A Frequency-Domain Imaging Algorithm for Translational Invariant Bistatic Forward-Looking SAR

Junjie WU; Jianyu YANG; Yulin HUANG; Haiguang YANG; Lingjiang KONG

doi:10.1587/transcom.E96.B.605

A Frequency-Domain Imaging Algorithm for Translational Invariant Bistatic Forward-Looking SAR

Junjie WU, Jianyu YANG, Yulin HUANG, Haiguang YANG, Lingjiang KONG

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With appropriate geometry configurations, bistatic Synthetic Aperture Radar (SAR) can break through the limitations of monostatic SAR for forward-looking imaging. Thanks to such a capability, bistatic forward-looking SAR (BFSAR) has extensive potential applications. This paper develops a frequency-domain imaging algorithm for translational invariant BFSAR. The algorithm uses the method of Lengendre polynomials expansion to compute the two dimensional point target reference spectrum, and this spectrum is used to perform the range cell migration correction (RCMC), secondary range compression and azimuth compression. In particular, the Doppler-centroid and bistatic-range dependent interpolation for residual RCMC is presented in detail. In addition, a method that combines the ambiguity and resolution theories to determine the forward-looking imaging swath is also presented in this paper.

Publication: IEICE TRANSACTIONS on Communications Vol.E96-B No.2 pp.605-612

Publication Date: 2013/02/01

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Online ISSN: 1745-1345

DOI: 10.1587/transcom.E96.B.605

Type of Manuscript: PAPER

Category: Sensing

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Junjie WU, Jianyu YANG, Yulin HUANG, Haiguang YANG, Lingjiang KONG, "A Frequency-Domain Imaging Algorithm for Translational Invariant Bistatic Forward-Looking SAR" in IEICE TRANSACTIONS on Communications, vol. E96-B, no. 2, pp. 605-612, February 2013, doi: 10.1587/transcom.E96.B.605.
Abstract: With appropriate geometry configurations, bistatic Synthetic Aperture Radar (SAR) can break through the limitations of monostatic SAR for forward-looking imaging. Thanks to such a capability, bistatic forward-looking SAR (BFSAR) has extensive potential applications. This paper develops a frequency-domain imaging algorithm for translational invariant BFSAR. The algorithm uses the method of Lengendre polynomials expansion to compute the two dimensional point target reference spectrum, and this spectrum is used to perform the range cell migration correction (RCMC), secondary range compression and azimuth compression. In particular, the Doppler-centroid and bistatic-range dependent interpolation for residual RCMC is presented in detail. In addition, a method that combines the ambiguity and resolution theories to determine the forward-looking imaging swath is also presented in this paper.
URL: https://globals.ieice.org/en_transactions/communications/10.1587/transcom.E96.B.605/_p

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@ARTICLE{e96-b_2_605,
author={Junjie WU, Jianyu YANG, Yulin HUANG, Haiguang YANG, Lingjiang KONG, },
journal={IEICE TRANSACTIONS on Communications},
title={A Frequency-Domain Imaging Algorithm for Translational Invariant Bistatic Forward-Looking SAR},
year={2013},
volume={E96-B},
number={2},
pages={605-612},
abstract={With appropriate geometry configurations, bistatic Synthetic Aperture Radar (SAR) can break through the limitations of monostatic SAR for forward-looking imaging. Thanks to such a capability, bistatic forward-looking SAR (BFSAR) has extensive potential applications. This paper develops a frequency-domain imaging algorithm for translational invariant BFSAR. The algorithm uses the method of Lengendre polynomials expansion to compute the two dimensional point target reference spectrum, and this spectrum is used to perform the range cell migration correction (RCMC), secondary range compression and azimuth compression. In particular, the Doppler-centroid and bistatic-range dependent interpolation for residual RCMC is presented in detail. In addition, a method that combines the ambiguity and resolution theories to determine the forward-looking imaging swath is also presented in this paper.},
keywords={},
doi={10.1587/transcom.E96.B.605},
ISSN={1745-1345},
month={February},}

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TY - JOUR
TI - A Frequency-Domain Imaging Algorithm for Translational Invariant Bistatic Forward-Looking SAR
T2 - IEICE TRANSACTIONS on Communications
SP - 605
EP - 612
AU - Junjie WU
AU - Jianyu YANG
AU - Yulin HUANG
AU - Haiguang YANG
AU - Lingjiang KONG
PY - 2013
DO - 10.1587/transcom.E96.B.605
JO - IEICE TRANSACTIONS on Communications
SN - 1745-1345
VL - E96-B
IS - 2
JA - IEICE TRANSACTIONS on Communications
Y1 - February 2013
AB - With appropriate geometry configurations, bistatic Synthetic Aperture Radar (SAR) can break through the limitations of monostatic SAR for forward-looking imaging. Thanks to such a capability, bistatic forward-looking SAR (BFSAR) has extensive potential applications. This paper develops a frequency-domain imaging algorithm for translational invariant BFSAR. The algorithm uses the method of Lengendre polynomials expansion to compute the two dimensional point target reference spectrum, and this spectrum is used to perform the range cell migration correction (RCMC), secondary range compression and azimuth compression. In particular, the Doppler-centroid and bistatic-range dependent interpolation for residual RCMC is presented in detail. In addition, a method that combines the ambiguity and resolution theories to determine the forward-looking imaging swath is also presented in this paper.
ER -