Pre-processing for time domain image formation in SS-BSAR system

H. Zhou, H. Tan, J. Guo, M. Antoniou, Z. Zeng, M. Cherniakov, R. Zuo

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)


A pre-processing procedure is designed for a spacesurface bistatic synthetic aperture radar (SS-BSAR) system when a time domain image formation algorithm is employed. Three crucial technical issues relating to the procedure are fully discussed. Firstly, unlike image formation algorithms operating in the frequency domain, a time domain algorithm requires the accurate global navigation satellite system (GNSS) time and position. This paper proposes acquisition of this information using a time-and-spatial transfer with precise ephemeris and interpolation. Secondly, synchronization errors and compensation methods in SS-BSAR are analyzed. Finally, taking the non-ideal factors in the echo and the compatibility of image formation algorithms into account, a matched filter based on the minimum delay is constructed. Experimental result using real data suggest the pre-processing is functioning properly.
Original languageEnglish
Pages (from-to)875-880
Number of pages6
JournalJournal of Systems Engineering and Electronics
Issue number6
Publication statusPublished - 1 Jan 2012

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Copyright 2013 Elsevier B.V., All rights reserved.


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