Monopole Antenna Radar Cross Section Reduction with Plasma Helix

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Khadir Mohsen; Forooraghi Keyvan; Atlasbaf Zahra

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Journal Paper

Paper Information

Journal: JOURNAL OF ELECTRICAL AND COMPUTER ENGINEERING INNOVATIONS Year:2017 | Volume:5 | Issue:1 Page(s): 37-41

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Title

Monopole Antenna Radar Cross Section Reduction with Plasma Helix

Author(s)

Khadir Mohsen | Forooraghi Keyvan | Atlasbaf Zahra | Issue Writer Certificate

Keywords

Radar cross section

Plasma

Collision frequency

Abstract

In this paper, a new method for Radar cross section reduction of a monopole antenna is proposed. In this method, a Plasma helix like fluorescent bulbs is placed around the antenna element. The selected Plasma parameter for this medium acts as an absorber without disturbing the antenna performance. The simulations show that Radar cross section of simulated antenna is reduced in a wide frequency range. In this paper, the Plasma parameter is chosen in such a way that reduces RCS at 4GHz. At this frequency, the Radar cross section reduction is about 10dBsm. Due to the frequency dependent of the Plasma medium, the Plasma parameter must be changed for better result in the other frequencies. This change can be performed electrically without any change in the antenna structure. In this simulation, a PEC rode with 3cm diameter and 15cm height is chosen for the monopole antenna element. This monopole antenna resonates at 630 MHz. After placing the Plasma helix around the antenna element, there is no significant change in the antenna performance.

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APA: Copy

Khadir, Mohsen, Forooraghi, Keyvan, & Atlasbaf, Zahra. (2017). Monopole Antenna Radar Cross Section Reduction with Plasma Helix. JOURNAL OF ELECTRICAL AND COMPUTER ENGINEERING INNOVATIONS, 5(1), 37-41. SID. https://sid.ir/paper/350057/en

Vancouver: Copy

Khadir Mohsen, Forooraghi Keyvan, Atlasbaf Zahra. Monopole Antenna Radar Cross Section Reduction with Plasma Helix. JOURNAL OF ELECTRICAL AND COMPUTER ENGINEERING INNOVATIONS[Internet]. 2017;5(1):37-41. Available from: https://sid.ir/paper/350057/en

IEEE: Copy

Mohsen Khadir, Keyvan Forooraghi, and Zahra Atlasbaf, “Monopole Antenna Radar Cross Section Reduction with Plasma Helix,” JOURNAL OF ELECTRICAL AND COMPUTER ENGINEERING INNOVATIONS, vol. 5, no. 1, pp. 37–41, 2017, [Online]. Available: https://sid.ir/paper/350057/en

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