Principles of 3D turntable radar imaging

Author

Ray, Timothy P. ; Lopez, Jaime X. ; Qiao, Zhijun

Author_Institution

Dept. of Math., Univ. of Texas-Pan American, Edinburg, TX, USA

fYear

2012

fDate

7-11 May 2012

Abstract

In this paper, a filtered adjoint inversion scheme for turntable inverse synthetic aperture radar (ISAR) data is derived for three spatial dimensions from a scalar wave equation model. The proposed data inversion scheme motivates the use of filtered back projection (FBP) and convolution back projection (CBP) imaging algorithms. This paper also provides a derivation of a general imaging filter needed for accurate near-field FBP and CBP imaging algorithms, which will be shown to reduce to familiar results found in SWISAR (Spherical-Wave ISAR) imaging.

Keywords

filtering theory; radar imaging; synthetic aperture radar; 3D turntable radar imaging; SWISAR imaging; convolution back projection imaging algorithm; data inversion scheme; filtered adjoint inversion scheme; filtered back projection imaging algorithm; imaging filter; near-field CBP imaging algorithm; near-field FBP imaging algorithm; scalar wave equation model; spatial dimensions; spherical-wave ISAR imaging; turntable ISAR data; turntable inverse synthetic aperture radar data; Equations; Fourier transforms; Imaging; Radar antennas; Radar imaging; Synthetic aperture radar; Convolution Back Projection; Filtered Back-Projection; Fourier Diffraction Theorem; Inverse Synthetic Aperture Radar; Near-Field Imaging; Radar Tomography; Turntable Radar;

fLanguage

English

Publisher

ieee

Conference_Titel

Radar Conference (RADAR), 2012 IEEE

Conference_Location

Atlanta, GA

ISSN

1097-5659

Print_ISBN

978-1-4673-0656-0

Type

conf

DOI

10.1109/RADAR.2012.6212239

Filename

6212239