Aperture illumination control in radial line slot antennas
A radial line slot antenna (RLSA) is a high gain and high efficiency planar array. A single-
layered RLSA is much simple in structure but the slot length must be varied to synthesize …
layered RLSA is much simple in structure but the slot length must be varied to synthesize …
Characteristics of small-aperture, single-layered, radial-line slot antennas
A radial-line slot antenna (RLSA) is a high-efficiency planar array. A double-layered radial
line and uniform slot length have been adopted in conventional RLSAs. A single-layered …
line and uniform slot length have been adopted in conventional RLSAs. A single-layered …
Low sidelobes for radial line slot antennas
M Takahashi, Y Nakagawa… - … and Communications in …, 1997 - Wiley Online Library
A radial line slot antenna (RLSA) is a slotted waveguide planar array proposed for DBS
subscriber antennas. Its predicted conductor loss is almost negligible. The RLSA has …
subscriber antennas. Its predicted conductor loss is almost negligible. The RLSA has …
Slot design of a concentric array radial line slot antenna with matching slot pairs
M Ueno, S Hosono, M Takahashi… - IEICE transactions on …, 1996 - search.ieice.org
A radial line slot antenna (RLSA) is a high efficiency and high gain planar antenna. The
efficiency of RLSA becomes lower as the aperture size reduces due to rotational asymmetry …
efficiency of RLSA becomes lower as the aperture size reduces due to rotational asymmetry …
Dual circularly polarized radial line slot antennas
M Takahashi, M Ando, N Goto… - … on Antennas and …, 1995 - ieeexplore.ieee.org
A radial line slot antenna (RLSA) is a circularly polarized high efficiency planar array. Two
types of RLSAs, a single-layered and a double-layered one, have been released …
types of RLSAs, a single-layered and a double-layered one, have been released …
Measured performances of a wide band radial line slot antenna
A radial line slot antenna (RLSA) is a planar antenna for DBS reception. It is a kind of slotted
waveguide array. The conductor losses are so small that high efficiency is expected …
waveguide array. The conductor losses are so small that high efficiency is expected …
Basic design of beam tilting radial line slot antennas
M Takahashi, M Yoshiie, M Abe - IEEE Antennas and …, 1995 - ieeexplore.ieee.org
A radial line slot antenna (RLSA) is a slotted waveguide planar array proposed for DBS
subscriber antennas. The predicted conductor loss of the RLSA is almost negligible. A single …
subscriber antennas. The predicted conductor loss of the RLSA is almost negligible. A single …
A slot design for uniform aperture field distribution in single-layered radial line slot antennas
A single-layered radial line slot antenna (RLSA) is proposed for a direct broadcast from a
satellite (DBS) subscriber antenna. It utilizes a radially outward-traveling wave and the …
satellite (DBS) subscriber antenna. It utilizes a radially outward-traveling wave and the …
A radial line slot antenna for DBS reception
M Ando, H Sasazawa, S Nishikata… - 1988 18th European …, 1988 - ieeexplore.ieee.org
A Radial Line Slot Antenna (RLSA) is a novel planar array. This paper discusses the key
design of RLSA, that is, the suppression of reflection in the antenna and the slot coupling …
design of RLSA, that is, the suppression of reflection in the antenna and the slot coupling …
A radial line slot antenna for an elliptical beam
T Nguyen, H Ueda, J Hirokawa… - IEEE Transactions on …, 2012 - ieeexplore.ieee.org
A radial line slot antenna (RLSA) with a quasi-elliptical aperture to create an elliptical beam
is discussed in this paper. A simple feeding structure consisting of a coaxial feeder and two …
is discussed in this paper. A simple feeding structure consisting of a coaxial feeder and two …