Results 21 to 30 of about 26,972 (241)

Spaceborne GNSS Reflectometry

Remote Sensing, 2022
This article presents a review on spaceborne Global Navigation Satellite System Reflectometry (GNSS-R), which is an important part of GNSS-R technology and has attracted great attention from academia, industry and government agencies in recent years. Compared with ground-based and airborne GNSS-R approaches, spaceborne GNSS-R has a number of advantages,
Kegen Yu, Shuai Han, Jinwei Bu, Yuhang An, Zhewen Zhou, Changyang Wang, Sajad Tabibi, Joon Wayn Cheong   +7 more
openaire   +4 more sources

Plasma diagnostic reflectometry [PDF]

, 1996
Theoretical and experimental studies of plasma diagnostic reflectometry have been undertaken as a collaborative research project between the Lawrence Livermore National Laboratory (LLNL) and the University of California Department of Applied Science ...
Chou, A. E., Baang, S., Cohen, B. I., Kaiser, T. B., Luhmann Jr. N. C., Garrison, J. C., Afeyan, B. B., Domier, C. W.   +7 more
core   +1 more source

Fault Detection in Multi-Core C&I Cable via Machine Learning Based Time-Frequency Domain Reflectometry

Applied Sciences, 2019
The integrity and functionality of the control and instrumentation (C&I) cable systems are essential when it comes to ensuring the reliability and safety of system operations, especially in vehicles or power plants. Whenever a fault occurs in a multi-
Chun-Kwon Lee, Seung Jin Chang
doaj   +1 more source

Investigation of the Optical Properties of Silicon-on-Insulator Microring Resonators Using Optical Backscatter Reflectometry

Известия высших учебных заведений России: Радиоэлектроника, 2022
Introduction. Optical backscatter reflectometry is one of the most promising methods used to examine characteristic parameters relevant to the design of microring resonators.
I. A. Ryabcev, A. A. Ershov, D. V. Ryaikkenen, A. P. Burovikhin, R. V. Haponchyk, I. Yu. Tatsenko, A. A. Stashkevich, A. A. Nikitin, A. B. Ustinov   +8 more
doaj   +1 more source

Validation of optical low coherence reflectometry retinal and choroidal biometry [PDF]

, 2011
To compare measurements of retinal thickness (RT) and choroidal thickness (ChT) obtained with an optical low coherence reflectometry (OLCR) biometer (Lenstar LS 900) with those obtained with a spectral domain optical coherence tomographer (SD OCT ...
Alonso-Caneiro, D., David Alonso-Caneiro, Read, S.A., Michael J. Collins, Collins, M.J., Scott A. Read   +5 more
core   +1 more source

Snow Depth Measurements by GNSS-IR at an Automatic Weather Station, NUK-K

Remote Sensing, 2022
Studies have shown that geodetic Global Navigation Satellite System (GNSS) stations can be used to measure snow depths using GNSS interferometric reflectometry (GNSS-IR).
Trine S. Dahl-Jensen, Michele Citterio, Jakob Jakobsen, Andreas P. Ahlstrøm, Kristine M. Larson, Shfaqat A. Khan   +5 more
doaj   +1 more source

Broadband Reflectometry: Theoretical Background

, 2011
In this chapter, the basic approaches of broadband microwave reflectometry are described in detail. More specifically, time domain reflectometry (TDR) and frequency domain reflectometry (FDR) are presented and the involved instrumentation is fully ...
DE BENEDETTO, EGIDIO, CANNAZZA, GIUSEPPE, Egidio De Benedetto, CATALDO, Andrea Maria, Giuseppe Cannazza, Andrea Cataldo, De Benedetto E., Cataldo A., Cannazza G.   +8 more
core   +2 more sources

Closing the loop: autonomous experiments enabled by machine-learning-based online data analysis in synchrotron beamline environments

Journal of Synchrotron Radiation, 2023
Recently, there has been significant interest in applying machine-learning (ML) techniques to the automated analysis of X-ray scattering experiments, due to the increasing speed and size at which datasets are generated.
Linus Pithan, Vladimir Starostin, David Mareček, Lukas Petersdorf, Constantin Völter, Valentin Munteanu, Maciej Jankowski, Oleg Konovalov, Alexander Gerlach, Alexander Hinderhofer, Bridget Murphy, Stefan Kowarik, Frank Schreiber   +12 more
doaj   +1 more source

Using Bayesian Model Selection to Advise Neutron Reflectometry Analysis from Langmuir-Blodgett Monolayers [PDF]

, 2019
The analysis of neutron and X-ray reflectometry data is important for the study of interfacial soft matter structures. However, there is still substantial discussion regarding the analytical modelsthat should be used to rationalise relflectometry data ...
Andrew, McCluskey, Tom, Arnold, Tim, Snow, Joshaniel F. K., Cooper   +3 more
core   +1 more source

Comparison and Synergy of BPSK and BOC Modulations in GNSS Reflectometry

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2020
Signals from global navigation satellite systems (GNSSs) have been advocated as opportunities for remote sensing of the Earth. In the multi-GNSS era, signals from different constellation, at different frequency, and under different modulation are ...
Jyh-Ching Juang, Chen-Tsung Lin, Yung-Fu Tsai   +2 more
doaj   +1 more source