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Automatic Summarization based on Field Coherent Passages
2013
International Journal of Computer Applications
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This work presents improvements of the power link to get a more shorter summary. Also this method reduces the run time of the extraction algorithm. ...
Readers have no time to explore lengthy documents and passages. ...
Passage Coherent
88.88609 76.17087 82.52848 ...
doi:10.5120/13772-1636
fatcat:cme74z2d7nbxraslhcixtrdxfy
Stimulated adiabatic passage in a dissipative ensemble of atoms with strong Rydberg-state interactions
2013
Physical Review A. Atomic, Molecular, and Optical Physics
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2013 pre-print arXiv:1302.0682v1 fatcat:e4edgerfajblzhgnppwjmbyqau
We study two-photon excitation of Rydberg states of atoms under stimulated adiabatic passage with delayed laser pulses. ...
This system can be used for deterministic creation and, possibly, extraction of Rydberg atoms or ions one at a time. ...
|r by the second coherent field of Rabi frequency Ω er [ Fig. 1(a) ]. ...
doi:10.1103/physreva.87.033416
fatcat:shtndvufuzhlvoat47msb4rgwe
Adiabatic passage in the presence of noise
2012
Physical Review A. Atomic, Molecular, and Optical Physics
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We report on an experimental investigation of rapid adiabatic passage (RAP) in a trapped barium ion system. ...
We focus on the interplay of laser frequency noise and laser power in shaping the effectiveness of RAP, which is commonly assumed to be a robust tool for high efficiency population transfer. ...
Adiabatic passage has been used for coherent population transfer in many fields [1] [2] [3] [4] . ...
doi:10.1103/physreva.85.023401
fatcat:ylbegqnccbhjrnjo73e7tx5fau
Introduction of DMD Method to Study the Dynamic Structures of a Three-Dimensional Centrifugal Compressor with and without Flow Control
2018
Energies
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The effective flow control created uniform vortex structures and improved the overall order of the flow field in the compressor. ...
The global spectrums with different global energy norms and the coherent structures with different scales can be obtained through the DMD analysis of the three-dimensional controlled and uncontrolled compressors ...
Conflicts of Interest: The authors declare no conflict of interest. ...
doi:10.3390/en11113098
fatcat:huw2n622pfbg5mcnotrktvzamq
Beam Optics for a 12-GeV Isochronous Ring Cyclotron
1983
IEEE Transactions on Nuclear Science
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The amount of beam lost would depend on the details of the magnet field and extraction geometry. . ...
We expect no correla-
tion between the incoming
stretched
ellipse
and the
direction
of stretching
at each passage. ...
doi:10.1109/tns.1983.4332699
fatcat:jekjtvysbjeivky7pyg5trfcjm
Particle Image Velocimetry (PIV) Investigation of Blade and Purge Flow Impacts on Inter-Stage Flow Field in a Research Turbine
2019
Energies
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Coherent structures in the flow field are extracted by the proper orthogonal decomposition (POD) method. ...
Flow field in the inter-stage is of great importance to jet engine turbine performance and efficiency. Investigation of flow fields is limited by the complex geometrical structure. ...
Coherent structures analysis Time-averaged velocity field, calculated from instantaneous results, could be considered as a superposition of coherent structures, which could be extracted by the POD method ...
doi:10.3390/en12071240
fatcat:zjqewcg3fzg53d6fglbx2ps24u
EXCERPT — a Within-Document Retrieval System Using Summarization Techniques
2021
Zenodo
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Parameters like coherence and cue words are used for scoring relevant passages, which are extracted according to user needs. ...
Segments of sentence to paragraph size can be retrieved, assembled to greater passages and ranked by informativeness. ...
It should be noted here that passage retrieval for question answering and pure summarization are not genuine fields of application for EXCERPT. ...
doi:10.5281/zenodo.5503631
fatcat:wwva5jdb3bfpbgedig6xi73as4
A silicon-based single-electron interferometer coupled to a fermionic sea
2018
Physical review B
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By performing multiple fast passages around the qubit avoided crossing, we observe a multi-passage LZSM interferometry pattern. ...
Our results demonstrate a way to increase the state readout signal of coherent quantum systems and replicate single-electron analogues of optical interferometry within a CMOS transistor. ...
