A near-field imaging method of two-dimension interferometric synthetic aperture radiometer was presented. Based on the principle of the two-dimension interferometric synthetic aperture radiometer and the near-field condition, the shortcomings of FFT(fast Fourier transform) imaging method were analyzed, and a near-filed numerical imaging method by phase compensating was proposed. The imaging simulation of single point-target by FFT reverse algorithm and the near-filed reverse algorithm were carried out respectively. The simulation results show that the near-filed reverse algorithm has better resolution than FFT reverse algorithm. The imaging experiment of two separate man-made points with these two methods was accomplished, and the experiment results prove that the near-field imaging method is valid.
Hu Anyong, Liu Chongkan, Miao Jungang, Wan Guolong.Near-filed imaging method of two-dimension interferometric synthetic aperture radiometer[J] JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2008,V34(01): 92-95
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