Communications: radio wave antennas – Antennas – Wave guide type
Patent
1994-12-21
1996-01-23
Hajec, Donald T.
Communications: radio wave antennas
Antennas
Wave guide type
343785, 343797, H01Q 1300
Patent
active
054868378
ABSTRACT:
A compact microwave antenna suitable of printed-circuit fabrication is comprised of a non-radiating guided wave structure for supporting the propagation of captured surface-guided waves; a series of dipoles in proximity to the guided waves supported by the non-radiating guided wave structure, wherein such dipoles are excited by the guided waves, thereby generating a desired radiation field, wherein the dipoles are independent of electrical transmission lines, and wherein the length and spacing of the dipoles are selected to achieve a desired angle of radiation from the surface of the non-radiating guided wave structure and a desired radiation frequency; and excitation means, in communication with the non-radiating guided wave structure, for exciting the reactive medium with electromagnetic waves to generate the captured surface-guided waves.
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John Huang, "A Ka-Band Circularly Polarized High-Gain Microstrip Array Antenna" IEEE Transactions on Antennas and Propagation, Vo. 43, No. 1, Jan. 1995.
Hajec Donald T.
Ho Tan
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