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24801
Using Apparent Electrical Conductivity as Indicator for Investigating Potential Spatial Variation of Soil Salinity across Seven Oases along Tarim River in Southern Xinjiang, China
Published 2020-08-01“…This study collected electromagnetic induction (EMI) readings near surface soil to update on the spatial distribution and changes of water and salt in the region and to map apparent electrical conductivity (ECa, mS·m<sup>−1</sup>), in four coil configurations: vertical dipole in 1.50 m (ECav01) and 0.75 m (ECav05), so as the horizontal dipole in 0.75 m (ECah01) and 0.37 m (ECah05), then all the ECa coil configurations were modeled with random forest algorithm. …”
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24802
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24803
Precision Spectroscopy of Radiation Transitions between Singlet Rydberg States of the Group IIb and Yb Atoms
Published 2023-10-01“…The matrix elements determine the shifts of Rydberg-state energy levels in the field of resonance μw or RF radiation, splitting the resonance of electromagnetically induced transparency (EIT) for intensely absorbed probe radiation. …”
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24804
Quad Element MIMO Antenna for C, X, Ku, and Ka-Band Applications
Published 2023-10-01“…The DGS on the ground plane plays a crucial role in improving the electromagnetic interaction between the grounding surface and the top patch, contributing to the wideband characteristics of the antenna. …”
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24805
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24806
Post-Fabrication Technique to Manage Material Variations in 3-D Printed Microstrip Antenna Substrates
Published 2023-01-01“…The direction and shift in <inline-formula> <tex-math notation="LaTeX">$f_{r}$ </tex-math></inline-formula> depend on the location and dimensions of the via. Through electromagnetic simulations, a complete set of guidelines has been provided for selecting the number of vias, their locations, and their dimensions for a desired amount of shift in the <inline-formula> <tex-math notation="LaTeX">$f_{r}$ </tex-math></inline-formula> of the antennas. …”
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24807
Comparison of Floating Offshore Wind Turbine Tower Deflection Mitigation Methods Using Nonlinear Optimal-Based Reduced-Stroke Tuned Vibration Absorber
Published 2024-03-01“…The MR damper operates simultaneously with an electromagnetic force actuator (forming a hybrid TVA) or independently (a semiactive TVA). …”
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24808
Atomic Structure of Nd<sup>9+</sup> for Highly Charged Ion Clocks
Published 2022-10-01“…Dominant systematics caused by stray electromagnetic interactions in an experiment and the coefficients of the relativistic sensitivityto variation of the fine-structure constant <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mi>α</mi></semantics></math></inline-formula> and of the Lorentz invariance violation are evaluated, thus validating that the Nd<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msup><mrow></mrow><mrow><mn>9</mn><mo>+</mo></mrow></msup></semantics></math></inline-formula> ion can be a new candidate for high-resolution spectroscopy and precision fundamental studies for probing new physics beyond the Standard Model.…”
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24809
Active Control Model for the “FAST” Reflecting Surface Based on Discrete Methods
Published 2022-01-01“…Using the idea of discretization, the adjusted position of the main cable nodes, the ideal parabolic equation, and the expansion of each actuator are obtained by inputting the elevation and azimuth angle of the incident electromagnetic wave. To find the ideal parabola, a univariate optimization model is established, and the Fibonacci method is used to search for the optimal solution <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>h</mi><mo>=</mo><mo>−</mo><mn>0.33018</mn></mrow></semantics></math></inline-formula> (offset in the direction away from the sphere’s center) and the focal diameter ratio <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>f</mi><mo>=</mo><mn>0.4671</mn></mrow></semantics></math></inline-formula> of the parabolic vertex. …”
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24810
Amplitude and Phase Angle of Oscillatory Heat Transfer and Current Density along a Nonconducting Cylinder with Reduced Gravity and Thermal Stratification Effects
Published 2023-05-01“…Due to excessive heating, various physical mechanisms are less effective in engineering and modern technologies. The aligned electromagnetic field performs as insulation that absorbs the heat from the surroundings, which is an essential feature in contemporary technologies, to decrease high temperatures. …”
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24811
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24814
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24815
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Applications of X-ray Instrumentation for Dark Matter Searches with Cosmic-ray Antiparticles
Published 2023“…Beyond local detection in high-altitude particle detectors, cosmic ray populations can be probed remotely via the electromagnetic radiation they produce as they prop-agate through the Galaxy. …”
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Thesis -
24818
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24819
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24820
The functional performance of engineered cementitious composites material for electrified roadway application in Singapore
Published 2021“…These enable the design of PUTW for electrified roadway as the thickness of whitetopping can be greatly reduced without the need for steel reinforcement as reinforcement can cause interference of electromagnetic field of inductive charging and lead to reduction of charging efficiency. …”
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Thesis-Doctor of Philosophy