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JOINT DOMAIN LOCALIZEDPROCESSINGUSING MEASURED SPATIAL STEERINGVECTORS*
 

Summary: JOINT DOMAIN LOCALIZEDPROCESSINGUSING MEASURED
SPATIAL STEERINGVECTORS*
Raviraj S. Adve
Research Associates for Defense Conversion, Inc.
10002 HlillsideTerrace, Marcy, NY 13403
Michael C. Wicks
Air Force Research Laboratory, Sensors Directorate
26 Electronic Parkway, Rome, NY 13441-4514
ABSTRACT
The Joint Domain Localized (JDL) adaptive processing algorithm mitigates interference
in a localized processing region in the angle-Doppler domain. Spatial and temporal steering
vectorra transform the data collected in the space-time domain to the angle-Doppler domain.
However, the JDL algorithm depends on the assumption that the spatial and temporal steering
vectoni form an orthogonal set. In practice, due to the mutual coupling between antenna elements,
the spatial steering vectors do not form an orthogonal set. This paper presents a modification of
the JDL algorithm to account for the non-orthogonality of these steering vectors. Examples from
the MCARM database demonstrate the improvement in detection capability.
1.0 INTRODUCTION
The detecti,on of small, slow moving targets by airborne surveillance radar requires the suppression of strong,
dynamic and possibly inhomogeneous interference in real time. Space-time adaptive processing (STAP) techniques

  

Source: Adve, Raviraj - Department of Electrical and Computer Engineering, University of Toronto

 

Collections: Engineering