A radar decoupling method, device, system and storage medium
A decoupling and radar technology, applied in the radar field, can solve problems such as low processing efficiency, expansion error, and large amount of interpolation calculations, and achieve high processing efficiency and good image quality
Active Publication Date: 2020-06-05
BEIJING INST OF RADIO MEASUREMENT
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However, there are expansion errors in the decoupling of the series expansion, and the imaging quality is severely degraded at a large bandwidth ratio, while the frequency domain Stolt interpolation can accurately decouple, but the interpolation calculation is large and the processing efficiency is low
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[0042] The principles and features of the present invention will be described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.
[0043] Such as figure 1 As shown, it is a schematic flow chart provided by an embodiment of a radar decoupling method of the present invention, the decoupling method includes:
[0044] S1, acquiring the azimuth information of the target, and obtaining the echo model of the target according to the azimuth information.
[0045] It should be noted that the target refers to the target object detected by the radar, and the azimuth information of the target refers to the geographic location information of the target object. For example, when SAR (Synthetic Aperture Radar) detects a target, it will obtain the azimuth of the target according to the detection echo. The coordinates, the slant distance between the target ...
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The invention discloses a decoupling method, device and system for a radar and a storage medium, and relates to the technical field of the radar. The method comprises the steps of: acquiring azimuth information of a target, and according to the azimuth information, obtaining an echo model of the target; acquiring sampling information and pulse information of the radar, and according to the sampling information and the pulse information, obtaining a distance frequency model and an azimuth frequency model of the radar; according to the echo model, the distance frequency model and the azimuth frequency model, obtaining a decoupling model; according to the decoupling model, carrying out decoupling on a distance frequency and an azimuth frequency of the radar. The decoupling method, device andsystem for the radar and the storage medium, which are provided by the invention, have the advantage of high imaging quality, and are similar with Stolt interpolation in processing quality; but once the decoupling model is established, decoupling can be carried out only by the model, so that processing efficiency is higher than Stolt interpolation and the decoupling method, device and system for the radar and the storage medium, which are provided by the invention, have the advantage of high processing efficiency.
Description
technical field [0001] The present invention relates to the technical field of radar, in particular to a radar decoupling method, device, system and storage medium. Background technique [0002] At present, in the two-dimensional frequency domain, in the echo data received by the satellite radar, the distance data and azimuth data of the target are coupled together. During data processing, the echo data is usually decoupled through series expansion to obtain distance data and azimuth data. However, there are expansion errors in the decoupling of series expansion, and the imaging quality is severely degraded at a large bandwidth ratio. However, Stolt interpolation in the frequency domain can accurately decouple, but the interpolation calculation is large and the processing efficiency is low. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a radar decoupling method, device, system and storage medium for the defici...
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IPC IPC(8): G01S7/41
CPCG01S7/41
Inventor 邢涛李军韦立登
Owner BEIJING INST OF RADIO MEASUREMENT