Method of reconstructing images from synthetic aperture...

Details Method of reconstructing images from synthetic aperture... Method of reconstructing images from synthetic aperture...

G - Physics

01

S

354/138, 343/51

G01S 13/90 (2006.01)

Patent

CA 1257370

ABSTRACT OF THE DISCLOSURE A method of reconstructing original images from synthetic aperture radar image data, wherein in order to speed up the reconstruction of an original image from image data provided by synthetic aperture radar (SAR), the process for generating a point image pattern in correspondence to each point on the original image and the fast Fourier transformation (FFT) process for the generated point image pattern and 1-line image data are carried out once for every certain number of lines. Positional and phase displacements created on a recon- structed image are corrected by multiplying a phase rotation factor to the product of the FFT-processed point image pattern and 1-line image data.

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