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Performance of SAR Polarimetric Calibration Using Hybrid Corner Reflectors: Numerical Simulations and Experimental Measurements
2020
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
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In this article, we devise a polarimetric calibration method utilizing only three types of calibration targets, i.e., trihedral, dihedral, and a 22.5°-rotated dihedral corner reflectors and requiring no ...
to show the superior performance of the devised calibration method. ...
ACKNOWLEDGMENT The authors would like to thank Prof. Y. Yamaguchi from Niigata University -Japan for providing the Pi-SAR data. ...
doi:10.1109/jstars.2020.3036392
fatcat:6tbmjbdplbfthlaabd76zo7vxe
Polarimetric Portraits
2021
Earth and Space Science
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For a passive system, this new name applies without qualification to the four Stokes parameters seen through a passive dual-channel receiver. ...
The suggested terminology is applicable to a variety of disciplines, including radiometry, alternative polarimetric radar architectures, radar astronomy, weather radar, and GPS/GNSS reflectometry. ...
These methods rely on clever adjustments to the values of the four scattering matrix elements to offset imbalance, cross-talk, and co-phase issues in the transmitted fields and the receiver channels. ...
doi:10.1029/2021ea001768
fatcat:6kslbaupp5bnvhq223lbgw4wgu
External polarimetric calibration of the Danish polarimetric C-band SAR
Proceedings of IGARSS '94 - 1994 IEEE International Geoscience and Remote Sensing Symposium
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Also, a new approach of obtaining robust estimates by the algorithms is proposed. The approach is based on a masking pmedure using the cross-correlation between CO-and cross-polarized returns. ...
The cross-talk estimated for the EMISAR data is low (below -30 dB), virtually independent of range, and stable between different acquisitionswithin a mission and between missions. ...
A new approach to obtain robust estimates based on the cross-correlation coefficient between CO-and cross-polarized channels has been developed. ...
doi:10.1109/igarss.1994.399357
fatcat:qgsogubrd5cfhhz33cyfos723e
A coherent polarimeter array for the Large Scale Polarization Explorer balloon experiment
[article]
2012
arXiv
pre-print
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2012
Ground-based and Airborne Instrumentation for Astronomy IV
unpublished
doi:10.1117/12.925688 fatcat:3swrkfa7jbdfvhjyip733f6uy4
doi:10.1117/12.925688 fatcat:3swrkfa7jbdfvhjyip733f6uy4
The STRIP Q-band channel is crucial to accurately measure and remove the synchrotron polarized component, while the W-band channel, together with a bolometric channel at the same frequency, provides a ...
In operation, the array will be cooled to 20 K and placed in the focal plane of a ∼ 0.6 meter telescope providing an angular resolution of ∼1.5 degrees. ...
Linearity response, noise properties, sensitivity, total intensity and Q-U polarization responsivity will be calibrated during this phase, as well as possible cross talk effects between polarimeters. ...
arXiv:1208.0164v1
fatcat:vjq5t4xjtbex3kbb2u3wp34ms4
Revisiting the Solar Research Cyberinfrastructure Needs: A White Paper of Findings and Recommendations
[article]
2022
arXiv
pre-print
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The authors provide examples of the current standing of the solar research cyberinfrastructure, and describe the problems related to current data handling approaches. ...
the demand for a solar metadata standardization and overall healthy data infrastructure. ...
Current Massive Data, Metadata, and Data Product Handling Approaches
Data and Products Maintained at Observing Facilities The large data volume of spectral and spectro-polarimetric observations of the ...
arXiv:2203.09544v1
fatcat:lzdqf6f5u5capah7nnhclgq26q
PHOTON 2007. Proceedings of the International Conference on the Structure and Interactions of the Photon, Including the 17th International Workshop on Photon–Photon Collisions and the International Workshop on High Energy Photon Linear Colliders
2008
Nuclear Physics B - Proceedings Supplements
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Introduction
A lot of new physics analyses at the LHC need a significant amount of data to be carried
out. ...
Many of these features, apart from
the CP violation in the Higgs sector, both in the context of a particular model (SUSY) and in a
model independent approach were already described in different talks [ ...
doi:10.1016/s0920-5632(08)00392-7
fatcat:uoeeasodufar5eba4q572f2wfm
Design Considerations of Bandwidth Reconfigurable Input Multiplexers
2008
2008 38th European Microwave Conference
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This turned out to be a strategic and very successful move: 22 years later this week has grown into the biggest event of its kind in Europe. ...
Academia and industry present well over 400 scientific talks. ...
Indeed, the constant seek for continuous, live data has appealed a new paradigm where coping with a high volume of data is no longer a problem as long as those data are reliable. ...
doi:10.1109/eumc.2008.4751724
fatcat:7qrxmo4ty5goxjkihvch246qzu
Magnetic Fields and Plasma Heating in the Sun's Atmosphere
2024
Astrophysical Journal
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Data from the Solar Dynamics Observatory and Interface Region Imaging Spectrograph are combined to ask: Why is only a fraction of emerging flux filled with heated plasma? ...
ViSP was operated in a "low" resolution mode (0.″214 slit width, spectral resolution R ≈ 70,000 ) to produce polarization maps over a common area of 105″ × 50″. ...
