NDLI: Simulation of signal reconstruction based sparse flight downward-looking 3D imaging SAR

Content Provider	IEEE Xplore Digital Library
Author	He Tian Daojing Li Liechen Li
Copyright Year	2015
Description	Author affiliation: Sci. & Technol. on Microwave Imaging Lab., Inst. of Electron., Beijing, China (He Tian; Daojing Li; Liechen Li)
Abstract	Aimed at continuous scene imaging, this paper utilizes signal reconstruction method to eliminate random phases of scatter cells and reduce signal bandwidth, to achieve downward-looking 3D imaging in the condition of sparse flight for array SAR. With the sampling method of repeat flight such as 7 dense flights and 4 sparse flights with sampling criteria of [1 1 1 0 0 1 0] (Barker code sequence), [0 1 1 0 1 0 1] and [1 0 1 0 1 0 1] (uniformly-spaced sequence), respectively, the 3D imaging simulation is implemented in this paper. In addition, we compare the imaging quality before and after signal reconstruction. Simulation results illustrate that the adoption of signal reconstruction can significantly improve image quality; the combination of Barker code sparse flight and signal reconstruction presents the best performance among all the implemented methods.
Starting Page	3762
Ending Page	3765
File Size	646635
Page Count	4
File Format	PDF
e-ISBN	9781479979295
DOI	10.1109/IGARSS.2015.7326642
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-07-26
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Imaging Three-dimensional displays Signal reconstruction Arrays Image reconstruction Radar imaging Synthetic aperture radar downward-looking imaging 3D imaging array SAR sparse flight signal reconstruction
Content Type	Text
Resource Type	Article

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