high-relative permittivity substrate
A PIN-Loaded Microstrip Patch Antenna with the Ability to Suppress Surface Wave Excitation
... of high-precision GPS receivers by causing low-angle interfering signals [5, ...a high number of shorting ...for high-precision GPS receivers ...dielectric substrate, as depicted in ...
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Ultra-Compact Metamaterial Absorber with Low-Permittivity Dielectric Substrate
... a substrate of high dielectric constant [28] and a two-layer design ...a substrate with relative permittivity r = 100 which is of high-cost and difficult to be fabricated in ...
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Material-Loaded High Q-Factor Slot Resonator and Measurement of Relative Permittivity
... The geometric configuration of the proposed ground plane slot resonator is shown in Fig. 1. The structure consists of a 50 Ω microstrip line on the top layer and a rectangular slot is etched in the ground plane of ...
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Dielectric Slab Mode Antenna for Integrated Millimeter wave Transceiver Front ends
... lower permittivity. Most other integrated antennas perform poor on high permittivity substrates due to field trapping effects, so that the slab mode antenna provides an ...to relative thick ...
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How To Make A Microprocessor Based Microprocessor From A Microchip
... and Substrate Anisotropy on the Permittivity Values Required for Accurate Modeling of High Frequency Planar Circuits" which was featured in a publication ...
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Perforated Nanoantenna Reflectarray
... Abstract—This paper presents a design of perforated nanoantenna reflectarray. The use of metallic nanostructures made of Silver and/or Gold at appropriate wavelength cause fascinating unusual electromagnetic effects. ...
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Analysis of Multilayer Stacked Microstrip Patch Antenna for Bandwidth Enhancement
... Microstrip antennas are in greater demands in wireless communication and space applications because of small size, low weight. The microstrip antennas possess the shortcomings such as narrow bandwidth, low gain and poor ...
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EFFECTS OF GAMMA IRRADIATION ON ELECTRICAL PROPERTEIS OF POLYVINYL CHORIDE (PVC) SAMPLESAbdelnabi Ali Elamin*1, Mohammad Hbeeb Ahmad Elkanzi2, Elfatih Ahmed Hassan3, Bashir Elhaj Ahamed4 and Ali Sulaiman Mohammad5
... the relative dielectric constant and relative permittivity, these properties are dependent on the chemical composition of the dielectric, they usually suffer degradation after electrical ...
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Broadband Feed for Low Cross Polarization Uniplanar Tapered Slot Antennas on Low Permittivity Substrate
... A broadband feeding technique for the uniplanar TSA on low-permittivity substrate is presented. With a substrate permittivity of 2.2 it is possible to establish a good trade- off between ...
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Modified GiusepePeano fractal monopole planar antenna Design for Wireless Application
... In 1970, Dr B. Mandelbrot coined the term Fractal. Fractal symbolises broken or irregular fragments. He investigated the relationship between fractals and nature using discoveries made by Gaston Julia, Pierre Fatou, and ...
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Circularly Polarized Cross-Slot-Coupled Stacked Dielectric Resonator Antenna for Wireless Applications
... constant values. Hence, stacking alignment issue does not impose a problem. Also, antenna’s impedance and axial ratio bandwidth values are significantly higher than the results presented in [1]. In other words, with the ...
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STUDIES ON STRUCTURAL PROPERTIES OF THE BINARY MIXTURES OF PHARMACEUTICAL INTERMEDIATES THROUGH DIELECTRIC INVESTIGATIONS
... the permittivity at optical frequency, m , which was by square of the refractive Index for sodium D- line, for ester – amine mixtures, are used to evaluate Kirkwood linear correlation factor, excess ...
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Approaches for High Permittivity in Barium Titanate
... foil substrate to a manageable size, in this case, approximately 2 inches by 2 inches for copper and 1 cm by 1 cm pieces for ...silica substrate which is placed on a Cookson Electronics P-6000 spin coater ...
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Fundamentals of Thermocapillary Sculpting of Liquid Nanofilms and Applications to Thin Film Micro Optics
... central Gaussian spot to be normally incident on the planar face of the fused quartz MLA substrate. A caldera-like MLA was used in conjunction with a 2x microscope objective (Mitutoyo M Plan Apo 2, NA 0.055, ...
225
Design of Folded Rectangular Patch with Different Multidielectric Layer
... the substrate of folded rectangular patch antenna results the multi dielectric layer microstrip folded patch ...of substrate and superstrate layer, significant increase in gain can be achieved for practical ...
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Structure, Dielectric Properties and AC Behavior of Commercial Polytetrafluroethylene (PTFE) Polymer
... its permittivity reflects the displacement of electrons relative to nuclei, ...of relative permittivity with increasing frequency due to the dielectric dispersion as a result of the lag of ...
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Influence of External Magnetic Field on the Microwave Absorption Properties of Carbonyl Iron and Polychloroprene Composites Film
... complex permittivity and permeability are needed, for the good impedance matching and attenuation of the composite film depend on the value of relative complex permittivity and permeability at a ...
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Seasonal Variation and Age-related Changes in the Relative Permittivity of Concrete Bridge Decks on Korea Expressways
... between relative permit- tivity of concrete on the older bridges and the relative humidity measured at the weather stations near the bridge locations by Korea Meteorological ...the relative ...
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An extended mode-matching model for improved relative permittivity measurements using a split-cylinder resonator
... Equation (17) can be used to calculate either the resonant frequency of the split-cylinder resonator given the substrate permittivity or the substrate permittivity given a measured resonant ...
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Precision Permittivity Measurement for Low-Loss
... Keywords: large coaxial probe, thin planar materials, low-loss materials, relative permittivity, reflection 20.. coefficient, calibration.[r] ...
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