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Báo cáo hóa học: " Research Article TSI Finders for Estimation of the Location of an Interference Source Using an Ariborne Array"

Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Research Article TSI Finders for Estimation of the Location of an Interference Source Using an Ariborne Array | Hindawi Publishing Corporation EURASIP Journal on Advances in Signal Processing Volume 2008 Article ID 275716 17 pages doi 10.1155 2008 275716 Research Article TSI Finders for Estimation of the Location of an Interference Source Using an Ariborne Array Dan Madurasinghe and Andrew Shaw Electronic Warfare and Radar Division Defence Science and Technology Organisation P. O. Box 1500 Edinburgh SA 5111 Australia Correspondence should be addressed to Dan Madurasinghe dan.madurasinghe@dsto.defence.gov.au Received 15 November 2006 Revised 21 March 2007 Accepted 20 August 2007 Recommended by Douglas B. Williams An algorithm based on space fast time adaptive processing to estimate the physical location of an interference source closely associated with a physical object and enhancing the detection performance against that object using a phased array radar is presented. Conventional direction finding techniques can estimate all the signals and their associated multipaths usually in a single spectrum. However none of the techniques are currently able to identity direct path source direction of interest and its associated multipath individually. Without this knowledge we are not in a position to achieve an estimation of the physical location of the interference source via ray tracing. The identification of the physical location of an interference source has become an important issue for some radar applications. The proposed technique identifies all the terrain bounced interference paths associated with the source of interest only main lobe interferer . This is achieved via the introduction of a postprocessor known as the terrain scattered interference TSI finder. Copyright 2008 D. Madurasinghe and A. Shaw. This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use distribution and reproduction in any medium provided the original work is properly cited. 1. INTRODUCTION The issue of source localization has been .