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Efficiency of space-time processing in on-board radar stations
Engineering Education # 04, April 2013
DOI: 10.7463/0413.0547801
The authors consider several signal processing algorithms in an on-board radar system with a multi-channel phased antenna array used for detection of small, low-speed targets. These are: split space and time non-adaptive processing, space-time adaptive processing and space-time adaptive processing with pre-beam forming in elevation plane. A simple method of result comparison for mentioned algorithms is described. The results of computer simulation of the output signal-to-(noise + interference) ratio are also presented. The particular results were obtained for a coherent impulse sequence with mean repetition frequencies.
77-30569/293597 Algorithm of interference space compensation for side-looking airborne radar with phased array
Engineering Education # 01, January 2012
The aim of this work was the development of adaptive algorithm for antenna array (AA) for side-looking airborne radar; the characteristics of this algorithm were independent of reflection from underlying surface, including that from the main lobe of antenna directivity diagram. Proposed algorithm provided an operation of interference canceler of point sources with intensive reflection from local objects in “review” mode, that is the case of restricted time of radio-locating contact between side-looking airborne radar and target. The following investigation methods were used: mathematical synthesis, mathematical simulation. Application domain was the following: adaptive antenna arrays in side-looking airborne radars.
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