Volume 7 Issue 2
May  2018
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Article Navigation >  Journal of Radars  > 2018  >  7(2): 183-193
Chen Xiaolong, Chen Baoxin, Huang Yong, Xue Yonghua, Guan Jian. Frequency Diverse Array Radar Signal Processing via Space-Range-Doppler Focus (SRDF) Method[J]. Journal of Radars, 2018, 7(2): 183-193. doi: 10.12000/JR18018
Citation: Chen Xiaolong, Chen Baoxin, Huang Yong, Xue Yonghua, Guan Jian. Frequency Diverse Array Radar Signal Processing via Space-Range-Doppler Focus (SRDF) Method[J]. Journal of Radars, 2018, 7(2): 183-193. doi: 10.12000/JR18018
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Frequency Diverse Array Radar Signal Processing via Space-Range-Doppler Focus (SRDF) Method

DOI: 10.12000/JR18018

  • Naval Aviation University, Yantai 264001, China

Funds:  The National Natural Science Foundation of China (61501487, U1633122, 61471382, 61531020), National Defense Science Foundation (2102024), Scientific Research Development of Shandong (J17KB139), Special Funds of Taishan Scholars of Shandong and Young Elite Scientist Sponsorship Program of CAST (YESS20160115)
  • Received Date: 2018-03-01
  • Rev Recd Date: 2018-04-13
  • Publish Date: 2018-04-28
    Abstract
  • To meet the urgent demand of low-observable moving target detection in complex environments, a novel method of Frequency Diverse Array (FDA) radar signal processing method based on Space-Rang-Doppler Focusing (SRDF) is proposed in this paper. The current development status of the FDA radar, the design of the array structure, beamforming, and joint estimation of distance and angle are systematically reviewed. The extra degrees of freedom provided by FDA radar are fully utilizsed, which include the Degrees Of Freedom (DOFs) of the transmitted waveform, the location of array elements, correlation of beam azimuth and distance, and the long dwell time, which are also the DOFs in joint spatial (angle), distance, and frequency (Doppler) dimensions. Simulation results show that the proposed method has the potential of improving target detection and parameter estimation for weak moving targets in complex environments and has broad application prospects in clutter and interference suppression, moving target refinement, etc..

     

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