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Spaceborne synthetic aperture radar image fuzzy inhibition method and device

A synthetic aperture radar and fuzzy suppression technology, applied in the field of signal processing, can solve the problem of incomplete suppression of azimuth fuzzy signals

Active Publication Date: 2017-08-18
BEIHANG UNIV
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Problems solved by technology

[0005] The purpose of this disclosure is to solve the problem of incomplete suppression of azimuth ambiguity signals in the prior art, and to provide a fuzzy suppression method and device for spaceborne synthetic aperture radar images

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  • Spaceborne synthetic aperture radar image fuzzy inhibition method and device
  • Spaceborne synthetic aperture radar image fuzzy inhibition method and device
  • Spaceborne synthetic aperture radar image fuzzy inhibition method and device

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Embodiment Construction

[0136] Specific embodiments of the present disclosure will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present disclosure, and are not intended to limit the present disclosure.

[0137] Please refer to figure 1 , figure 1 It is a flow chart of the fuzzy suppression method of the spaceborne synthetic aperture radar image provided by an exemplary embodiment, such as figure 1 As shown, the method includes S11, S12 and S13. Each step will be described in turn below.

[0138] In S11, azimuth fuzzy reconstruction is performed on the spaceborne SAR image, and a fuzzy image of the spaceborne SAR image is determined.

[0139] In the present disclosure, the azimuth fuzzy reconstruction is performed on the spaceborne SAR image, the fuzzy amplitude response and phase history are reconstructed, and the fuzzy image corresponding to the spacebor...

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Abstract

The invention relates to a spaceborne synthetic aperture radar image fuzzy inhibition method and device. The method comprises steps that orientation fuzzy reconstruction for a spaceborne synthetic aperture radar image is carried out, and a fuzzy image of the spaceborne synthetic aperture radar image is determined; according to data points of the fuzzy image corresponding to data points of the spaceborne synthetic aperture radar image, whether the data points of the spaceborne synthetic aperture radar image satisfy pre-determined inhibition conditions is determined; if yes, the fuzzy image is utilized to carry out fuzzy inhibition for the data points of the spaceborne synthetic aperture radar image satisfying the pre-determined inhibition conditions. The method is advantaged in that orientation fuzziness of the spaceborne synthetic aperture radar image can be effectively removed, and sharpness of the spaceborne synthetic aperture radar image is improved.

Description

technical field [0001] The present disclosure relates to the technical field of signal processing, and in particular, to a blur suppression method and device for spaceborne synthetic aperture radar images. Background technique [0002] Spaceborne synthetic aperture radar is a high-resolution remote sensing radar that can observe the earth. Since spaceborne synthetic aperture radar satellites are not restricted by weather conditions with low visibility such as rain, fog, and dark nights, it is possible to achieve all-day, all-weather, high-resolution, and wide-range earth observation through it. Because of this, Xingzi synthetic aperture radar has broad application prospects in agriculture, ocean, disaster monitoring, 3D mapping and other fields. [0003] Spaceborne SAR has three working modes: spotlight mode, strip mode and sliding spotlight mode, among which strip mode is the most important working mode. However, the working mechanism of the spaceborne SAR itself determin...

Claims

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Application Information

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IPC IPC(8): G01S7/41G01S13/90
CPCG01S7/41G01S13/90G01S13/9027
Inventor 陈杰王凯匡辉曾虹程
Owner BEIHANG UNIV
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