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Mainlobe Jammer Nulling via TSI Finders: A Space Fast-Time Adaptive Processor
EURASIP Journal on Advances in Signal Processing volume 2006, Article number: 048789 (2006)
Abstract
An algorithm based on a space fast-time adaptive processor is presented for nulling the mainlobe jammer when the jammer and the target of interest share the same bearing. The computational load involved in the conventional processor, which blindly looks for the terrain-scattered interference (TSI), is required to stack a large number of consecutive range cell returns to form the space fast-time data snapshot making it almost impossible to implement in real time. This issue is resolved via the introduction of a preprocessor (a TSI finder which detects the presence of the minute levels of multipath components of the mainlobe jammer and associated time delays) which directs the STAP processor to select only two desired range returns in order to form the space fast-time data snapshot. The end result is a computationally extremely fast processor. Also a new space fast-time adaptive processor based on the super-resolution approach (eigenvector-based) is presented.
References
Ward J: Space-time adaptive processing for airborn radar. In Tech. Rep. TR1015. MIT Lincoln Laboratory, Lexington, Mass, USA; 1994.
Kogon SM, Holder EJ, Williams DB: Mainbeam jammer suppression using multipath returns. Proceedings of 31st Asilomar Conference on Signals, Systems & Computers, November 1997, Pacific Grove, Calif, USA 1: 279–283.
Seliktar Y, Holder EJ, Williams DB: An adaptive monopulse processor for angle estimation in a mainbeam jamming and coherent interference scenario. Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP '98), May 1998, Seattle, Wash, USA 4: 2037–2040.
Kogon SM, Williams DB, Holder EJ: Exploiting coherent multipath for mainbeam jammer suppression. IEE Proceedings - Radar, Sonar and Navigation 1998, 145(5):303–308. 10.1049/ip-rsn:19982221
Fante RL, Torres JA: Cancellation of diffuse jammer multipath by an airborne adaptive radar. IEEE Transactions on Aerospace and Electronic Systems 1995, 31(2):805–820.
Gabel RA, Kogon SM, Rabideau DJ: Algorithms for mitigating terrain-scattered interference. Electronics & Communication Engineering Journal 1999, 11(1):49–56. 10.1049/ecej:19990108
Schmidt R: Multiple emitter location and signal parameter estimation. IEEE Transactions on Antennas and Propagation 1986, 34(3):276–280. 10.1109/TAP.1986.1143830
Van Trees HL: Optimum Array Processing, Part IV of Detection, Estimation, and Modulation Theory. John Wiley & Sons, New York, NY, USA; 2002.
Madurasinghe D: Performance analysis of an airborne high PRF phased array radar in a jamming environment. Proceedings of International Conference on Radar, September 2003, Adelaide, SA, Australia 323–326.
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Madurasinghe, D., Shaw, A.P. Mainlobe Jammer Nulling via TSI Finders: A Space Fast-Time Adaptive Processor. EURASIP J. Adv. Signal Process. 2006, 048789 (2006). https://doi.org/10.1155/ASP/2006/48789
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DOI: https://doi.org/10.1155/ASP/2006/48789