Synthetic aperture radar imaging in the cross-range

Jaime X. Lopez; Guillermo Garza; Zhijun Qiao

doi:10.1117/12.850854

15 April 2010 Synthetic aperture radar imaging in the cross-range

Jaime X. Lopez, Guillermo Garza, Zhijun Qiao

Proceedings Volume 7698, Signal and Data Processing of Small Targets 2010; 76981C (2010) https://doi.org/10.1117/12.850854
Event: SPIE Defense, Security, and Sensing, 2010, Orlando, Florida, United States

Abstract

In this paper, we study the mathematics of Synthetic Aperture Radar (SAR) imaging in the cross-range as well as a mathematical model for SAR imaging. An introduction to the cross-range image scenario is given to establish the relationship between the received signal and the desired target function. More importantly, we present a detailed derivation of the slowtime sample spacing, which corrects the formulation by Soumekh.¹ A cross-range imaging algorithm and a comparison of the results with those previously obtained are given based on our slow-time sample spacing. The method of stationary phase, which is used is used to approximate the spectrum of the echoed signal, is discussed in an appendix. Finally, we discuss a mathematical model for 3D SAR and ISAR imaging - Maxwell's equations for SAR image reconstruction.

Citation Download Citation

Jaime X. Lopez, Guillermo Garza, and Zhijun Qiao "Synthetic aperture radar imaging in the cross-range", Proc. SPIE 7698, Signal and Data Processing of Small Targets 2010, 76981C (15 April 2010); https://doi.org/10.1117/12.850854

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KEYWORDS

Synthetic aperture radar

Radar

Antennas

Mathematical modeling

Radar imaging

Doppler effect

Error control coding

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