wave propagation characteristics
Simulation and Analysis of 37 GHz Millimeter Wave Propagation Characteristics in Indoor Office Environment
... In this paper, the method of shooting and bounding ray tracing/image (SBR/IM) is used in the simulation of indoor office environment, with which the study on millimeter-wave propagation ...
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Simulation of Indoor 60 GHz Millimeter Wave Propagation Characteristics Based on PSO Optimized SVM
... In this paper, the PSO algorithm is used to optimize the parameters of SVM regularization parameter C and kernel parameter σ. The simulation results show that the SVM prediction method based on PSO is more feasible and ...
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Simulation and Analysis of Millimeter Wave Propagation Characteristics in Complex Office Environment
... millimeter wave propagation characteristics in the complex office environment are studied by the SBR/Image ...the propagation characteristics including received power, the arrival angle ...
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Wave Propagation Characteristics in Functionally Graded Double-Beams
... The wave propagation characteristics of functionally graded (FG) double-beams are investigated by use of Euler-Bernoulli beam ...The wave propagation characteristics like ...
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A study of VLF wave propagation characteristics in the earth ionosphere waveguide
... The propagation of VLF waves over long distances is generally treated as propagation through a waveguide con- stituted by the earth—considered a perfect conductor—as one wall and the lower ionosphere ( ...
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The Influence of Crack Modes on the Elastic Wave Propagation Characteristics in a Non-uniform Rotating Shaft
... the propagation characteristics of the elastic ...the propagation constants of the elastic waves, the numerical results are shown in Figure ...
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Ultra Slow EM Wave Propagation Characteristics of Left-Handed Material Loaded Helical Guide
... In recent studies variety of materials have been investigated that have spectral resonant behaviour for achieving slow wave [22, 23]. That effect could be produced in periodically arranged structures like ...
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Simulation and Analysis of 60ghz Millimeter-Wave Indoor Propagation Characteristics Base on the Method of Sbr/Image
... millimeter wave is frequency bandwidth, and one percent of relative bandwidth of millimeter wave can provide available bandwidth to hundreds of megabytes or even ...millimeter-wave propagation ...
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Dynamics of mechanical waves in periodic graphene nanoribbon assemblies
... acoustic wave propagation characteristics of graphene nanoribbons (GNRs) of the type (8,0) and (0,8) using an equivalent atomistic-continuum FE model previously developed by some of the authors, ...
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Single rod impact tests: Analytical, experimental, and modelling investigation
... (otherwise wave separation techniques may be required), and any excitations, such as pendulum, air gun, or even hand, that can generate tiny disturbance in the bar are theoretically applicable, the monitored ...
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Laser Based Guided Wave Propagation and Mode Decomposition in Detecting the Integrity of Structural I Beams
... the wave propagation characteristics and tackle the multi-mode propagation of Lamb ...The wave propagation data was recorded by scanning the surface of the I-beam in a sequential ...
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Theoretical and Experimental Studies of 35 GHz and 96 GHz Electromagnetic Wave Propagation in Plasma
... EM wave propagation characteristics are strongly affected by plasma density and collision ...EM wave attenuation increases by one order of magnitude with plasma density increasing an order of ...
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Seawater Short Range Electromagnetic Wave Communication Method Based on OFDM Subcarrier Allocation
... electromagnetic wave is also related to ...magnetic wave, the wave length in air is 3000 m, while in sea water it is only 5 ...electromagnetic wave in sea water is very ...electromagnetic ...
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Ultrasonic wave propagation in powders
... The acoustic properties of granular materials under confining pressure can be extremely nonlinear compared to continuum elastic solids. The simplest theories that describe sound propagation in powder confined by ...
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Wave Propagation in Nanocomposite Materials
... Plane wave scattering from a semi-infinite chiral medium was discussed some time ago by Bassiri et al [11], also using the Post constitutive relations, but we proceed differently from these authors working with ...
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Wave propagation in granular materials
... Two strain-gauge pressure transducers (Honeywell AB/HP ABH006PGC1B: 0-6 psi, 1.9 cm active face) are buried in the bed at the same depth but at different distances from the piston. The near transducer is typically placed ...
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Propagation Characteristics of Electromagnetic Wave in Seawater Channel for Submerged Buoy
... For submerged buoy, electromagnetic waves are not only attenuated in seawater but also refracted through the air-sea interface. Since refraction will also produce attenuation, a study in propagation across air-sea ...
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II. SYSTEM OF MOTION EQUATIONS
... of propagation of nonstationary waves in anisotropic media shows that the stress-strain state of a medium essentially depends on the degree of its ...the wave from the pulsed source is concentric circles ...
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Characteristics of Electromagnetic Wave Propagation through a Magnetised Plasma Slab with Linearly Varying Electron Density
... electromagnetic wave and finite length plasma slab having linearly varying electron density profile under dc magnetic field excitation is firstly ...transmission characteristics are ...transmission ...
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Wave propogation scattering due to defect on thin composite plates
... Lamb wave signals due to PLB at point A and ...this wave scattering. However, the two major modes of wave propagation still can be observed, which they are always associated with lamb ...
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