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Signal Processing for Digital Beamforming FMCW SAR
Joint Authors
Xin, Qin
Jiang, Zhihong
Cheng, Pu
He, Mi
Source
Mathematical Problems in Engineering
Issue
Vol. 2014, Issue 2014 (31 Dec. 2014), pp.1-10, 10 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2014-04-14
Country of Publication
Egypt
No. of Pages
10
Main Subjects
Abstract EN
According to the limitations of single channel Frequency Modulation Continuous Wave (FMCW) Synthetic Aperture Radar (SAR), Digital Beamforming (DBF) technology is introduced to improve system performance.
Combined with multiple receive apertures, DBF FMCW SAR can obtain high resolution in low pulse repetition frequency, which can increase the processing gain and decrease the sampling frequency.
The received signal model of DBF FMCW SAR is derived.
The continuous antenna motion which is the main characteristic of FMCW SAR received signal is taken into account in the whole signal processing.
The detailed imaging diagram of DBF FMCW SAR is given.
A reference system is also demonstrated in the paper by comparing with a single channel FMCW SAR.
The validity of the presented diagram is demonstrated with a point target simulation results.
American Psychological Association (APA)
Xin, Qin& Jiang, Zhihong& Cheng, Pu& He, Mi. 2014. Signal Processing for Digital Beamforming FMCW SAR. Mathematical Problems in Engineering،Vol. 2014, no. 2014, pp.1-10.
https://search.emarefa.net/detail/BIM-504044
Modern Language Association (MLA)
Xin, Qin…[et al.]. Signal Processing for Digital Beamforming FMCW SAR. Mathematical Problems in Engineering No. 2014 (2014), pp.1-10.
https://search.emarefa.net/detail/BIM-504044
American Medical Association (AMA)
Xin, Qin& Jiang, Zhihong& Cheng, Pu& He, Mi. Signal Processing for Digital Beamforming FMCW SAR. Mathematical Problems in Engineering. 2014. Vol. 2014, no. 2014, pp.1-10.
https://search.emarefa.net/detail/BIM-504044
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-504044