Constraining Sedimentary Structure Using Frequency‐Dependent P Wave Particle Motion: A Case Study of the Songliao Basin in NE China
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Geophysical Research"
DOI: 10.1002/2017jb014721
Abstract: Knowledge on sedimentary structure within a basin is of great importance for exploring petroleum resources and predicting strong ground motions caused by earthquakes. Although 3-D seismic data acquisition is common nowadays in petroleum industry, it… read more here.
Keywords: wave; structure; frequency dependent; using frequency ... See more keywords
Fat suppression using frequency‐sweep RF saturation and iterative reconstruction
Sign Up to like & getrecommendations! Published in 2024 at "Magnetic Resonance in Medicine"
DOI: 10.1002/mrm.30199
Abstract: To introduce an alternative idea for fat suppression that is suited both for low‐field applications where conventional fat‐suppression approaches become ineffective due to narrow spectral separation and for applications with strong B0 homogeneities. read more here.
Keywords: frequency sweep; suppression using; using frequency; sweep saturation ... See more keywords
Multi-heterodyne two dimensional coherent spectroscopy using frequency combs
Sign Up to like & getrecommendations! Published in 2017 at "Scientific Reports"
DOI: 10.1038/s41598-017-14537-z
Abstract: Optical multi-dimensional coherent spectroscopy is a powerful technique for studying the structure, properties and ultrafast dynamics of atoms, molecules, semiconductor materials and complex systems. Current implementations of multi-dimensional coherent spectroscopy have long acquisition times and/or… read more here.
Keywords: dimensional coherent; frequency combs; coherent spectroscopy; spectroscopy ... See more keywords
Optical fibre pressure sensing using a frequency modulated laser-based signal processing technique
Sign Up to like & getrecommendations! Published in 2023 at "Measurement Science and Technology"
DOI: 10.1088/1361-6501/accaff
Abstract: Range resolved interferometry (RRI) applied to the interrogation of an extrinsic Fabry–Perot based pressure sensor in laboratory and wind tunnel environments is presented. A simple, compact sensor head design was fabricated and subsequently characterised using… read more here.
Keywords: sensing using; fibre pressure; pressure; using frequency ... See more keywords
A Perspective of Using Frequency-Mixing as Entropy in Random Number Generation for Portable Hardware Cybersecurity IP
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Transactions on Information Forensics and Security"
DOI: 10.1109/tifs.2023.3322602
Abstract: True random number generator (TRNG) is a crucial component in security. In typical TRNGs, entropy comes directly from device noises. In this work, an improved method of using frequency-mixing as means for enriching entropy is… read more here.
Keywords: frequency mixing; trng; using frequency; random number ... See more keywords
Design of nonlinearly spaced phase-shifting algorithms using their frequency transfer function.
Sign Up to like & getrecommendations! Published in 2019 at "Applied optics"
DOI: 10.1364/ao.58.001134
Abstract: Here we show how to design phase-shifting algorithms (PSAs) for nonuniform/nonlinear (NL) phase-shifted fringe patterns using their frequency transfer function (FTF). Assuming that the NL phase steps are known, we introduce the desired zeroes in… read more here.
Keywords: transfer function; phase shifting; frequency transfer; using frequency ... See more keywords
Text sentiment analysis using frequency-based vigorous features
Sign Up to like & getrecommendations! Published in 2019 at "China Communications"
DOI: 10.23919/jcc.2019.12.011
Abstract: Sentiment Analysis, an un-abating research area in text mining, requires a computational method for extracting useful information from text. In recent days, social media has become a really rich source to get information about the… read more here.
Keywords: analysis; sentiment; analysis using; text sentiment ... See more keywords
Simultaneous measurement of distance and speed using frequency-modulated continuous-wave self-mixing interferometry and all-phase fast Fourier transform
Sign Up to like & getrecommendations! Published in 2024 at "Chinese Optics Letters"
DOI: 10.3788/col202422.071201
Abstract: In this work, we propose a method using frequency-modulated continuous-wave (FMCW) self-mixing interferometry (SMI) and all-phase fast Fourier transform (APFFT) for simultaneous measurement of speed and distance. APFFT offers superior accuracy in frequency determination by… read more here.
Keywords: distance; frequency modulated; speed; distance speed ... See more keywords