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      A Design Method of Four-phase-coded OFDM Radar Signal Based on Bernoulli Chaos

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          Abstract

          Orthogonal Frequency-Division Multiplexing (OFDM) radar is receiving increasing attention in the radar field in recent years and is showing excellent performance. However, for practical applications, there are several problems with phase-coded OFDM radar, such as the existence of few good codes, limited length capability, and a high Peak-to-Mean-Envelope Power Ratio (PMEPR). To address those problems, in this paper, we propose a design method for a four-phase-coded OFDM radar signal based on Bernoulli chaos, which can construct codes of arbitrary amounts and lengths and demonstrate more agility and flexibility. By adopting original phase weighting, this method can obtain a chaotic four-phase-coded OFDM signal with a PMEPR less than two. This signal has excellent performance with respect to high resolution and Doppler radar application.

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          Author and article information

          Journal
          Journal of Radars
          Chinese Academy of Sciences
          01 August 2016
          : 5
          : 4
          : 361-372
          Affiliations
          [1 ] College of Electronic Science and Engineering, NUDT, Changsha 410073, China
          Article
          88e817053a7543f88342ef2643c5bb0d
          10.12000/JR16050

          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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