Circular microstrip antenna excited with higher order transverse magnetic (TM) modes generates circularly polarized, conical radiation patterns. Found both theoretically and experimentally that peak direction of radiation pattern is varied within wide angular range by combination of mode selection and loading substrate with materials of different dielectric constants.
Microstrip Antenna Generates Circularly Polarized Beam
NASA Tech Briefs ; 10 , 1
1986-07-01
Miscellaneous
No indication
English
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