On-board high resolution SAR imaging method based on azimuth spatial variation error compensation
A technology of error compensation and azimuth space variation, applied in the field of radar, it can solve the problems of affecting accuracy and limited accuracy, and achieve the effect of precise focusing and reducing the amount of calculation.
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[0041]The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0042] An embodiment of the present invention provides an airborne high-resolution SAR imaging method based on azimuth space-variation error compensation, such as figure 1 As shown, the method includes the following steps:
[0043] Step 1, obtain the echo signal of the airborne high-resolution SAR radar, and perform range pulse pressure, range migration correction, and azimuth Fourier transform on the echo signal in sequence to obtain an azimuth beam domain sig...
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