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1941
Generation Techniques of Orbital Angular Momentum Beams for Wireless Communication Applications
Published 2025-01-01“…Additionally, the mutual coupling between antenna elements in uniform circular arrays is discussed, as it can significantly impact the performance and purity of OAM beams, and strategies to mitigate these effects are explored. Passive methods include spiral phase plates, reflect arrays, metasurfaces, optical rectification, difference frequency generation, laser plasma, discrete dielectric lenses, etc., which utilize static elements to manipulate the phase of an incident plane wave and create a helical phase front characteristic of an OAM wave. …”
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1942
Influence of the Demultiplexer on Channel-Interleaved Photonic Analog-to-Digital Converters
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1943
Misalignment Calculation on Off-Axis Telescope System via Fully Connected Neural Network
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1944
Cross-dataset micro-expression identification based on facial ROIs contribution quantification
Published 2024-12-01“…Compared with several other advanced recognition methods, our method has better cross-dataset recognition performance, not only the classification accuracy is higher, but also the classification stability is better when faced with different target datasets and different micro-expression categories. …”
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1945
Gamma Radiation Induced Effects in TeO2 Thin Films
Published 2013-05-01“…Gamma radiation induced effects on electrical and optical properties of thin films of tellurium dioxide (TeO2), a wide band gap semiconductor material, of different thicknesses prepared by thermal evaporation method have been studied in detail. …”
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1946
Carboxymethyl Cellulose (CMC)-Reinforced Polyvinyl Alcohol (PVA) Fibrillar Composite Membranes: Production by Centrifugal Spinning and Characterization
Published 2025-01-01“…The use of centrifugal spinning as a method for producing nanofibers has advantages over other methods, such as high production rates, large-scale production, and no need for high voltage. …”
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1947
Investigation of the positioning accuracy of the Cat’s Eye as a reference position in asphere-measuring interferometry
Published 2024-01-01“…Fast and accurate asphere and freeform measurements are in high demand by the optics manufacturing industry. Interferometric methods such as tilted-wave interferometry meet these demands but require accurate surface positioning of the specimen along the optical axis, since such measurements are sensitive to such positioning errors. …”
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1948
SPECTROPHOTOMETRIC DETERMINATION OF ATORVASTATINE CALCIUM
Published 2015-04-01“…Accuracy was established by additives method. Evaluation of robustness was conducted by identifying factors that affect the value of the optical density - namely, the number of added reagents. …”
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1949
The fundamentals of synthesis of the nanomaterials, properties, and emphasis on laser ablation in liquids: a brief review
Published 2025-06-01“…Different methods follow their own synthesis protocols, time durations, economical feasibility, and reproducibility. …”
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1950
Hadamard Matrix Design for a Low-Cost Indoor Positioning System in Visible Light Communication
Published 2017-01-01“…Fundamental conditions to create nonnegative optical signals and brightness control are defined in conjunction with multiplexing different sources and receiving messages. …”
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1951
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1952
Investigation of agrillaceous rock properties by thermal analysis
Published 2023-05-01“…Natural materials from different geographical sites in Russia and neighboring countries were studied by the method of simultaneous thermal analysis.Results. …”
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1953
Research on rolling bearing compound fault diagnosis based on AMOMCKD and convolutional neural network
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Article -
1954
Detection of Polarization and Topological Charge Based on Multidimensional Field of Metasurface
Published 2020-01-01“…Traditional methods to detect its phase and polarization mostly focus on the functionality of single dimensional optical field. …”
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Article -
1955
Nanoscale Noncoplanar Beam Splitters With Tunable Split Ratio
Published 2020-01-01“…With same method, a polarization-controllable dual-wavelength beam splitter is also achieved on the basis of phase-gradient metasurface. …”
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1956
Coordinated Control Strategies for Enhancing Frequency Stability of Photovoltaic and Storage Networking Systems
Published 2025-08-01“…[Methods] The proposed method analyzes the frequency regulation demand of the system under different operating conditions according to the power regulation margin and unbalanced power of the synchronous machine and designs a self-synchronous control strategy for the grid-connected inverter that transmits the frequency change information while proactively supporting inertia. …”
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1957
Plasma Micro-Cavity of Terahertz Wave During Laser Filamentation
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1958
Chaotic behavior, sensitivity analysis and Jacobian elliptic function solution of M-fractional paraxial wave with Kerr law nonlinearity.
Published 2025-01-01“…These solutions have applications in wave dynamics in different optical systems and optical fibre. Furthermore, we investigate chaotic phenomena by analyzing the model qualitatively. …”
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1959
Few-Shot Object Detection for Remote Sensing Images via Pseudo-Sample Generation and Feature Enhancement
Published 2025-04-01“…Few-shot object detection (FSOD) based on fine-tuning is essential for analyzing optical remote sensing images. However, existing methods mainly focus on natural images and overlook the scale variations in remote sensing images, leading to feature confusion among foreground instances of different classes. …”
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1960
Evaluation of Air Voids in Concrete Based on Cross-Section Images of Its Test Specimens
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