the temporary track satisfies a condition; and perform tracking filter based on the true track. Through utilization of the radar data processing method of embodiments of the invention, radar data can be processed simply and quickly, and a target track displayed on a radar terminal is more reliable.

Description

technical field [0001] The invention belongs to the technical field of radar, in particular to a radar data processing method. Background technique [0002] In the process of radar detecting slow and small targets, since there are often various complex backgrounds around the target, such as ground objects, clouds and rain, etc., the echoes generated by these backgrounds are often called clutter or passive interference, and Not always static. The signal processor uses certain methods to suppress clutter or interference. The signal processor discovers the target by means of signal processing, constant false alarm detection, threshold judgment, etc., and transmits the spatial position, amplitude value, radial velocity, etc. of the target to the data recorder, and the data recorder outputs point traces (measurement) to Data processor, the data processor preprocesses the point track to obtain the target distance, azimuth, motion parameters, etc., and performs calculations such ...

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Application Information

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IPC IPC(8): G01S7/41
CPCG01S7/415
Inventor 徐好李春林吴琳拥彭杰毛谨王星
Owner 四川九洲防控科技有限责任公司
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