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Research on Adaptive Antenna Techniques
STANFORD UNIV CA INFORMATION SYSTEMS LAB
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A primary goal of this research is to develop adaptive signal processing algorithms that will be useful in providing antijam AJ protection for aircraft receiving systems. Because of the motion of the aircraft and the uncertain position of the signal source, signal reception may be possible from almost any direction of incidence. The uncertainty and time variable nature of jammer positions requires rapid adaptive capability for elimination of one or more simultaneously operating jammers. Furthermore, aircraft receiving arrays generally have only a few elements, each having highly irregular and sometimes unpredictable radiation patterns. The problem is not simple. This report is divided into three parts, each one representing a major effort contributing to adaptive AJ technology.
APPROVED FOR PUBLIC RELEASE