The Flat-Topped Pattern Synthesis of the Multi-Feed Reflector Antenna

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ARYANIAN I.; Amini M. H.

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Journal Paper

Paper Information

Journal: JOURNAL OF RADAR Year:2021 | Volume:9 | Issue:1 Page(s): 17-23

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Information Journal Paper

Title

The Flat-Topped Pattern Synthesis of the Multi-Feed Reflector Antenna

Author(s)

ARYANIAN I. | Amini M. H. | Issue Writer Certificate

Keywords

Multi-Feed Reflector Antenna

Flat-Topped Pattern

Physical Optic

Abstract

Numerous researches have been performed on the reflector antenna for realizing beam-shaping using level-shaping. However, little study has been done for realizing the shaped beam through the multi-feed approach. The main goal of this paper is to provide a synthesis procedure for realizing the Flat-Topped Pattern in reflector antennas using the multi-feed approach. In this way, based on the genetic algorithm (GA) and utilizing the Physical Optic (PO) method, the excitation coefficient of the feeding array is synthesized to achieve the desired pattern. Furthermore, in this paper, an efficient method for reducing the computational time of PO integrals is introduced. In this way, the 3D PO integrals are mapped to 2D integrals; which results in about 30% computational time reduction. The proposed procedure is employed to realize a Flat-Topped Pattern in the angular scope of-20o to +20o and the radiation characteristics are compared with those presented through the shaped reflector method in the literature. Results show that the multi-feed approach obtains the desired beam more accurately.

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APA: Copy

ARYANIAN, I., & Amini, M. H.. (2021). The Flat-Topped Pattern Synthesis of the Multi-Feed Reflector Antenna. JOURNAL OF RADAR, 9(1 ), 17-23. SID. https://sid.ir/paper/963959/en

Vancouver: Copy

ARYANIAN I., Amini M. H.. The Flat-Topped Pattern Synthesis of the Multi-Feed Reflector Antenna. JOURNAL OF RADAR[Internet]. 2021;9(1 ):17-23. Available from: https://sid.ir/paper/963959/en

IEEE: Copy

I. ARYANIAN, and M. H. Amini, “The Flat-Topped Pattern Synthesis of the Multi-Feed Reflector Antenna,” JOURNAL OF RADAR, vol. 9, no. 1 , pp. 17–23, 2021, [Online]. Available: https://sid.ir/paper/963959/en

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