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Title: Focusing of tandem bistatic-configuration data with range migration algorithm
Authors: Wu, Q.
Liang, Y.
Xing, M.
Qiu, C. 
Bao, Z.
Yeo, T.-S. 
Keywords: Bistatic synthetic aperture radar (BiSAR)
geometry-based bistatic formula (GBF)
point-target (PT) spectrum
range migration algorithm (RMA)
Issue Date: Jan-2011
Source: Wu, Q., Liang, Y., Xing, M., Qiu, C., Bao, Z., Yeo, T.-S. (2011-01). Focusing of tandem bistatic-configuration data with range migration algorithm. IEEE Geoscience and Remote Sensing Letters 8 (1) : 88-92. ScholarBank@NUS Repository.
Abstract: A bistatic range migration algorithm (RMA) based on an exact analytical bistatic point-target (PT) spectrum in the tandem configuration is proposed in this letter. For the conventional geometry-based bistatic formula method, the derived spectrum is only a quasi-analytical one because a variable called half-quasi-bistatic angle (HQBA) is not exactly analytically expressed. The key step of the proposed algorithm is to deduce an analytical HQBA in the tandem configuration, and thus, an exact analytical closed-form PT spectrum is acquired. Based on this analytical spectrum, a bistatic RMA is presented. It is demonstrated that this algorithm can handle the bistatic tandem configuration with extremely large baseline/range ratio and can also be applied to wide-swath imaging. © 2010 IEEE.
Source Title: IEEE Geoscience and Remote Sensing Letters
ISSN: 1545598X
DOI: 10.1109/LGRS.2010.2051532
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