-
1241
Multiscale Physics of Atomic Nuclei from First Principles
Published 2025-02-01“…Our calculations accurately reproduce—within theoretical error bars—available experimental data for low-lying collective states and the electromagnetic quadrupole transitions in ^{20−30}Ne. …”
Get full text
Article -
1242
Joint Active/Passive Beamforming Optimization via RWMMSE and Gradient Projection for Downlink IRS-Aided MU-MISO Systems
Published 2025-01-01“…Metamaterials are significantly advancing the way we wirelessly transmit electromagnetic signals between communicating devices. …”
Get full text
Article -
1243
EM Wave-Based Hand Gesture Recognition for Astronauts Using 3D Memristive Neural Network
Published 2025-01-01“…In this paper, to automatically recognize the hand gestures, the classification of electromagnetic (EM) waves from a patch antenna placed on the hand of an astronaut is performed using a three-dimensional memristive Artificial Neural Network (3D-ANN). …”
Get full text
Article -
1244
Plasma-polymerized fluorocarbon Ag–Cu nanocomposites: Nanostructure optimization for superior SERS sensitivity
Published 2025-01-01“…This enhancement relies on the presence of Raman-active molecules on suitable nanostructures, where local surface plasmon resonance creates electromagnetic hotspots. This paper proposes a method to finely control the distribution of Ag and Cu nanoparticles within a plasma–polymer–fluorocarbon (PPFC) thin film by adjusting the sputtering power density to improve SERS performance. …”
Get full text
Article -
1245
Characterization and analysis of Ca-Zn ferrite nanoparticles based flexible metamaterial for sensing applications
Published 2025-03-01“…Structural characterization through X-ray diffraction (XRD) and field emission scanning electron microscopy (FESEM) confirmed the composite’s structural integrity and electromagnetic suitability. The MTM exhibited multi-frequency resonance at 2.4 GHz, 3.68 GHz, and 7 GHz, with the C-band resonance demonstrating high sensitivity for sensing applications. …”
Get full text
Article -
1246
Magnetic field strength gradiometer
Published 2021-09-01“…Most methods of measuring magnetic field parameters are based on force (energy) interaction of magnetic field with macro- or microscopic currents and electromagnetic induction. The paper considers the possibility of constructing a magnetic field strength gradient meter based on the absolute helical instability of electron-hole plasma of a semiconductor sample. …”
Get full text
Article -
1247
Design and Analysis of a Carbonyl Iron Powder/Epoxy Composite-Based Ultra-Wideband Multi-Pyramidal Magnetic Absorber Using an Equivalent Circuit Model
Published 2025-01-01“…This paper presents a CIP/epoxy composite based ultra-wide band electromagnetic multipyramidal absorber. The constituent parameters of the CIP/epoxy composite is experimentally extracted using a waveguide measurement setup. …”
Get full text
Article -
1248
Low-Power On-Chip Energy Harvesting: From Interface Circuits Perspective
Published 2024-01-01“…This paper reviews existing energy harvesting modalities, including photovoltaic, piezoelectric, pyroelectric, electromagnetic, and vibration, together with circuit techniques of interfacing power management circuits for energy harvesters. …”
Get full text
Article -
1249
-
1250
A BP Neural Network Method for Grade Classification of Loose Damage in Semirigid Pavement Bases
Published 2021-01-01“…The results show that the classification and recognition of simulated electromagnetic waves have an accuracy of over 90%; the classification and recognition of radar data from an actual project have a recognition accuracy of over 80%. …”
Get full text
Article -
1251
Real-Time Respiratory Monitoring Using a Sparse-Sampled Frequency-Scanning White-Light Interferometry System
Published 2025-01-01“…Fiber-optic tip sensors offer significant potential in biomedical applications due to their high sensitivity, compact size, and resistance to electromagnetic interference. This study focuses on advancing phase demodulation techniques for ultra-short Fabry–Pérot cavities within limited spectral bandwidths to enhance their application in biomedicine and diagnostics. …”
Get full text
Article -
1252
A Dual-Polarized Printed Antenna Based on a Tapered Slot SICL Balun for Airborne Radar Application
