Radar performance evaluation method based on regional coupled forecast system
A forecasting system and radar technology, applied to radio wave measurement systems, instruments, etc., can solve problems such as incomplete real-time performance, and achieve the effect of increasing processing speed
Active Publication Date: 2022-08-02
OCEAN UNIV OF CHINA +1
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When multiple radars need to be evaluated, they need to be processed sequentially, which does not fully meet the real-time requirements
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[0040] In order to make the implementation purpose, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be described in more detail below with reference to the accompanying drawings in the embodiments of the present application. Throughout the drawings, the same or similar reference numbers refer to the same or similar elements or elements having the same or similar functions. The described embodiments are some, but not all, of the embodiments of the present application. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to be used to explain the present application, but should not be construed as a limitation to the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present ap...
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The present application discloses a radar performance evaluation method based on a regional coupled forecast system. The radar performance evaluation method based on the regional coupling forecast system includes: each main core obtains radar information in parallel; each main core generates model parameters and sea clutter backscattering coefficients according to the radar information obtained by itself; each main core generates its own The model parameters, sea clutter backscattering coefficient and radar information are transmitted to the slave core connected to itself, and the signal-to-noise ratio and detection probability of each point in the distance dimension of the azimuth corresponding to the master core are generated from the slave core and transmitted. To the main core; each main core stores the signal-to-noise ratio and detection probability transmitted from the core according to the radar mark and the azimuth mark to obtain the detection probability map of each azimuth. The radar performance evaluation method based on the regional coupling forecasting system of the present application utilizes the two-level parallel technology of the master core and the slave core for processing, and the processing speed is significantly improved.
Description
technical field [0001] The invention relates to the technical field of radar performance evaluation, in particular to a radar performance evaluation method based on a regional coupling forecast system. Background technique [0002] The radar emits electromagnetic waves to the sea surface to monitor objects, and the scattered echoes of the sea surface received by the radar are called sea clutter. The existence of sea clutter seriously affects the detection and tracking of sea surface targets and reduces the working performance of the radar system. The radar performance evaluation under the background of sea clutter can provide an important basis for the system design of sea-related radar and the identification of sea surface targets. [0003] In the performance evaluation of the existing sea-related radars, the environmental parameters of the mission radar coverage area generally do not change much, and they are equivalent to the values of the environmental observation poin...
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IPC IPC(8): G01S7/40
CPCG01S7/4052
Inventor 张成峰魏志强贾东宁韩恒敏许佳立郑晨
Owner OCEAN UNIV OF CHINA