A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf.
Filters
High performance control of a Corner Cube Reflector by a frequency-domain data-driven robust control method
2016
2016 American Control Conference (ACC)
Preserved Fulltext
A data-driven H∞ robust controller design method is proposed to improve the control performance. ...
The linear motion of the Corner Cube Mechanism developed for the infrared sounder of the third generations of Meteosat weather satellites requires a high level of accuracy. ...
A public-domain toolbox for robust controller design in the frequency domain [9] is used to compute the controller, which guarantees performance, robustness and stability. ...
doi:10.1109/acc.2016.7524956
dblp:conf/amcc/ThalmannRK16
fatcat:zehr4pyfxjedhhukl7ytlojjcu
Requirements and challenges for tactical free-space Lasercomm
2008
MILCOM 2008 - 2008 IEEE Military Communications Conference
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf.
We present a brief overview of the current military communication infrastructure and future needs, before highlighting terrestrial Lasercomm technology status and trends, and lessons learned from several ...
Optical link service parameters and metrics are assessed in the context of available architecture and techniques, while the effectiveness of various technologies to mitigate atmospheric turbulence, poor ...
MRRs have typically been corner cube prisms. The modulator can cover the face of the corner cube or be a reflector acting as one or more of the sides of the prism. ...
doi:10.1109/milcom.2008.4753049
fatcat:l6e6izcy6bdu5aw7duzuvhyt6i
Cubesat Antenna Analysis and Design: Are you using the right computational electromagnetic tool?
2021
Advanced Electromagnetics
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2022; you can also visit the original URL.
The file type is application/pdf.
Then, capabilities and limitations of different CEM solving methods are presented. ...
Finally, a case study of Masat-1 antenna system design is presented as practical example. ...
Reference [13] readdress optimization of horn antenna as high-performance feeds in reflectors using a novel approach; direct enhancement of the over-all system performance by co-simulating the feed and ...
doi:10.7716/aem.v10i2.1517
fatcat:etqd277mhfb35den2vcr3nj2z4
Atomic clock ensemble in space
2011
Journal of Physics, Conference Series
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2018; you can also visit the original URL.
The file type is application/pdf.
This paper has been written on behalf of the many scientists and engineers contributing to the mission development. ...
equipped with corner cube reflectors. ...
The on-board hardware consists of a Corner Cube Reflector (CCR), a Single-Photon Avalanche Diode (SPAD), and an event timer board connected to the ACES time scale. ...
doi:10.1088/1742-6596/327/1/012049
fatcat:i5lrikgtvvbsdniukkz4nyixnm
Three-dimensional reflection seismic imaging of the iron oxide deposits in the Ludvika mining area, Sweden, using Fresnel volume migration
2022
Solid Earth
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2022; you can also visit the original URL.
The file type is application/pdf.
Comparison of the known mineralization with the final FVM reflection volume suggests a good agreement of the position and the shape of the imaged reflectors caused by the mineralization. ...
One of these reflectors is interpreted to be a fault intersecting the mineralization, which can be traced to the surface and linked to a fault trace in the geological map. ...
A special thanks to all people involved in the fieldwork of the 2019 survey and NIO for their support for planning and during the field campaign. ...
doi:10.5194/se-13-917-2022
fatcat:6sx55waombda3ntnpspoj2whke
Modulating retro-reflector lasercom systems at the Naval Research Laboratory
2010
2010 - MILCOM 2010 MILITARY COMMUNICATIONS CONFERENCE
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf.
Free space optical (FSO) communication has enjoyed a renewal of interest driven by increasing data rate requirements and the crowding of the RF spectrum, affecting both commercial and military sectors. ...
Military communications must also deal with intentional or unintentional jamming, as well as frequency allocation restrictions, neither of which affects FSO. The U.S. ...
