Suchergebnisse - "REFLECTOMETRY"

Neural network-based data processing for satellite imagery in small satellite earth observation missions

Autoren: Llaveria Godoy, David

Weitere Verfasser: University/Department: Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions

Thesis Advisors: Camps Carmona, Adriano José

Quelle: TDX (Tesis Doctorals en Xarxa)

Schlagwörter: CubeSatsEarth Observation (EO), Remote Sensing, Data Processing, Onboard Processing, Neural Networks, Hyperspectral Imaging, Band Selection, Sea Ice Monitoring, GNSS-Reflectometry (GNSS-R), L-band Radiometry, Image Deblurring, Àrees temàtiques de la UPC::Enginyeria de la telecomunicació, 621.3 - Enginyeria elèctrica. Electrotècnia. Telecomunicacions

Dateibeschreibung: application/pdf

Zugangs-URL: http://hdl.handle.net/10803/695367
https://dx.doi.org/10.5821/dissertation-2117-442913

Contributions to RFI detection, mitigation, and excision for GNSS receivers and spaceborne microwave radiometers

Autoren: Pérez Portero, Adrián

Weitere Verfasser: University/Department: Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions

Thesis Advisors: Camps Carmona, Adriano José, Hyuk, Park

Quelle: TDX (Tesis Doctorals en Xarxa)

Schlagwörter: Radio Frequency Interference (RFI), GNSS Reflectometry (GNSS-R), Microwave Radiometry, Signal Processing, Remote Sensing, Polarimetric Detection, FPGA Implementation, Space-Qualified Systems, SMAP-R Mission, Bistatic Radar, Interference Mitigation, Earth Observation, Scattering Models, Real-Time Processing, Software-Defined Radio, Àrees temàtiques de la UPC::Enginyeria de la telecomunicació, 621.3 - Enginyeria elèctrica. Electrotècnia. Telecomunicacions

Dateibeschreibung: application/pdf

Zugangs-URL: http://hdl.handle.net/10803/694489
https://dx.doi.org/10.5821/dissertation-2117-430037

Optimization of magnetic reference layer for neutron reflectometry

Autoren: Zubayer, Anton Eriksson, Fredrik Ghafoor, Naureen et al.

Quelle: Journal of applied crystallography. 58:1299-1310

Schlagwörter: magnetic reference layers, thin films, reflectometry, neutron scattering, sensitivity

Dateibeschreibung: electronic

Zugangs-URL: https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-217981
https://doi.org/10.1107/S1600576725004674

Pea protein isolates adsorption on phospholipid bilayer interfaces: a quartz crystal microbalance and neutron reflectometry study

Autoren: Atil, Gökhan Uğur Machingauta, Marshall R. Luchini, Alessandra et al.

Quelle: Food Hydrocolloids. 172

Schlagwörter: Pea proteins, Phospholipids interactions, QCM-D, Neutron reflectometry

Dateibeschreibung: electronic

Zugangs-URL: https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-570572
https://doi.org/10.1016/j.foodhyd.2025.111842

Comparing simulated and synthesized polymer brush profiles.

Autoren: Poudel, Bhuwan Ritzert, Philipp Robertson, Hayden et al.

Quelle: Journal of Chemical Physics; 11/7/2025, Vol. 163 Issue 17, p1-17, 17p

Schlagwörter: MOLECULAR dynamics, METHACRYLATES, POLYMERIZATION, REFLECTOMETRY, CONFORMATIONAL analysis

Edge Detection Combined with Threshold Optimization Algorithm for Signal Recognition in Nonuniform Sampling Φ-OTDR Vibration Sensing.

Autoren: Zhang, Yuqing Hassan, Sani Mujahid Zhao, Zhenming et al.

Quelle: Fiber & Integrated Optics. 2025, Vol. 44 Issue 5, p454-474. 21p.

Schlagwörter: EDGE detection (Image processing), OPTICAL time-domain reflectometry, VIBRATION (Mechanics), VIBRATION measurements, IRREGULAR sampling (Signal processing), SIGNAL classification, SAMPLING (Process), THRESHOLDING algorithms

Difference in structural changes of surfactant aggregates near solid surface under shear flow versus those in the bulk.

Autoren: Nemoto, Fumiya Takabatake, Fumi Yamada, Norifumi L. et al.

Quelle: Journal of Chemical Physics. 10/28/2024, Vol. 161 Issue 16, p1-9. 9p.

Schlagwörter: *NEUTRON reflectometry, *NONIONIC surfactants, *SHEAR flow, *SURFACE active agents, *ETHYLENE glycol

Topology reconstruction of wiring networks using an iterative process based on Time-Domain Reflectometry and Forensic-Based Investigation algorithm.

Autoren: Lacheheb, Zouhir Bennecib, Nedjoua Bouchekara, Houssem Rafik El-Hana et al.

Quelle: Nondestructive Testing & Evaluation. Nov2025, Vol. 40 Issue 11, p5607-5639. 33p.

Schlagwörter: *TIME-domain reflectometry, *OPTIMIZATION algorithms, *ELECTRIC circuit networks

Detection and Evaluation of Shield Damage Defects in Power Cables Using an Improved Dual-Frequency Time–Frequency Domain Reflectometry.

Autoren: Zhao, Kun Grivet-Talocia, Stefano Manfredi, Paolo et al.

Quelle: Energies (19961073). Oct2025, Vol. 18 Issue 19, p5214. 15p.

Schlagwörter: *ELECTRIC cables, *TIME-domain reflectometry, *FREQUENCY-domain analysis, *MEASURING instruments, *RELIABILITY in engineering

Mesoscale self-organization of polydisperse magnetic nanoparticles at the water surface.

