slotted waveguide


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slotted waveguide

[′släd·əd ′wāv‚gīd]
(electromagnetism)
References in periodicals archive ?
Mitsubishi Electric Corporation (TOKYO:6503) has announced that it has developed a slotted waveguide array antenna made of injection-molded resin which have been demonstrated to outperform conventional patch array antenna in side-lobe characteristics, cross-polarization characteristics and electric power efficiency, as well as offer reduced weight and cost, the company said.
Mitsubishi Electric Corporation announced that it has developed a slotted waveguide array antenna made of injection-molded resin which have been demonstrated to outperform conventional patch array antenna in side-lobe characteristics, cross-polarization characteristics and electric power efficiency, as well as offer reduced weight and cost.
Particularly, the slotted waveguide antenna arrays (SWAAs) present an excellent compromise among cost, complexity, and performance in terms of coverage.
A novel circularly polarized patch array [6] fed by a slotted waveguide is proposed.
,N, [r.sub.i], [r.sub.o]) are the dense matrices from the first integral equation established at the inner surface of the radome and surfaces of all slotted waveguides, [mathematical expression not reproducible] and [mathematical expression not reproducible] are the dense matrices from the second integral equation established at the outer surface of the radome, [R.sub.m] and [R.sub.r] denotes the projection Boolean matrix between the local BI degrees of freedom (DOFs) and the local FEM degrees of freedom (DOFs) of the mth slotted waveguide and radome, respectively.
Goto, "Matching-slot pair for a circularly polarized slotted waveguide array," IEE Proc.
One potential implementation of CLAS for Ground Moving Target Indicator (GMTI)/Synthetic Aperture Radar (SAR) radar is Slotted Waveguide Antenna Stiffened Structure (SWASS) [11].
In terms of waveguide electrodynamics, this problem can be reformulated as an excitation problem of a slotted waveguide radiator with a conducting spherical flange.
For illustrative purpose, a small linear array well known in the literature, namely, a slotted waveguide array, is assumed as a test structure.
Assuming most readers do not have a thorough knowledge of electromagnetics or antenna theory, he covers the history of radiation and antennas and antenna parameters; design of a four-element, linear, broadside, microstrip patch array antenna; the linear endfire array antenna; the linear phased array antenna; the frequency scanned slotted waveguide array antenna; special array antenna configurations; and array and phased array antenna measurement.
Mechanically scanned antennas using flat-plate arrays of slotted waveguide are used today throughout the world for this type of radar.