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761
Identification of subsurface cavities in urban environment
Published 2025-01-01“…Abstract Gravimetry is the most suitable geophysical method for identifying subsurface cavities in urban or industrial environments, as it is unaffected by nearby electromagnetic disturbances. In this study, we used gravimetric geophysical method to understand the land subsidence, collapses, and fissures observed around the sealed Albian drilling site located in the M’Rara region of Northeast of Algeria. …”
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762
Design of Metamaterial Antenna Based on the Mathematical Formulation of Patch Antenna for Wireless Application
Published 2023-01-01“…The best outcomes are attained with the aid of parametric analysis of feed width, ground height, and slot width. All electromagnetic simulations were performed using CST Studio software. …”
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763
Design of SVC Controller Based on Improved Biogeography-Based Optimization Algorithm
Published 2014-01-01“…The effectiveness of the improved controller is verified by eigenvalue analysis and electromagnetic simulations. The simulation results of Jinjie plant indicate that the subsynchronous damping controller optimized by the IBBO algorithm can remarkably improve the damping of torsional modes and thus effectively depress SSR, and ensure the safety and stability of units and power grid operation. …”
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764
Micro-Doppler Ambiguity Resolution Based on Short-Time Compressed Sensing
Published 2015-01-01“…The proposed algorithm is verified using the echo signals generated according to the theoretical model and the signals with micro-Doppler signature produced using the commercial electromagnetic simulation software FEKO.…”
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765
Development of rotor flux control laws for high-speed asynchronous electric drive
Published 2019-04-01“…Marked and mathematically taken into account factors limiting the magnitude of the motive electromagnetic moment of an asynchronous electric drive in the entire range of values of shaft speed. …”
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766
Design of Miniaturized FSS with High Angular Stability Utilizing a Novel Closed Loop
Published 2023-01-01“…Therefore, it can be well used as an electromagnetic shield for the GSM 850 band. In order to facilitate the rapid analysis and design of the FSS, the equivalent circuit model is further analyzed and established, and values of the corresponding lumped components are derived. …”
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767
Constraints on Neutrino Electric Millicharge from Experiments of Elastic Neutrino-Electron Interaction and Future Experimental Proposals Involving Coherent Elastic Neutrino-Nucleus...
Published 2020-01-01“…In several extensions of the Standard Model of Particle Physics (SMPP), the neutrinos acquire electromagnetic properties such as the electric millicharge. …”
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768
Saturation Characteristics of Multi‐Band EMIC Waves in the Inner Magnetosphere and Observational Evidence for the Second Saturation Process
Published 2025-01-01“…Abstract The wave amplitude is vital for quantifying the impact of electromagnetic ion cyclotron (EMIC) waves on inner magnetospheric dynamics. …”
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769
Effect of Neutral Grounding Protection Methods for Compensated Wind/PV Grid-Connected Hybrid Power Systems
Published 2017-01-01“…Simulation models are implemented in the Alternative Transient Program (ATP) version of the Electromagnetic Transient Program (EMTP). The models allow for different fault factors and grounding methods. …”
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770
Ab initio Investigation of the Structural and Electronic Properties of Alkaline Earth Metal - TiO2 Natural Polymorphs
Published 2022-01-01“…However, its optical absorption falls in the ultraviolet part of the electromagnetic spectrum, resulting in a low absorption ratio of solar light. …”
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771
Comparative Study of Crosstalk Reduction Techniques in RF Printed Circuit Board Using FDTD Method
Published 2015-01-01“…In certain applications, microstriplines may be used in printed circuit boards for propagating high-speed signals, rather than striplines. Here, the electromagnetic coupling effects are analyzed for various microstrip transmission line structures, namely, microstriplines with a guard trace, double stub microstriplines, and parallel serpentine microstriplines using the finite-difference time-domain method. …”
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772
A Contrast Source Inversion Algorithm Formulated Using the Log-Phase Formulation
Published 2011-01-01“…In the CSI algorithm, the nonlinear integral equation, which must be solved to extract the constitutive electromagnetic parameters of the object under test from the microwave measurements, is represented by two linear equations, known as the data and the object equations. …”
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773
Leaky Wave Array in Full Planar Substrate with EBG-Based Wave Guiding Channel
Published 2021-01-01“…The guiding channel is developed on the full planar dielectric substrate and aligned with electromagnetic bandgap (EBG) units. Since the bandgap of these mushroom-like units is calculated with a coverage of the channel working band, these units are of great importance on ensuring the transmission efficiency and eliminating the coupling effect between channels. …”
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774
A Hybrid Technique Based on the Combination of Multilevel Fast Multipole Algorithm and the Geometrical Theory of Diffraction
Published 2014-01-01“…This paper proposes a hybrid technique for treating electromagnetic problems of scattering and radiation in which the source structure is described as an array of antennas. …”
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775
Comparative Study of Dual-Rotor Permanent Magnet Machines with Series and Parallel Magnetic Circuits
Published 2024-12-01“…This paper compares the electromagnetic performances of radial-flux, dual-rotor, permanent magnet (DRPM) machines with series (S) and parallel (P) magnetic circuits for two rotors, i.e., SDRPM and PDRPM, accounting for different slot/pole number combinations, stator winding configurations, and machine sizes. …”
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776
Deep-learning-assisted reconfigurable metasurface antenna for real-time holographic beam steering
Published 2023-05-01“…Instead of iteration, we adopt a deep learning algorithm that combines an autoencoder with an electromagnetic scattering equation to determine the states required for a target far-field pattern in real-time. …”
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777
Radar Jamming Recognition: Models, Methods, and Prospects
Published 2025-01-01“…In modern warfare with complex and changeable electromagnetic environments, radar jamming is getting more complex and realistic, which poses a serious threat to radar; jamming recognition has become a hot topic in the field of electronic countermeasures. …”
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778
CALCULATION OF INDUCTANCE OF THE INTERIOR PERMANENT MAGNET SYNCHRONOUS MOTOR
Published 2017-03-01“…Interior permanent magnet synchronous motor (IPMSM) refers to salient-pole synchronous motors, characterized by inequality of inductances of longitudinal (d) and transverse (q) axes. Electromagnetic torque of IPMSM consists of two components: active torque and reactive torque; the latter depends on inductances of d and q axes. …”
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779
An Electromechanical Pendulum Robot Arm in Action: Dynamics and Control
Published 2017-01-01“…The authors numerically investigate the dynamics and control of an electromechanical robot arm consisting of a pendulum coupled to an electrical circuit via an electromagnetic mechanism. The analysis of the dynamical behavior of the electromechanical device powered by a sinusoidal power source is carried out when the effects of the loads on the arm are neglected. …”
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780
Study of the Interference Affecting the Performance of the Theremin
Published 2012-01-01“…The paper shows different simulations calculated with the commercial software Ansoft HFSS, a tool which allows three-dimensional full wave electromagnetic field simulation, with radio frequencies, millimeter and micro waves, and experimental measures, both showing a reduction in the effect of the interference.…”
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