Results 141 to 150 of about 1,607 (205)

A Dielectric Rod Antenna for Picosecond Pulse Stimulation of Neurological Tissue. [PDF]

open access: yesIEEE Trans Plasma Sci IEEE Nucl Plasma Sci Soc, 2016
Petrella RA, Schoenbach KH, Xiao S.
europepmc   +1 more source

A rotating fast bipolar wind and disk system around the B[e]-type star MWC 922. [PDF]

open access: yesAstron Astrophys, 2019
Sánchez Contreras C   +6 more
europepmc   +1 more source
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Experimental multiport bicone antenna

Frequenz, 2013
AbstractA practical, easily manufactured multiport bicone antenna suitable for many receiving tasks such as direction finding systems can be made by using sharp-edged metal fins on the feeding coax center conductor to provide a tapered transition and connection path to coaxial probes. This construction resembles an arrow's tail.
Ylinen, Juhana, Eskelinen, Pekka
openaire   +4 more sources

A Versatile Multiport Biconical Antenna

Proceedings of the IRE, 1957
This paper describes a multiport, biconical antenna that can be used as a wide-band direction finder or multiplexer. When the antenna is used for reception, incident plane waves excite in the feeding coaxial line both the TEM mode and the orthogonal TE11 mode whose azimuthal orientation depends on the direction of arrival of the signal.
R. Honey, E. T. Jones
openaire   +2 more sources

Biconical Antenna Over Ground Plane

IEEE Transactions on Antennas and Propagation, 2012
A bicone over a finite ground plane is designed that has on average 2.8 dB more gain over a 10:1 band than its free-space counterpart. Metrics are established that enable a better understanding of antenna performance taking into account both the impedance and the radiation pattern. The effects of a finite sized ground plane are explored.
James L. McDonald, Dejan S. Filipovic
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Biconical receiving antenna

Journal of Mathematical Physics, 1982
The modal solution to a biconical receiving antenna with arbitrary arm angles and lengths is presented in the form of sums over special functions; sums which are exact in the sense that no electromagnetic approximations are made. The antenna load is confined within a sphere of small radius centered at the apices of the cones. The analytical formulation
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