Autoren: Ukleev, Victor Khassanov, Artoem Snigireva, Irina et al.

Quelle: Journal of Chemical Physics. 2/21/2024, Vol. 160 Issue 7, p1-8. 8p.

Schlagwörter: *MAGNETIC nanoparticles, *NEUTRON reflectometry, *NEUTRON measurement, *X-ray reflectometry, *SMALL-angle X-ray scattering, *X-ray scattering

How sighing regulates pulmonary surfactant structure and its role in breathing mechanics.

Autoren: Novaes-Silva, Maria C. Rodríguez-Hakim, Mariana Thompson, Benjamin R. et al.

Quelle: Science Advances. 9/26/2025, Vol. 11 Issue 39, p1-11. 11p.

Schlagwörter: *ADULT respiratory distress syndrome, *NEUTRON reflectometry, *INTERFACIAL stresses, *PULMONARY surfactant, *SURFACE active agents

Portable X‐Ray Reflectometer for Thickness and Density Determination of Mono‐ and Multi‐Layer Thin Films.

Autoren: Imashuku, Susumu Ohnishi, Tsunemasa Kawai, Jun

Quelle: XRS: X-ray Spectrometry. Sep/Oct2025, Vol. 54 Issue 5, p626-631. 6p.

Schlagwörter: *X-ray reflectometry, *THIN films, *REFLECTOMETER, *COPPER films, *MONOMOLECULAR films, *THICKNESS measurement, *MASS measurement

Failure Stages Characterization of Sandstone Under Uniaxial Compression Test Based on Optical Frequency Domain Reflectometry.

Autoren: Jiang, Donghai Li, Shuai Qin, Zengguang et al.

Quelle: Rock Mechanics & Rock Engineering. Sep2025, Vol. 58 Issue 9, p11083-11093. 11p.

Schlagwörter: *SANDSTONE, *OPTICAL time-domain reflectometry, *STRAINS & stresses (Mechanics), *MATERIALS compression testing, *FIBER optical sensors, *ROCK deformation, *FAILURE analysis, *GEOTECHNICAL engineering

Neutron Reflectometry and Short-Range Modifications of Gravity.

Autoren: Rocha, Jesriel Matias Dahia, Fábio

Quelle: Universe (2218-1997). Sep2025, Vol. 11 Issue 9, p281. 11p.

Schlagwörter: *NEUTRON reflectometry, *GRAVITY, *MATHEMATICAL physics, *MATHEMATICAL bounds, *SCATTERING (Physics)

A novel approach to wiring network diagnosis utilizing time domain reflectometry and one-dimensional convolutional neural networks.

Autoren: Goudjil, Abdelhak Smail, Mostafa Kamel Bouchekara, Houssem R. E. H. et al.

Quelle: Neural Computing & Applications. Aug2025, Vol. 37 Issue 23, p19423-19444. 22p.

Schlagwörter: *TIME-domain reflectometry, *CONVOLUTIONAL neural networks, *FAULT diagnosis, *REAL-time computing, *FEATURE extraction, *SIGNAL integrity (Electronics)

A Contrastive Representation Learning Method for Event Classification in Φ-OTDR Systems.

Autoren: Zhang, Tong Peng, Xinjie Liu, Yifan et al.

Quelle: Sensors (14248220). Aug2025, Vol. 25 Issue 15, p4744. 15p.

Schlagwörter: *OPTICAL time-domain reflectometry, *SIGNAL classification, *WAVELET transforms, *SIGNAL processing, *ACOUSTIC signal processing

OTDR Development Based on Single-Mode Fiber Fault Detection.

Autoren: Liu, Hui Zhao, Tong Zhang, Mingjiang

Quelle: Sensors (14248220). Jul2025, Vol. 25 Issue 14, p4284. 30p.

Schlagwörter: *OPTICAL time-domain reflectometry, *FIBER testing, *FAULT diagnosis, *SINGLE-mode optical fibers, *TECHNOLOGICAL innovations, RESEARCH evaluation

Advances in detection for neutron reflectometry with time-resolved imaging detectors.

Autoren: Khaplanov, Anton Ankner, John F. Hirsh, Tsviki Y. et al.

Quelle: Scientific Reports. 7/11/2025, Vol. 15 Issue 1, p1-13. 13p.

Schlagwörter: *NEUTRON reflectometry, *SCINTILLATORS, *APPLICATION-specific integrated circuits, *IMAGE converters, *NEUTRON counters, *SIGNAL detection

Investigation into the Performance of TDR and FDR Techniques for Measuring the Water Content of Biochar-Amended Loess.

Autoren: Zhou, Nan Zhao, Ziyi Li, Ming et al.

Quelle: Sensors (14248220). Jul2025, Vol. 25 Issue 13, p3970. 24p.

Schlagwörter: *BIOCHAR, *TIME-domain reflectometry, *SOIL moisture measurement, *STATISTICAL accuracy, *PARTICLE size determination, *SOILS, *DIELECTRIC properties

Diminished spin-flip reflectivity in stacked multilayers with varying period thicknesses of Fe/Si by incorporating 11B4C

Autoren: Zubayer, A. Ghafoor, N. Devishvili, A. et al.

Quelle: Materials Today Advances. 26

Schlagwörter: Thin films, Neutron scattering, Supermirror, Polarizer, Reflectometry

Dateibeschreibung: electronic

Zugangs-URL: https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-556675
https://doi.org/10.1016/j.mtadv.2025.100578