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NASA Technical Memorandum 104467. AIAA-91-3422. Coplanar Waveguide Feeds for. Phased Array Antennas. Rainee N. Simons. Sverdrup Technology, Inc. Lewis Research Center Group. Brook Park, Ohio and. Richard Q. Lee. National Aeronautics and Space Administration. Lewis Research Center. Cleveland, Ohio.
ABSTRACT: A bow-tie slot antenna with tapered connection to a 50? coplanar waveguide. (CPW) feed line is introduced and its dimensional parameters have been studied for wideband operations in the X-band. A set of two element bow-tie slot antennas fed by one CPW is also introduced for wider bandwidth and
antennas. And this design uses a shape of the annular umbrella · to substantially increase the bandwidth. Its impedance · bandwidth is from 1.1 GHz to 9.6 GHz. The antenna feed · through coplanar waveguide. And its structure is simple and · integration is easy. In addition, the HFSS simulation results · show that this kind of
Feb 27, 1991 ABSTRACT. A microstrip antenna fed by a coplanar waveguide is investigated using a full-wave analysis based on the method of moments in the spectral domain. The surface current density on the microstrip an- tenna and the field distribution in the slots of the coplanar wave- guide are represented by
Abstract— A method for analyzing and designing the slot antenna array excited by a coplanar waveguide (CPW) is pre- sented. The slots are etched on the conducting plane of the CPW and placed in the direction perpendicular to the transmission line. Moment-method analysis and matrix-pencil approach are adopted to
A coplanar waveguide is a type of electrical planar transmission line which can be fabricated using printed circuit board technology, and is used to convey microwave-frequency signals. On a smaller scale, coplanar waveguide transmission lines are also built into monolithic microwave integrated circuits. Conventional
Abstract—A new design of a broadband circularly polarized square slot antenna fed by a single coplanar waveguide (CPW) is proposed and exper- imentally studied. The proposed broadband circular polarization (CP) op- eration is achieved by protruding a T-shaped metallic strip from the ground plane toward the slot
Abstract— Four types of coupling slots on the coplanar waveguide (CPW) are studied and their effects on resonance frequency and bandwidth of microstrip antennas are simulated by the finite-difference time domain (FDTD) method. The simulation results are explained by the near field distributions. Feeding characteristics
A coplanar waveguide (CPW) loop is shown to be an effective low VSWR feed for microstrip antennas. The low VSWR transition between the CPW and the antenna.
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