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Proceedings Paper

An improved MIMO-SAR simulator strategy with ray tracing
Author(s): Xingyu Xiang; Zijian Mo; Zhonghai Wang; Genshe Chen; Khanh Pham; Erik Blasch
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Paper Abstract

High resolution and wide-swath imaging can be obtained by Multiple-Input Multiple-Output (MIMO) synthetic aperture radar (SAR) with the state of the art technologies. The time division multiple access (TDMA) MIMO SAR mimics the motion of the antenna of SAR systems by switching the array channels to transmit the radar signals at different time slots. In this paper, we develop a simulation tool with ray tracing techniques to retrieve high resolution and accurate SAR images for development of MIMO SAR imaging methods. Without loss of generality, in the proposed simulator, we apply a TDMA MIMO SAR system with 13 transmitting antennas and 8 receiving antennas, where all transmitting antennas share a single transmitter and the receiving antennas share a single receiver. By comparing with the normal simulation MIMO SAR strategies, the simulation image using ray tracing results validate that the proposed method provides more accurate and higher resolution SAR images.

Paper Details

Date Published: 13 May 2016
PDF: 10 pages
Proc. SPIE 9838, Sensors and Systems for Space Applications IX, 98380B (13 May 2016); doi: 10.1117/12.2227219
Show Author Affiliations
Xingyu Xiang, Intelligent Fusion Technology, Inc. (United States)
Zijian Mo, Intelligent Fusion Technology, Inc. (United States)
Zhonghai Wang, Intelligent Fusion Technology, Inc. (United States)
Genshe Chen, Intelligent Fusion Technology, Inc. (United States)
Khanh Pham, Air Force Research Lab. (United States)
Erik Blasch, Air Force Research Lab. (United States)


Published in SPIE Proceedings Vol. 9838:
Sensors and Systems for Space Applications IX
Khanh D. Pham; Genshe Chen, Editor(s)

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