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      Structural Modeling and Analysis on Dynamic Characteristics

      1 , 1 , 1

      Journal of Radars

      Chinese Academy of Sciences

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          Abstract

          Finite element modeling and structural dynamic characteristics of antenna pedestal in airborne SAR were studied in this paper. The Finite element model of antenna pedestal in airborne SAR was set up on the basis of structural dynamic theory, then, the key technologies of dynamic simulation were pointed out, and the modal analysis and transient analysis were carried out. Simulation results show that the dynamic characteristics of antenna pedestal in airborne SAR can meet the requirements of servo bandwidth and structural strength. The fast finite element modeling and simulation method proposed in this paper are of great significance to the weight reducing design of antenna pedestal in airborne SAR.

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          Author and article information

          Journal
          Journal of Radars
          Chinese Academy of Sciences
          01 June 2012
          : 1
          : 2
          : 203-208
          Affiliations
          [1 ] Beijing Institute of Radio Measuremen
          Article
          893d20812e2f44d79a34ebd897eee6c3

          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

          Remote sensing, Electrical engineering

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