Title :
Adaptive Beamforming Passive Radar Based on FM Radio Transmitter
Author :
Jiabing, Zhu ; Yi, Hong ; Liang, Tao
Author_Institution :
East China Res. Inst. of Electron. Eng.
Abstract :
Target detection by non-cooperative illuminator is a study hotspot in electronic warfare field, with ´four countering´ potential advantages for passive radar. First of all, direct path interference (DPI) suppression which is the technique bottleneck of moving target detection by non-cooperative FM radio transmitter is analyzed in this paper. Secondly, a space-time-frequency domain synthetic solution to this problem is introduced: adaptive nulling array processing is employed in space domain; DPI cancellation based on adaptive fractional delay interpolation (AFDI) technique is used in time domain; additionally, coherent integration is utilized. Finally, an experimental system is schemed by regarding FM radio transmitter as non-cooperative illuminator, simulation results by real collected data show applying this method is effective in moving target detection
Keywords :
FM radar; array signal processing; interference suppression; passive radar; radar detection; radar interference; radar transmitters; time-frequency analysis; AFDI technique; DPI suppression; FM radio transmitter; adaptive fractional delay interpolation; adaptive nulling array processing; direct path interference; electronic warfare field; moving target detection; passive radar; space-time-frequency domain synthetic solution; Array signal processing; Bistatic radar; Delay; Equations; Passive radar; Radar antennas; Radar detection; Radio transmitters; Receiving antennas; Transmitting antennas; FM radio transmitter; adaptive beamforming(ADBF); directpath interfernce(DPI); passive radar;
Conference_Titel :
Radar, 2006. CIE '06. International Conference on
Conference_Location :
Shanghai
Print_ISBN :
0-7803-9582-4
Electronic_ISBN :
0-7803-9583-2
DOI :
10.1109/ICR.2006.343587