P.G.J. is grateful to HAO Director Holly Gilbert for support of a research visit in Switzerland in 2023, to Daniela Lacatus for a thorough review of the article, and to Christian Beck and Gianna Cauzzi ...
doi:10.3847/1538-4357/ad0780
fatcat:c3c45fmnmng5lmjr4uyvhaz3py
Conference program and abstracts. International Biogeography Society 7th Biennial Meeting. 8–12 January 2015, Bayreuth, Germany. Frontiers of Biogeography Vol. 6, suppl. 1. International Biogeography Society, 246 pp
2014
Frontiers of Biogeography
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Channel cross sectional surveys suggest that modification of the channel by alders themselves may explain the relationship between survival and density. ...
Using a new phylogenetic approach, I use simple models of character evolution (i.e. ...
A comparative demographic approach and tree-based methods will provide a first evaluation of speciation patterns in the CFEA. ...
doi:10.21425/f56525118
fatcat:3puoxcjd4bcublj6adlg2nzczq
Learning Neural Textual Representations for Citation Recommendation
2021
2020 25th International Conference on Pattern Recognition (ICPR)
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Episodic Learning
DAY 3 -Jan 14, 2021
Su, Yingna; Ding, Yaqing; Yang,
Jian; kong, hui
1895
A Two-Step Approach to Lidar-Camera Calibration
DAY 3 -Jan 14, 2021
Chng, Zhe Ming; Lew, Joseph Mun ...
Watermark Recognition: Dataset and a New
Consistency-Based Approach
DAY 1 -Jan 12, 2021
Souza, Victor; Oliveira, Adriano;
Menelau Oliveira e Cruz, Rafael;
Sabourin, Robert
2058
An Investigation ...
doi:10.1109/icpr48806.2021.9412725
fatcat:3vge2tpd2zf7jcv5btcixnaikm
Compromises in orchestra pit design: A ten‐year trench war in The Royal Theatre, Copenhagen
1998
Journal of the Acoustical Society of America
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These are the elements of cross talk, sound quality, sound focusing, sound isolation, sound ambience, localization, dynamic range, and reverberation times. ...
, and also with respect to aging, calibration sensitivity lifetime, etc. ...
., Jamaica, NY 11439͒ The ability of individuals to learn a new language requires mastering the phonetic as well as lexical and syntactical aspects of the new language. ...
doi:10.1121/1.422278
fatcat:l4rayw2q4ja6demlq46irqfu4m
Simultaneous measurements of room‐acoustic parameters using different measuring equipment?
1998
Journal of the Acoustical Society of America
Preserved Fulltext
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These are the elements of cross talk, sound quality, sound focusing, sound isolation, sound ambience, localization, dynamic range, and reverberation times. ...
, and also with respect to aging, calibration sensitivity lifetime, etc. ...
., Jamaica, NY 11439͒ The ability of individuals to learn a new language requires mastering the phonetic as well as lexical and syntactical aspects of the new language. ...
doi:10.1121/1.422575
fatcat:fofoye2ypjho5nhhtqgr4fvczm
Starspots
2009
The Astronomy and Astrophysics Review
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A comparison of a white-light image of the Sun (G2V, 5 Gyr) with a Doppler image of a young solar-like star (EK Draconis; G1.5V, age 100 Myr, rotation 10 × Ω Sun ) and with a mean-field dynamo simulation ...
suggests that starspots can be of significantly different appearance and cannot be explained with a scaling of the solar model, even for a star of same mass and effective temperature. ...
In particular I would like to thank my mentors Douglas "Doug" Hall and William "Bill" Wehlau who got me going on this topic a number of years ago. ...
doi:10.1007/s00159-009-0020-6
fatcat:njd6crtlunbjnjgsbjszkemc4u
Quantum interface between light and atomic ensembles
2010
Reviews of Modern Physics
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Note that this fulltext copy is not of the "primary" version of this work. The version it corresponds to is:
2009 pre-print arXiv:0807.3358v4 fatcat:lelf6zlhvvhe7eua5e42fys7uiOther Versions
By now the atomic ensemble - light interfaces have become a powerful alternative to the cavity-enhanced interaction of light with single atoms. ...
During the past decade the interaction of light with multi-atom ensembles has attracted a lot of attention as a basic building block for quantum information processing and quantum state engineering. ...
In the following theoretical description we will provide a unified approach to all these types of interfaces. ...
doi:10.1103/revmodphys.82.1041
fatcat:zfm7hvcncrbinbs7eydlrocnbi
Generation and Transfer of Polarized Radiation in Hydrodynamical Models of the Solar Chromosphere
[article]
2014
arXiv
pre-print
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and 8662 A). ...
As a particular result, we obtained the first synthetic tomography of a model quiet chromosphere that includes maps of linear polarization dominated by the Hanle effect and of circular polarization dominated ...
We employed linear interpolation to introduce new grid points. In this approach to a better interpolation grid we face one of the limitations of working with non-adaptative discretization methods. ...
arXiv:1402.1567v1
fatcat:tgkvw6panffuvku2boshhwtlvq
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