Reflection loss
Enhanced Reflection Loss Performance of Square Based Pyramidal Microwave Absorber Using Rice Husk-Coal
... Abstract—Rice husk and coal is an innovation in enhancing the microwave absorption properties of pyramidal microwave absorbers to be used in radio frequency anechoic chambers. An anechoic chamber consists of radar ...
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Tunability performance of reflectarray elements based on anisotropic substrates
... elements respectively. As depicted in Table 2, it has been observed that dipole element offers highest reflection loss performance of 33.51 dB compared to rectangular element which offers maximum ...
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Dual frequency reflectarray antenna based on method of moment mathematical model
... of reflection loss. The reason behind the difference of loss performance is due to the modification of the surface current and electric field distributions on the surface of patch element and ...
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Characterization of material properties for tunable reflectarray antenna design
... a Reflection loss performance of linear material with design configuration of two patch unit cell element b Reflection phase performance of a linear material As depicted in Figure 3a it [r] ...
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Weak Ferromagnetic Property and Electromagnetic Waves Absorption Characteristic of La(1-x)BaxMnO3
... same reflection loss peaks of around -5 dB at a frequency of ...significant reflection loss, where the previous research [11] showed only manganite with the magnetic ordering of ferromagnetic ...
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Study Of Physical Properties Of Sro-Fe2O3-V2O5 Oxide Glasses
... The molar refraction also shows a consistent decrease and is found to depend on the refractive index, density and average molecular weight of glass and is consistent with all the physical parameters determined. The ...
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Piecewise empirical model for shielding effectiveness prediction of graphite cement powder mixture
... the reflection loss because it plays heavy role in determining the characteristic impedance of the material ...The reflection loss is higher at lower frequencies and it depends on the ...
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Periodically Aligned Si Nanopillar Arrays as Efficient Antireflection Layers for Solar Cell Applications
... high reflection [ 35% within the wavelength range of 200–1,000 nm due to its high refractive index (dash line in ...the reflection of Si surface and demonstrates a low average reflection loss ...
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Effect of Carbon Nanotube and Surfactant on Processing, Mechanical, Electrical and EMI-Shielding of Epoxy Composites
... Dispersing nanoparticles in a polymer matrix is intrinsically challenging due to unfavorable entropic interactions between the matrix and the nanoparticle. In this research dispersion of nanoparticles in polymer matrix ...
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The Design and Implement of Propagation Path Loss Model over Sea Surface under HF
... However, sea-surfaces are changing all the time. Ocean turbulence will alter the local permittivity and permeability of the ocean and change the height and the angle of the reflection surface, which leads to ...
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Magnetic and microwave absorption properties of barium hexaferrite doped with La3+ and Gd3+
... of reflection loss was ...maximum reflection loss of -2 db without any strong peak, the doped products indicate better and sharper microwave absorption ...
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Double-Layered Circular Microstrip Reflectarray Element with Broad Phase Range
... Parabolic dish and phased array are among the most popular antennas used by various wireless applications. However, the curvature surface of the parabolic antenna has made the manufacturing process difficult and the ...
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Piecewise empirical model for shielding effectiveness prediction of graphite cement powder mixture
... the reflection loss because it plays heavy role in determining the characteristic impedance of the material ...The reflection loss is higher at lower frequencies and it depends on the ...
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Rapid Prototyping of Pyramidal Structured Absorbers for Ultrasound
... the reflection loss performance of 7 test pieces of pyramidal absor- bers printed with homogeneous material, over different portions of the material at the front face between top and ground of the ...
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Substantial influence on solar energy harnessing ability by geometries of ordered Si nanowire array
... Such unique features of the solar energy harnessing ability of the ordered Si NW array are worth to be fur- ther exploration. The influence of the NW diameter on the anti-reflection ability of Si NWs has been ...
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The Reflective Practitioner: Reaching for Excellence in Practice
... of reflection and ...of reflection and action, with members of the group supporting each other in developing the complex critical-think- ing skills essential to quality medical ...
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Reflective learning workshop
... of reflection. At this stage of presenting reflection, it will be sufficient simply to present the accounts without the criteria and use them as a basis for ...that reflection is not simply ...
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Combined Focusing and Flat Field Spectrometer System for Extreme Ultraviolet Pulse
... energy loss in the fo- cusing reflection process and measurement error caused by pulse focusing aberration, as well as improving the operability of pulse spectroscopy moni- toring, a combined focusing and ...
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A parametric study of Textile Artificial Magnetic Conductor with wire dipole at 2 45Ghz and 5 8Ghz
... the reflection current to be in-phase with the incident current, the antenna’s directivity and gain can be significantly improved by maintaining a low profile ...
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A New Method of VHF Antenna Gain Measurement Based on the Two ray Interference Loss
... Antenna gain is an important index of wireless communication system, how to accurate measurement of antenna gain is a difficult problem. There are many factors affecting the VHF antenna gain test accuracy in the outdoor ...
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