Volume 27 Issue 2
Feb.  2001
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LI Chao-wei, . Design of Log-periodic Dipole Antenna Using Genetic Algorithms[J]. Journal of Beijing University of Aeronautics and Astronautics, 2001, 27(2): 142-145. (in Chinese)
Citation: LI Chao-wei, . Design of Log-periodic Dipole Antenna Using Genetic Algorithms[J]. Journal of Beijing University of Aeronautics and Astronautics, 2001, 27(2): 142-145. (in Chinese)

Design of Log-periodic Dipole Antenna Using Genetic Algorithms

  • Received Date: 03 Nov 1999
  • Publish Date: 28 Feb 2001
  • The history of the development in theory of log-periodic dipole antenna (LPDA) and the basic design method used here are briefly presented.After showing steps in the optimization using the genetic algorithm (GA) in details,the application of designing LPDA with genetic algorithm is discussed.The application of GA simplifies the procedure in LPDA design greatly,it displays unique benefit in solving the similar questions.Finally,examples of LPDA design covering 0.1~1 GHz are given,and get good results.Meanwhile, the method of how to choose the optimized variables and objective function in solving the practical questions is discussed.Then, the differences of antenna performances between using matched end and short line end in practical use are shown,and the explanation of such results is given.

     

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