Title :
Resonant quadrafilar helix
Author_Institution :
Johns Hopkins University, Silver Spring, MD, USA
fDate :
5/1/1969 12:00:00 AM
Abstract :
The radiation of the resonant, fractional-turn, quadrafilar helix is shown to be cardioid shaped and circularly polarized regardless of axial length and diameter. Measured and calculated data relate the radiation pattern characteristics and geometrical parameters.
Keywords :
Helical antennas; Cardiology; Degradation; Dipole antennas; Feeds; Microwave antenna arrays; Polarization; Receiving antennas; Resonance; Scattering; Shape;
Journal_Title :
Antennas and Propagation, IEEE Transactions on
DOI :
10.1109/TAP.1969.1139459
