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Efficient SAR Raw Data Generation for Anisotropic Urban Scenes Based on Inverse Processing

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3 Author(s)
Ahmed Shaharyar Khwaja ; Inst. of Electron. & Telecommun. Rennes, Univ. of Rennes 1, Rennes, France ; Laurent Ferro-Famil ; Eric Pottier

This letter describes efficient synthetic aperture radar raw data generation in the wavenumber domain using inverse processing. An exact form based on an inverse Omega-k algorithm and an approximate form based on an inverse Chirp Scaling algorithm are described, and examples are presented for a point scatterer. A methodology to incorporate the anisotropic behavior of an urban scene in a reflectivity map is also presented and demonstrated by means of a subaperture analysis.

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IEEE Geoscience and Remote Sensing Letters  (Volume:6 ,  Issue: 4 )