Suggested Topics within your search.
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- Physics 1
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41
Unidirectional Alleviation of the Diffraction Limit in Geometrically Anisotropic Photonics
Published 2025-01-01“…These synthetic composites allow subwavelength confinement of electromagnetic energy and facilitate unparalleled control over different aspects of electromagnetic waves (polarization, amplitude, frequency, etc.). …”
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42
CHOOSING OF OPERATING FREQUENCY OF EDDY CURRENT THICKNESS METER WITH SUPERIMPOSED TRANSDUCER
Published 2015-03-01“…It is shown that when using eddy current thickness meter with superimposed transducer the maximal thickness of the conductive sheets or conductive surface layers of a two-layer wares, which may be controlled with selected frequency of excitation current of the transducer, can be estimated based on the magnitude of the penetration depth of a plane electromagnetic wave in the half-space, the specific electrical conductivity and the relative magnetic permeability of which is equal to the values of these parameters in a controlled surface layer or sheet of two-layer ware.…”
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43
Multifunctional Design Ratios for Calculating Power Losses and Energy Efficiency of Long-Distance Electricity Transmission
Published 2012-02-01“…Universality of these ratios with due account of electromagnetic wave propagation nature and intermediate connections and multifunctional application are considered in the paper. …”
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44
Nonlinear Effects of Electromagnetic TM Wave Propagation in Anisotropic Layer with Kerr Nonlinearity
Published 2012-01-01“…It is necessary to find eigenvalues of the problem (propagation constants of an electromagnetic wave). The dispersion equation (DE) for the eigenvalues is derived. …”
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45
Design, Simulation, and Optimization of Polarization-Independent Four-Port Optical Waveguide Circulator Based on a Ferrite Material
Published 2022-01-01“…Usually, the magnetic material in the center of the circulator conducts light by interacting with the electromagnetic wave. In this research, a polarization-independent four-port optical waveguide circulator with the presence of a rhombus-shaped ferrimagnetic material has been designed, simulated, and optimized in the three-dimensional part of Comsol software. …”
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46
Glass Superstrate Nanoantennas for Infrared Energy Harvesting Applications
Published 2013-01-01“…According to our FOM definition, the Archimedean balanced spiral antenna exhibited superior performance among other structures with less sensitivity to the incoming polarization of the electromagnetic wave.…”
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47
An Overview of Recent Advances in the Iterative Analysis of Coupled Models for Wave Propagation
Published 2014-01-01“…Both frequency- and time-domain analyses are addressed, and problems involving acoustic, mechanical, and electromagnetic wave propagation problems are illustrated.…”
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48
Parabolic Equation Accumulated Split Error and Its Correction Method for Tropospheric Radio Propagation
Published 2018-01-01“…An increasingly popular approach of modeling electromagnetic wave propagation in the troposphere is to use the slip-step Fourier transform (SSFT) numerical algorithm to solve a parabolic equation (PE). …”
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49
Broadband Circularly Polarized CPW-Fed Monopole Antenna with a Via-Free CRLH-TL Unit Cell
Published 2022-01-01“…The asymmetric perturbation is introduced to excite the circularly polarized (CP) electromagnetic wave. The influence of interdigital capacitance on the electrical performance of the antenna is analyzed theoretically and experimentally. …”
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50
Rigorous 2D Model for Study of Pulsed and Monochromatic Waves Propagation Near the Earth’s Surface
Published 2014-01-01“…A model problem considered in the paper allows solving rather complex 2D problems of the electromagnetic wave propagation with a required accuracy using conventional personal computers. …”
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51
A thin, wideband transmissive cross polarization converter
Published 2025-01-01“…Metallic vias connect the upper and lower layers of the construction. The radiated electromagnetic wave with linear polarization can be transformed into its orthogonal component in the transmission mode by the proposed converter. …”
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52
Nondestructive Measurement of Momentum Transfer Collision Frequency for Low Temperature Combustion Plasma
Published 2014-01-01“…Accurately measured momentum transfer collision frequency and electron density for fire plasma enable correct simulation of electromagnetic wave propagation in the medium. The simulation is essential for designing high-performance systems suitable for the environment. …”
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53
Beam Synthesis with Low-Bit Reflective Coding Metamaterial Antenna: Theoretical and Experimental Results
Published 2018-01-01“…It can realize real-time control of electromagnetic wave and build multifunction radar array system. …”
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54
Topological Cavity Chains via Shifted Photonic Crystal Interfaces
Published 2025-01-01“…A recent work shows that the electromagnetic wave can be effectively trapped via the shifted photonic crystal interfaces (SPCIs), which offers an alternative approach to realizing the photonic cavity. …”
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55
Fabrication and modulation of flexible electromagnetic metamaterials
Published 2025-01-01“…Flexible electromagnetic metamaterials can be designed to exhibit specific responses to electromagnetic waves within a particular frequency range. …”
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56
Metasurface-Based Cylindrical Lenses and Their Antenna Gain Enhancement
Published 2020-01-01“…A focused beam is observed at the objective focal point for each lens illuminated by a plane electromagnetic wave with transverse magnetic or transverse electric polarization. …”
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57
Electromagnetic target detection model for unmanned aerial vehicle platforms based on Bayesian detection
Published 2024-12-01“…However, aiming at electromagnetic radiation sources, the Boolean perception model fails to accurately reflect the propagation and detection characteristics of electromagnetic wave signals. To address this issue, this paper, grounded in the Bayesian signal detection theory and utilizing the distributional characteristics of antenna pattern diagrams, constructs an electromagnetic detection model for unmanned aerial vehicle platforms. …”
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58
Single-cell bilayer design of a terahertz six-channel metasurface for simultaneous holographic and grayscale images
Published 2025-01-01“…Our research combines intensity modulation controlled by the Malus’s law and phase modulation of geometry and propagation to merge amplitude, phase, and polarization manipulation of electromagnetic wave. A “six-in-one” meta-device is constructed by combining phase change properties of VO2 to realize simultaneous near-field grayscale imaging and far-field holography. …”
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59
Using Improved XGBoost Algorithm to Obtain Modified Atmospheric Refractive Index
Published 2021-01-01“…Atmospheric refraction is a special meteorological phenomenon mainly caused by gas molecules and aerosol particles in the atmosphere, which can change the propagation direction of electromagnetic waves in the atmospheric environment. Atmospheric refractive index, an index to measure atmospheric refraction, is an important parameter for electromagnetic wave. …”
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60
Adaptive Gain Control Method of a Phase-Locked Loop for GNSS Carrier Signal Tracking
Published 2018-01-01“…The PLL is a very popular and practical approach for tracking the GNSS carrier signal which propagates in the form of electromagnetic wave. However, a PLL with constant coefficient would be suboptimal. …”
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