To perform coherent fast passages through the DQD anticrossing, a harmonic microwave electric field of amplitude A mw and frequency f mw = 21 GHz is delivered via an on-PCB antenna. ...
doi:10.1103/physrevb.97.045405
fatcat:kl66jqcu7fhild77lk4w5f4hki
Numerical Investigation of Transient Flow Characteristics in a Centrifugal Compressor Stage with Variable Inlet Guide Vanes at Low Mass Flow Rates
2021
Energies
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Meanwhile, the modal decomposition method and flow field reconstruction techniques are used to investigate the coherent flow structures caused by low frequency under different guide vane openings. ...
This study numerically investigates the beneficial effects of positive pre-swirl on the aerodynamic performance and internal flow field in a centrifugal compressor stage with variable inlet guide vanes ...
The feature extraction methods of coherent flow structure have been proposed in the literature. ...
doi:10.3390/en14237906
fatcat:bnf2ls7wwvgddljh53dygrffri
Observation of Time-Domain Rabi Oscillations in the Landau-Zener Regime with a Single Electronic Spin
2014
Physical Review Letters
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2013 pre-print arXiv:1305.0157v1 fatcat:nrxcq6jj3vdctc6cwspmsbta2y
The combination of the control techniques and the favorable coherent properties of NV centers provides an excellent experimental platform to study a variety of quantum dynamical phenomena. ...
We observed the new type of Rabi oscillations of the electron spin resulting from the interference between successive Landau-Zener processes in various regimes, including both slow and fast passages. ...
The coherence time of the quantum system is required to be long enough to allow the coherent interference between multiple LZ processes, and the control fields are required to be accurate and stable in ...
doi:10.1103/physrevlett.112.010503
pmid:24483877
fatcat:g3mnra2wevewthk4wzxab32464
A Simulation Study of an Unpolarized Field
2018
International Journal of Control and Automation
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In the first part, we introduce a new expression of degree of polarization using the spectrum of coherency matrix, precisely first and second order statistics. ...
In the second part, we analyze the intensity of particular case of unpolarized field as a function of polarizer's orientation. ...
First we want to derive the expression of the coherency matrix after the passage of the field through the polarizer. ...
doi:10.14257/ijca.2018.11.1.04
fatcat:cvnhjfz4nzgwfcyhh6ri7c45la
Tomographic Particle Image Velocimetry and Dynamic Mode Decomposition (DMD) in a Rectangular Impinging Jet: Vortex Dynamics and Acoustic Generation
2021
Fluids
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The findings of this research highlight the coherent structures signature in the DMD's spectral content and show the cross correlations between the DMD's modes and the acoustic field. ...
The purpose of this study is to investigate the flow dynamics and, more specifically, the coherent structures involved in the acoustic generation of these jets. ...
Acknowledgments: The authors wish to thank FEDER and the 'Region of Nouvelle Aquitaine', France for its financial support.
Conflicts of Interest: The authors declare no conflict of interest. ...
doi:10.3390/fluids6120429
fatcat:als2n2fbtzd2jna3ivv5s4gphi
Semantically driven snippet selection for supporting focused web searches
2009
Data & Knowledge Engineering
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Finally, we evaluate the query-related text fragments in terms of coherence and expressiveness and pick from every retrieved page the text nugget that highly correlates to the query intention and is also ...
Thus far, the extraction of text snippets from the returned pages' contents relies on statistical methods in order to determine which text fragments contain most of the query keywords. ...
Each algorithm extracted the best passage from every document and returned ten passages for each of our experimental queries. ...
doi:10.1016/j.datak.2008.10.002
fatcat:7kvqvexu7rb7rhtdv6fsehtiwy
Novel Schemes for Compact FELs in the THz Region
2019
Condensed Matter
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Free electron laser (FEL)-based sources are probably the best candidates to express such a versatility; there are a number of schemes that have been investigated over the years to generate coherent radiation ...
(TDS), in terms of bandwidth and pulse duration. ...
In order to extract as much power as possible in a single-pass device, we have to work in the coherent spontaneous emission regime and super-radiant regime. ...
doi:10.3390/condmat4040090
fatcat:ylgvxynetzfbpc2rpz45ufkizy
Introduction to the Special Issue on Summarization
2002
Computational Linguistics
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Ensuring coherence is difficult, because this in principle requires some understanding of the content of each passage and knowledge about the structure of discourse. ...
passages from the original document to produce an extract. ...
doi:10.1162/089120102762671927
fatcat:suc42urx2zerdik3q2grlpid3u
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