Volume 8 Number 11 (Nov. 2013)
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JSW 2013 Vol.8(11): 2956-2961 ISSN: 1796-217X
doi: 10.4304/jsw.8.11.2956-2961

Real-time Unwrapped Phase Generating Algorithm based on Airborne Dual-antenna InSAR System

Hong-guang Xiao1, Li-fu Chen3, Song-tao Han2, Wei Li1, Shu-gen Xiao1
1Changsha University of Science & Technology/College of Computer and Communication Engineering, Changsha, China
2Science and Technology on Aerospace Flight Dynamics Laboratory, Beijing, China
3Changsha University of Science & Technology/College of Electrical and Information Engineering, Changsha, China


Abstract—In order to satisfy the requirement of terrain mapping in real-time, this paper solves the problem of too large computation in the traditional interferometric processing algorithm, and provides the algorithm to generate real-time unwrapped phase with high quality based on airborne dual-antenna InSAR system. It utilizes non-linear ECS autoregistration imaging algorithm to generate high accuracy auto-registration dual-channel SAR images, which omits the latter time-consuming registration course. During the course of imaging, accurate interferometric motion compensation is introduced. Fast filter is performed on the two SAR images to generate high quality interferometric fringe, and then fast phase unwrapping algorithm based on partitioning the dense residues area is done to get the unwrapped phase. Finally, the processed result of the real InSAR data proves the validation of the algorithm.

Index Terms—Auto-registration, motion compensation, filtering, real-time, Phase Unwrapping.

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Cite: Hong-guang Xiao, Li-fu Chen, Song-tao Han, Wei Li and Shu-gen Xiao, "Real-time Unwrapped Phase Generating Algorithm based on Airborne Dual-antenna InSAR System," Journal of Software vol. 8, no. 11, pp. 2956-2961, 2013.

General Information

ISSN: 1796-217X (Online)
Frequency:  Bimonthly (Since 2020)
Editor-in-Chief: Prof. Antanas Verikas
Executive Editor: Ms. Yoyo Y. Zhou
Abstracting/ Indexing: DBLP, EBSCO, Google Scholar, ProQuest, INSPEC(IET), ULRICH's Periodicals Directory, WorldCat, etc
E-mail: jsw@iap.org
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