Clutter Effects on the Interferometric Phase of Ground Moving Targets

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Authors
  1. Durak, A.
  2. Gierull, C.H.
Corporate Authors
Defence R&D Canada - Ottawa, Ottawa ONT (CAN)
Abstract
This report mainly investigates the clutter contamination problem for a twochannel radar system using both simulated and realistic clutter (measured airborne data). The objective of this study is to show the clutter effects on the interferometric phase of simulated moving targets using different simulation scenarios and to investigate the reasons for the biases in the measured ATI phase angles of the moving targets. Simulations show that not only the clutter power affects ATI phase estimation but also a slight variance in supposedly very similar clutter distributions can have a significant effect on ATI phase measurements. Different target behaviors like targets with varying magnitudes over time and accelerating targets are also analyzed in the rest of the report. Theoretical results are evaluated and illustrated with simulations.

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Keywords
STATISTICS OF SAR INTERFEROGRAMS;ATI (Along-track interferometry);GMTI (Ground Moving Target Indicator)
Report Number
DRDC-OTTAWA-TM-2005-175 — Technical Memorandum
Date of publication
01 Aug 2005
Number of Pages
40
DSTKIM No
CA026580
CANDIS No
524456
Format(s):
CD ROM

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