Self-phasing of quadrifilar helix antenna by relative axial displacement of bifilars
Artikel i vetenskaplig tidskrift, 2015

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.

circularly polarized

QHA

self-phasing

helix

Författare

Adil Masoud Qureshi

Institute of Space Technology, Islamabad

Muhammad Amin

Institute of Space Technology, Islamabad

Waqar Ali Shah

Chalmers, Signaler och system

Microwave and Optical Technology Letters

0895-2477 (ISSN) 1098-2760 (eISSN)

Vol. 57 430-432

Ämneskategorier

Atom- och molekylfysik och optik

Elektroteknik och elektronik

DOI

10.1002/mop.28867