Design of a Corrugated Metallic Periodic Leaky Wave Antenna with Constant Depth and Variable Width in the X_band Frequency

Document Type : Original Article

Authors

1 imam hossein university

2 -

Abstract

In this paper, we discuss how to create an artificial surface impedance in the leaky wave antenna. The main topic of this article is how to calculate and create surface impedance in all-metal corrugated periodic leaky wave antennas with constant depth and variable width. The result of the design of corrugated periodic leaky wave antennas with constant depth and variable width is the presentation of an antenna that can rotate the main beam in the desired bearing angle with surface impedance modulation (in this paper equal to +30°). Considering the leaky wave antenna struc nture with the ability to radiate multi beams at different angles simultaneously, single mode radiation and one-way propagation methods are also presented. As the proposed leaky wave antenna has the beam rotation capability by changing its operation frequency, main beam rotation with frequency sweep is also investigated. With 8-10 GHz frequency sweep the main beam angle can rotate from -5° to +30°.

Keywords

References

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Applied Electromagnetics
Volume 8, Issue 1 - Serial Number 20
September 2020
Pages 35-44

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History

  • Receive Date: 03 November 2019
  • Revise Date: 28 December 2019
  • Accept Date: 14 June 2020

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