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- W4322008900 abstract "—The fluctuation in the input impedance of a QuadrifilarHelix Antenna (QHA) vs the height of a perfect conductingground plane (PEC) is examined in this study. The findings revealthat when the height of the ground plane changes from 0.05 to 1.0,the actual component of the input impedance varies the most (44to 50 in simulations and 41 to 52 in measurements). The changein the actual component of QHA input impedance from 0.3 to 1.0is small (varies between 48 and 50.6 in simulations and 48 to 52in measurements). The imaginary component of input impedance,on the other hand, varies between -10 and 0 in simulations and 7and 0 in measurements and is inconsequential at the height of 0.3(varies between -2.0 and 0.2 in simulations and 3 to 0 inmeasurements). The fairly consistent input impedance of QHAwith regard to ground plane height was examined further withhorizontal dipole and rectangular loop with varied orientations.Variations in input impedance (real and imaginary component)are greatest for horizontal dipole (HD) and horizontal andperpendicular loops as height goes from 0.05 to 1.0. (H&PL). Thedifferences are minor for the other two orientations, vertical loop(VL) and horizontal and parallel loop (H&||L). However, QHAhas the lowest fluctuations in input impedance from its meanvalue, making it ideal for situations where the antenna must belocated above a ground plane, such as satellite platforms or aerialplatforms." @default.
- W4322008900 created "2023-02-26" @default.
- W4322008900 creator A5014239873 @default.
- W4322008900 date "2023-02-24" @default.
- W4322008900 modified "2023-10-17" @default.
- W4322008900 title "Ground Plane Influence on Quadrifilar Helix Antenna Input Impedance" @default.
- W4322008900 doi "https://doi.org/10.31219/osf.io/mjsf7" @default.
- W4322008900 hasPublicationYear "2023" @default.
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