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- W4322008839 abstract "The quadrifilar helix antenna (QHA) is used in satellite communications. Theperformance optimization of QHA input and radiation characteristics in the presenceof infinite and finite metallic ground planes is presented in this study. It has beendiscovered that for the infinite ground plane, input characteristics such as impedanceand voltage standing wave ratio (VSWR) are stable, and the antenna has a widerhalf power beamwidth (HPBW). Smaller metallic platforms that serve as finiteground planes result in higher 3dB axial ratio beamwidth and boresight axial ratio.The use of QHA on smaller metallic platforms, such as nanosatellites and CubeSats,enhances its circularly polarised beamwidth and boresight axial ratio. On large lowearth orbit (LEO) satellites, however, steady input characteristics and a widerHPBW have been achieved at the expense of a small circularly polarised beamwidthand a decreased boresight axial ratio." @default.
- W4322008839 created "2023-02-26" @default.
- W4322008839 creator A5014239873 @default.
- W4322008839 date "2023-02-24" @default.
- W4322008839 modified "2023-09-27" @default.
- W4322008839 title "Ground plane impact on quadrifilar helix antenna performance with respect to deployment heights" @default.
- W4322008839 doi "https://doi.org/10.31219/osf.io/4avd3" @default.
- W4322008839 hasPublicationYear "2023" @default.
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