Phase-detected Brillouin optical correlation-domain reflectometry
Sign Up to like & getrecommendations! Published in 2018 at "Optical Review"
DOI: 10.1007/s10043-018-0436-1
Abstract: Optical fiber sensing techniques based on Brillouin scattering have been extensively studied for structural health monitoring owing to their capability of distributed strain and temperature measurement. Although a higher signal-to-noise ratio (leading to high spatial… read more here.
Keywords: brillouin optical; domain reflectometry; optical correlation; phase detected ... See more keywords
Dielectric relaxation study of aqueous tetraethylene glycol using time domain reflectometry technique in the frequency range 10 MHz to 50 GHz
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Molecular Liquids"
DOI: 10.1016/j.molliq.2018.09.108
Abstract: Abstract The Complex permittivity spectra of Tetraethylene glycol(TTEG)-Water mixture over entire concentration range at variant temperatures (0 °C–25 °C) have been determined by Time Domain Reflectometry technique in the frequency range 10 MHz to 50 GHz. The complex permittivity… read more here.
Keywords: range; domain reflectometry; time; time domain ... See more keywords
Dielectric relaxation study of aqueous diethylamine using a time domain reflectometry
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Molecular Liquids"
DOI: 10.1016/j.molliq.2020.113648
Abstract: Abstract The dielectric relaxation studies of Diethylamine (DEA) + water mixtures over 11 different concentrations, at different temperature and in the frequency range 0.01 ≤ ν/GHz ≤ 50 has been determined using Time Domain Reflectometry (TDR). The dielectric relaxation parameters such… read more here.
Keywords: using time; relaxation; dielectric relaxation; domain reflectometry ... See more keywords
Distributed optical fiber sensing with Brillouin Optical Time Domain Reflectometry based on differential pulse pair
Sign Up to like & getrecommendations! Published in 2018 at "Optics and Laser Technology"
DOI: 10.1016/j.optlastec.2018.02.037
Abstract: Abstract The spatial resolution of the conventional Brillouin Optical Time Domain Reflectometry system is limited because of the limitation of probe pulse’s pulse-width. To improve the spatial resolution, a novel Brillouin Optical Time Domain Reflectometry… read more here.
Keywords: brillouin optical; domain reflectometry; time; time domain ... See more keywords
Dielectric relaxation study of amides with alcohol mixtures by time domain reflectometry
Sign Up to like & getrecommendations! Published in 2017 at "South African Journal of Chemical Engineering"
DOI: 10.1016/j.sajce.2017.06.006
Abstract: Abstract Using Time Domain Reflectometry (TDR), dielectric relaxation studies have been carried out on binary mixtures of amides (N-methylacetamide, N,N-dimethylacetamide) with alcohol (1-butanol, 1-pentanol, 1-hexanol, 1-heptanol, 1-octanol and 1-decanol) for various concentrations over the frequency… read more here.
Keywords: relaxation; dielectric relaxation; domain reflectometry; time ... See more keywords
Cable fault detection based on enhanced spread spectrum time domain reflectometry
Sign Up to like & getrecommendations! Published in 2025 at "AIP Advances"
DOI: 10.1063/5.0252677
Abstract: Spread spectrum time domain reflectometry (SSTDR) is applicable for cable fault detection, effectively ensuring the safety of power generation systems. However, the superposition effect between the reflected and incident signals can significantly disrupt the correlation… read more here.
Keywords: detection; domain reflectometry; time domain; spread spectrum ... See more keywords
Accurate Single-Ended Measurement of Propagation Delay in Fiber Using Correlation Optical Time Domain Reflectometry
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Lightwave Technology"
DOI: 10.1109/jlt.2021.3094247
Abstract: A correlation optical time-domain reflectometry (C-OTDR) method is presented, which measures the propagation delay with an accuracy of a few picoseconds. This accuracy is achieved using a test signal data rate of 10 Gbit/s and… read more here.
Keywords: time domain; correlation optical; optical time; domain reflectometry ... See more keywords
General Method for Rayleigh Signature Interrogation in Distributed Acoustic Sensors Based on Optical Time-Domain Reflectometry
Sign Up to like & getrecommendations! Published in 2025 at "Journal of Lightwave Technology"
DOI: 10.1109/jlt.2025.3589346
Abstract: We introduce a method to measure the Rayleigh signature of an optical fiber, which is defined as the frequency dependence of the backscattering from each position along its length. The method uses the Short-Frequency Fourier… read more here.
Keywords: rayleigh signature; time domain; domain reflectometry; signature ... See more keywords
An Overview of Spread Spectrum Time Domain Reflectometry Responses to Photovoltaic Faults
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Journal of Photovoltaics"
DOI: 10.1109/jphotov.2020.2972356
Abstract: Spread spectrum time domain reflectometry (SSTDR) is a broadband electrical reflectometry technique that has been used to detect and locate faults on live electrical systems, including photovoltaic systems. In this article, we evaluate the detectability… read more here.
Keywords: time domain; spectrum time; reflectometry; domain reflectometry ... See more keywords
Spread Spectrum Time Domain Reflectometry With Lumped Elements on Asymmetric Transmission Lines
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Sensors Journal"
DOI: 10.1109/jsen.2020.2967894
Abstract: Spread spectrum time domain reflectometry (SSTDR) has been traditionally used to detect hard faults (open and short circuit faults) in transmission lines. Prior work has focused on loads at the end of the line with… read more here.
Keywords: time domain; transmission lines; spectrum time; domain reflectometry ... See more keywords
Fault Diagnosis for Electrical Systems and Power Networks: A Review
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Sensors Journal"
DOI: 10.1109/jsen.2020.2987321
Abstract: In this paper, we review the state of the art in the detection, location, and diagnosis of faults in electrical wiring interconnection systems (EWIS) including in the electric power grid and vehicles and machines. Most… read more here.
Keywords: frequency; domain reflectometry; reflectometry; time domain ... See more keywords