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Self-phasing of quadrifilar helix antenna by relative axial displacement of bifilars

Adil Masoud Qureshi ; Muhammad Amin ; Waqar Ali Shah (Institutionen för signaler och system)
Microwave and optical technology letters (0895-2477). Vol. 57 (2015), 2, p. 430-432.
[Artikel, refereegranskad vetenskaplig]

Self-phasing can be achieved in a quadrifilar helix antenna (QHA) by displacing one of the bifilars along the axis of the helix, yielding a circularly polarized cardioid shaped pattern. Impedance bandwidth of 10% (2105-2345 MHz) has been achieved with Front to back ratio greater than 10 dB.

Nyckelord: QHA, helix, self-phasing, circularly polarized

Denna post skapades 2015-09-28.
CPL Pubid: 223265


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Institutionen för signaler och system (1900-2017)


Elektroteknik och elektronik

Chalmers infrastruktur