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      Range-angle Decoupled Transmit Beamforming with Frequency Diverse Array (in English)

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          Abstract

          It has been shown that Frequency Diverse Arrays (FDA) exhibit a range-angle dependent beam steering feature by employing a uniform frequency increment across the array elements. However, this beam pattern generates maxima at multiple range values, possibly leading to loss of signal-to-interference-plus-noise ratio when the interferences are located at any of the maxima. Herein, we prove that the beam pattern of FDA is range-periodic and propose the basic criteria for the FDA configuration to decouple the range and angle. In an illuminated space, a single-maximum beam pattern can be obtained by configuring the frequency increment between the elements. Specific examples have been discussed herein, and the simulation results verify the proposed theory.

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          Author and article information

          Journal
          Journal of Radars
          Chinese Academy of Sciences
          01 April 2018
          : 7
          : 2
          : 212-219
          Affiliations
          [1 ] (National Laboratory of Radar Signal Processing, Xidian University, Xi’an 710071, China)
          Article
          de0c788106254b95a058453945c9bedf
          10.12000/JR16113

          This work is licensed under a Creative Commons Attribution 4.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

          Categories
          Technology (General)
          T1-995

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