Published 2020-01-01Get full text
Article -
1253
Asymmetrical Modes of Outdoor Lighting Lines
Published 2019-06-01“…As light sources, in the calculations the widely used luminaries with high-pressure sodium arc lamps connected through electromagnetic start-up equipment were considered. Such luminaries are sources of high harmonics, and they distort the sinusoidal voltage. …”
Get full text
Article -
1254
Far-Field Pattern Reconstruction from Near-Field Data Collected via a Nonconventional Plane-Rectangular Scanning: Experimental Testing
Published 2014-01-01“…It relies on the use of the nonredundant sampling representations of electromagnetic fields which employ an oblate ellipsoid or a surface formed by two circular “bowls” with the same aperture diameter but eventually different bending radii to shape a quasi-planar antenna. …”
Get full text
Article -
1255
Using Multivariate Geostatistics to Assess Patterns of Spatial Dependence of Apparent Soil Electrical Conductivity and Selected Soil Properties
Published 2014-01-01“…The apparent soil electrical conductivity (ECa) was continuously recorded in three successive dates using electromagnetic induction in horizontal (ECa-H) and vertical (ECa-V) dipole modes at a 6 ha plot located in Northwestern Spain. …”
Get full text
Article -
1256
Numerical simulation of MHD Sakiadis flows of convectively heated thixotropic nanofluids in a porous medium using revised transport laws and Wakif-Buongiorno's model
Published 2025-03-01“…Due to the particular inability of Fourier's and Fick's laws in the realistic quantification of transfer processes that can occur certainly within a flowing biphasic mixture, on the one hand, and the explanation of the memory relaxation features of such a non-homogenous medium, on the other hand, the present scrutinization intends to propose a representative biphasic flow model to reveal the principal demeanors of convectively heated thixotropic nanofluids during their steady two-dimensional flows in the laminar regime over a stretching planar geometry in a Darcy-Forchheimer porous medium under the magnetic impact of an external electromagnetic device. For this purpose, the renovated formulation of Wakif-Buongiorno's model is linked theoretically with the constructive equation of the thixotropic model and the generalized transport laws to describe properly the nanofluid motion, the thermal energy balance, and the nanoparticles’ molar concentration distribution under the assumptions of the boundary layer concept and the passive nanoparticles’ control approach. …”
Get full text
Article -
1257
Combination of MLFMA and ACA to Accelerate Computation of Scattering from Underground Targets
Published 2019-01-01“…Electromagnetic nondestructive evaluation of underground targets is of great significance for the safety of urban construction. …”
Get full text
Article -
1258
Research on UAV Jamming Signal Generation Based on Intelligent Jamming
Published 2025-01-01“…These include low efficiency, difficulties in managing dynamic and complex electromagnetic environments, and a heavy reliance on prior knowledge about the signals. …”
Get full text
Article -
1259
Investigation of Strong Strata Behaviors in the Close-Distance Multiseam Coal Pillar Mining
Published 2021-01-01“…Moreover, a theoretical model for the mechanism of strong strata behaviors in the close-distance multiseam coal pillar mining was established, which was validated by the monitoring data of seismic computed tomography CT, microseism, and electromagnetic radiation (EMR). Furthermore, the results of the study indicated that the main factors affecting the strong strata behaviors were the static stress concentration caused by the overlying coal pillars and the dynamic disturbance caused by the fracturing and slipping of the overlying coal pillars and roof under the influence of mining. …”
Get full text
Article -
1260
Microstructure and properties of the Al-0.5 wt.% Fe alloy wire, copper-clad by electrochemical deposition
Published 2025-01-01“…Annotation: This study examines the microstructure, mechanical and electrical properties of the copper-clad wires with a core of Al-0.5Fe alloy, obtained by casting into an electromagnetic crystallizer (EMC). The outer copper layer with a thickness of 90 ± 10 μm was applied via electrochemical deposition. …”
Get full text
Article