Results 241 to 250 of about 1,659 (296)

Design of a 5G millimeter-wave wideband high-gain metamaterial-based antenna. [PDF]

Sci Rep
Osama I, Elhefnawy M, Yahya A.
europepmc   +1 more source

A multifunctional bi-anisotropic metasurface with reflection-transmission polarization conversion and narrow bandpass transmission characteristics. [PDF]

Sci Rep
Nasir M, Koziel S, Pietrenko-Dabrowska A.   +2 more
europepmc   +1 more source

An Enhanced Circularly Polarized Textile Antenna Using a Metasurface and Slot-Patterned Ground for Off-Body Communications. [PDF]

Micromachines (Basel)
Kim YD, Le TT, Yun TY.
europepmc   +1 more source

Design of a Half-Mode Substrate-Integrated Waveguide (HMSIW) Multimode Resonator Bandpass Filter Using the Minkowski Fractal for C-Band Applications. [PDF]

Micromachines (Basel)
Muchhal N, Kumar A, Tewari N, Kalia S, Srivastava S.   +4 more
europepmc   +1 more source

Defected and floating ground structures for vertical interconnects

2009 European Microwave Conference (EuMC), 2009
Defected and floating ground structures for vertical interconnects are investigated up to the E-band. For quasi symmetrical microstrip-to-microstrip (MS-to-MS) transitions the effect of shape and size of ground plane cutouts is studied. In addition, floating ground pads are proposed to enhance the matching of asymmetrical microstrip-to-stripline (MS-to-
Stark, Alexander, Olbert, H., Jacob, Arne F.   +2 more
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Modeling of radiation losses in Defected Ground Structures

2016 IEEE International Conference on Engineering and Technology (ICETECH), 2016
Defected Ground Structures are useful in many microwave applications. It suffers with radiation and scattering losses through defect in the ground plane. This paper addresses the origin and model of such losses with various 3D EM simulations. This model will be useful in engineering the EMI and losses due to DGS and other defect based resonators.
D Kannadassan
exaly   +2 more sources

A novel defected ground structure for planar circuits

IEEE Microwave and Wireless Components Letters, 2006
A new compact defected ground structure (DGS) is proposed for the microstrip line. The structure is compact in microstrip line direction. Here, this DGS is used to design a compact low pass filter (LPF) that is at least 26.3% more compact lengthwise than other reported compact structures and has sharper transition knee.
M.K. Mandal, S. Sanyal
exaly   +2 more sources

Compact Design Method for Planar Antennas with Defected Ground Structures

Electronics (Switzerland), 2023
In this paper, a compact antenna design method is proposed for microstrip patch antennas using a double-layered defected ground structure (DGS) configuration. While a conventional single-layered defected ground structure yields a lower resonant frequency
Won-Sang Yoon, Dal Ahn, Sang-Min Han
exaly   +2 more sources

The Use of Defected Ground Structures in Designing Microstrip Filters with Enhanced Performance Characteristics

Procedia Technology, 2014
Until recently, microstrip filter designs were being done with full metallic ground-plane present on one side of the substrate. The state-of-the-art, however, changed when deliberately created defects in the ground (called Defected Ground Structures or ...
Raghuvir Tomar
exaly   +2 more sources

A general circuit model for defected ground structures in planar transmission lines

IEEE Microwave and Wireless Components Letters, 2005
This paper presents a general circuit model for planar transmission line defected ground structures (DGS) that exhibits multi electromagnetic band gaps or stop bands in frequency responses. The proposed equivalent circuit consists of lumped elements that
Jia-Sheng Hong
exaly   +2 more sources