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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2009-10-20
Synthesis of Thinned Planar Circular Array Antennas Using Modified Particle Swarm Optimization
By
Narendra Nath Pathak,

    Dr. Narendra Nath Pathak

    Department of Electronics and Communication Engineering

    Dr. B.C Roy Engineering College Durgapur

    India

    Homepage

Gautam Mahanti,

    Dr. Gautam Mahanti

    Department of Electronics and Communication Engineering

    National Institute of Technology

    India

    Homepage

Shashank K. Singh,

    Dr. Shashank K. Singh

    Department of Electronics and Communication Engineering

    National Institute of Technology

    India

    Homepage

Jitendra Kumar Mishra,

    Dr. Jitendra Kumar Mishra

    Department of Electronics and Communication Engineering

    National Institute of Technology

    India

    Homepage

Ajay Chakraborty

    Professor Ajay Chakraborty

    Department of Electronics and Electrical Communication Engineering

    Indian Institute of Technology

    India

    Homepage

Progress In Electromagnetics Research Letters, Vol. 12, 87-97, 2009
doi:10.2528/PIERL09090606 | Google Scholar

Abstract
In this paper, the authors present an optimization method based on modified Particle Swarm Optimization (PSO) algorithm for thinning large multiple concentric circular ring arrays of uniformly excited isotropic antennas that will generate a pencil beam in the vertical plane with minimum relative side lobe level (SLL). Two different cases have been studied, one with fixed uniform inter-element spacing and another with optimum uniform inter-element spacing. In both the cases, the number of switched off elements is made equal to 220 or more. The half-power beam width of the synthesized pattern is attempted to make equal to that of a fully populated array with uniform spacing of 0.5 λ. Simulation results of the proposed thinned arrays are compared with a fully populated array to illustrate the effectiveness of our proposed method.
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Citation
Narendra Nath Pathak, Gautam Mahanti, Shashank K. Singh, Jitendra Kumar Mishra, and Ajay Chakraborty, "Synthesis of Thinned Planar Circular Array Antennas Using Modified Particle Swarm Optimization," Progress In Electromagnetics Research Letters, Vol. 12, 87-97, 2009.
doi:10.2528/PIERL09090606
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