tailieunhanh - Báo cáo hóa học: " Research Article Localization Capability of Cooperative Anti-Intruder Radar Systems"

Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Research Article Localization Capability of Cooperative Anti-Intruder Radar Systems | Hindawi Publishing Corporation EURASIP Journal on Advances in Signal Processing Volume 2008 Article ID 726854 14 pages doi 2008 726854 Research Article Localization Capability of Cooperative Anti-Intruder Radar Systems Enrico Paolini 1 Andrea Giorgetti 1 Marco Chiani 1 Riccardo Minutolo 2 and Mauro Montanari2 1 Wireless Communications Laboratory WiLAB Department of Electrical and Computer Engineering DEIS University of Bologna Via Venezia 52 47023 Cesena Italy 2 Thales Alenia Space Italia SPA Land and Joint Systems Division Via E. Mattei 20 66013 Chieti Italy Correspondence should be addressed to Marco Chiani Received 31 August 2007 Revised 7 January 2008 Accepted 26 March 2008 Recommended by Damien Jourdan System aspects of an anti-intruder multistatic radar based on impulse radio ultrawideband UWB technology are addressed. The investigated system is composed of one transmitting node and at least three receiving nodes positioned in the surveillance area with the aim of detecting and locating a human intruder target that moves inside the area. Such systems referred to also as UWB radar sensor networks must satisfy severe power constraints worldwide imposed by for example the Federal Communications Commission FCC and by the European Commission EC power spectral density masks. A single transmitter-receiver pair bistatic radar is considered at first. Given the available transmitted power and the capability of the receiving node to resolve the UWB pulses in the time domain the surveillance area regions where the target is detectable and those where it is not are obtained. Moreover the range estimation error for the transmitter-receiver pair is discussed. By employing this analysis a multistatic system is then considered composed of one transmitter and three or four cooperating receivers. For this multistatic system the impact of the nodes location on area coverage necessary transmitted power and localization uncertainty is studied assuming

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