NDLI: Range-Doppler algorithm for processing bistatic SAR data based on the LBF in the constant-offset constellation

Content Provider	IEEE Xplore Digital Library
Author	Zare, A. Masnadi-Shirazi, M.A. Samadi, S.
Copyright Year	2012
Description	Author affiliation: School of Electrical and Computer Engineering, Shiraz University, Shiraz, Iran (Zare, A.; Masnadi-Shirazi, M.A.) \|\| Department of Electrical and Electronics Engineering, Shiraz University of Technology, Shiraz, Iran (Samadi, S.)
Abstract	This paper focuses on processing bistatic synthetic aperture radar data in the constant-offset configuration using the range-Doppler algorithm. The analytical two-dimensional signal spectrum introduced by Loffeld (Loffeld's Bistatic Formula: LBF) is used as the bistatic point-target reference spectrum. This spectrum consists of two key phase terms: a quasi-monostatic (QM) term similar to the monostatic phase of a point target, and a bistatic deformation (BD) term which is an intrinsic feature of the bistatic geometry and is due to the separation between the transmitter and receiver platforms. In this paper, both phase terms are combined into a single phase so that by directly using a Taylor series expansion, we may derive the key components of the signal including the azimuth modulation, range cell migration (RCM), and range-azimuth coupling. These terms can then be dealt with using the conventional processing techniques. In this paper, the range-Doppler algorithm is used which utilizes interpolation to remove the RCM, as in the monostatic case. Finally, simulation results are provided to verify the formulations.
Starting Page	0017
Ending Page	0021
File Size	884579
Page Count	5
File Format	PDF
ISBN	9781467306560
ISSN	10975659
e-ISBN	9781467306584
DOI	10.1109/RADAR.2012.6212104
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-05-07
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Azimuth Transmitters Receivers Taylor series Chirp Synthetic aperture radar Couplings
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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