Radiation pattern and beamforming of a two dimensional pulsed FDA array

Document Type : Original Article

Author

Malek Ashtar University of Technology

Abstract

Unlike conventional phased arrays that produce an angle-dependent radiation pattern, frequency diverse arrays (FDA) generate a radiation pattern dependent on the range, angle, and time, which results in the use of a frequency offset instead of the phase shift along the array. In recent years, a lot of research has been carried out on this topic, and various frequency arrangements, both linear and nonlinear, have been proposed which mainly use continuous waves to excite elements of array. In this paper, we use pulses instead of continuous waves, to stimulate the array elements, and we extend the array geometry to two dimensions, and we plot its radiation pattern for different times. The beam is formed and focused on a specific point by applying a coefficient weighting in the array.    

Keywords


   [1]      P. Antonik, M. C. Wicks, H. D. Griffiths, and C. J. Baker, “Frequency diverse array radars,” IEEE Conference on Radar, pp. 24-27, April 2006.##
   [2]      P. F. Sammartino, C. J. Baker, ‘The frequency diverse bistatic system’. Proc. Fourth Waveform Diversity & Design Conf., Orlando, FL, pp. 155–159, February 2009##
   [3]      P. F. Sammartino, C. J. Baker, and H. D. Griffiths, “Frequency Diverse MIMO Techniques for Radar,” In IEEE Transactions on Aerospace and Electronic Systems, vol. 49, no. 1, pp. 201-222, Jan. 2013.##
   [4]      Y. Xu, X. Shi, J. Xu, et al., ‘Range-angle-dependent beamforming of pulsed frequency diverse array’, IEEE Trans. Antennas Propag. ,pp. 3262–3267, July 2015,##
   [5]      Jingjing Huang, Kin-Fai Tong, Karl Woodbridge, and Chris Baker. "Frequency diverse array Simulation and design." In Radar Conference, 2009 IEEE, pp. 1-4. IEEE, 2009##
   [6]      Jones, M. Aaron, and D. Rigling  Brian, "Planar frequency diverse array receiver architecture." In Radar Conference (RADAR), 2012 IEEE, pp. 0145-0150. IEEE, 2012.##
   [7]      Wasim Khan, Ijaz Mansoor Qureshi, Abdul Basit, and Waseem Khan. "Range-Bins-Based MIMO Frequency Diverse Array Radar With Logarithmic Frequency Offset." IEEE Antennas and Wireless Propagation Letters 15 (2016): 885-888##
   [8]      Wang, Yuxi, Wei Li, Guoce Huang, and Jinliang Li. "Time Invariant Range-Angle-Dependent Beampattern Synthesis for FDA Radar Targets Tracking." IEEE Antennas and Wireless Propagation Letters 16 pp.2375-2379, 2017.##
   [9]      Paul. Antonik, "An investigation of a frequency diverse array." PhD diss., UCL (University College London), 2009.##
[10]      Jingjing Huang, "Frequency diversity array: theory and design." PhD diss., UCL (University College London), 2010.##
[11]      Alper Aytun, "Frequency diverse array radar." PhD diss., Monterey, California. Naval Postgraduate School, 2010.##
[12]      S. Rastgar Kisomi, S. H. Mohseni Armaki, A. J. Rashidi, M. Fallah, "Single Dot-Shaped Radiation Pattern Using Frequency Diverse" Journal of Applied Electromagnetics, Vol. 4, No. 1, 2016, (In persian).##
Volume 8, Issue 1 - Serial Number 20
September 2020
Pages 9-16
  • Receive Date: 26 September 2018
  • Revise Date: 15 December 2019
  • Accept Date: 01 January 2020
  • Publish Date: 22 August 2020