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http://dx.doi.org/10.7471/ikeee.2011.15.2.171

Jittered Pulse Repetition Interval Coder Based on M-sequence Codes for Counter-Countermeasure of a Radar  

Pyo, Sun-Oh (Dept. of Electronics Engineering, Myongji University)
Seo, Dong-Sun (Dept. of Electronics Engineering, Myongji University)
Jo, Jun-Yong (HanWha R&D Center)
Lee, Jae-Cheol (HanWha R&D Center)
Publication Information
Journal of IKEEE / v.15, no.2, 2011 , pp. 171-178 More about this Journal
Abstract
In this paper, a novel pulse repetition interval (PRI) jittering coder based on quasi-random M-sequence codes is proposed for improvement of counter-countermeasure capability in a radar. Each of the proposed jittered 256 PRI codes has a unique code chip combination with 256 code chips, such that any set of three consequent code chips (4 pulses) from any code appears only once among the entire code chip sequences of the codes. This indicates that only 4 of received pulses are enough to determine uniquely the exact timing position of the incoming pulse train (or code chip sequence) required for counter-countermeasure, as well as the identity of the transmitted code. To prove the proposed idea experimentally, the jittered PRI coder is implemented and demonstrated.
Keywords
pulse repetition interval modulation; counter-countermeasure; M-sequence code; pulse coder;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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