Title :
Inter-channel CFAR detector
Author_Institution :
Inst. of Aurel Stodola, Univ. of Zilina, Žilina, Slovakia
Abstract :
In multichannel pulse Doppler surveillance radars, parallel signal processing is used in several time - spatial channels, i.e. range-azimuth-elevation. Time-spatially differenced data give radar output picture about targets existence, position and moving parameters. A data fusion center synthesizes differenced channels data to provide continuous reliable tracking and displaying. Targets move over flying area across time-spatially channels, including “null“ space occurring between antenna beams. The concept of non-coherent inter-channel statistical CFAR detection based on antenna beam forming is introduced in this paper to obtain continuous inter-channel even-detection output.
Keywords :
Doppler radar; array signal processing; radar antennas; radar detection; radar signal processing; radar tracking; search radar; sensor fusion; statistical analysis; target tracking; Interchannel CFAR detector; antenna beamforming; constant false alarm rate; continuous interchannel even-detection output; data fusion center; flying area; moving paramete; multichannel pulse Doppler surveillance radar; noncoherent interchannel statistical CFAR detection; null space; parallel signal processing; range-azimuth-elevation; target existence; target movement; target position; time-spatial channel; time-spatially differenced data; Clutter; Demodulation; Detectors; Radar; Radar antennas; Signal to noise ratio; CFAR detection; multi-beam radar;
Conference_Titel :
ELEKTRO, 2012
Conference_Location :
Rajeck Teplice
Print_ISBN :
978-1-4673-1180-9
DOI :
10.1109/ELEKTRO.2012.6225604