Free space optical (FSO) communication has enjoyed a renewal of interest driven by increasing data rate requirements and the crowding of the RF spectrum, affecting both commercial and military sectors. ...
doi:10.1109/milcom.2010.5680205
fatcat:o6yjv6pd4vb2lboibxb7s2e54q
UniScatter: a Metamaterial Backscatter Tag for Wideband Joint Communication and Radar Sensing
2023
Proceedings of the 29th Annual International Conference on Mobile Computing and Networking
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2023; you can also visit the original URL.
The file type is application/pdf.
The key design of UniScatter is a graphene-based modulator and a lens-based retroreflector, which have consistent electromagnetic responses across an extensive frequency range and wide angular field-of-view ...
Our field tests show that UniScatter can backscatter signals across a wide frequency band from 24 GHz to 77 GHz with consistently high signal strength and wide angular coverage in 3D space. ...
The work reported in this paper is supported in part by the NSF under Grants CNS-1901048, CNS-1925767, and CNS-2128588. ...
doi:10.1145/3570361.3592526
fatcat:q7zyd4x3gzdbrogtwgjpfde634
Laser ranging interferometer for GRACE follow-on
2017
International Conference on Space Optics — ICSO 2012
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2018; you can also visit the original URL.
The file type is application/pdf.
operate together with the microwave ranging and supply a complimentary set of ranging data with lower noise, and new data on the relative alignment between the spacecraft. ...
To continue that data after the imminent end of the GRACE mission, a followon mission is planned to be launched in 2017, as a joint US-German project with a smaller Australian contribution. ...
Parts of the research described in this publication were carried out at the Jet Propulsion Laboratory, California Institute of Technology, under a contract with the National Aeronautics and Space Administration ...
doi:10.1117/12.2309099
fatcat:avvul3pknbeinpqtunbgzcogoq
Underwater Optical Wireless Communication
2016
IEEE Access
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2018; you can also visit the original URL.
The file type is application/pdf.
In this paper, the main focus is to understand the feasibility and the reliability of high data rate underwater optical links due to various propagation phenomena that impact the performance of the system ...
It has been reported in [34] that RF frequencies in MHz range are capable of propagating in sea water up to distance of 100 m by using dipole radiation with high transmission powers in the order of 100 ...
The corner-cube retro-reflector has the FIGURE 7. ...
doi:10.1109/access.2016.2552538
fatcat:rpfv7m7vvzbinehfqmj7kxfp34
Year 3 LUNAR Annual Report to the NASA Lunar Science Institute
[article]
2012
arXiv
pre-print
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
Other Versions
The LUNAR team is exploring technologies that are likely to have a dual purpose, serving both exploration and science. There is a certain degree of commonality in much of LUNAR's research. ...
The Lunar University Network for Astrophysics Research (LUNAR) is a team of researchers and students at leading universities, NASA centers, and federal research laboratories undertaking investigations ...
Performance is best during transition, as the thermal gradients in the corner cube reverse. ...
arXiv:1204.3574v2
fatcat:lus6lyzlbfbobdyn32rsutshua
High speed optical coherence microscopy with autofocus adjustment and a miniaturized endoscopic imaging probe
2010
Optics Express
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2019; you can also visit the original URL.
The file type is application/pdf.
Abstract Optical coherence microscopy (OCM) is a promising technique or high resolution cellular imaging in human tissues. ...
The system utilized a novel polarization compensation method to combat wavelength dependent source polarization and achieve broadband electro-optic phase modulation compatible with ultrahigh axial resolution ...
Acknowledgments This work was supported by in part by the National Institutes of Health R01-CA75289-13 and R01-EY11289-25, the Air Force Office of Scientific Research FA9550-07-1-0101 and FA9550-07-1-0014 ...
doi:10.1364/oe.18.004222
pmid:20389435
pmcid:PMC2908909
fatcat:epyrgnic5jgxli2j72x66apcaa
Apertif, Phased Array Feeds for the Westerbork Synthesis Radio Telescope
[article]
2021
arXiv
pre-print
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2021; you can also visit the original URL.
The file type is application/pdf.
Other Versions
With this upgraded instrument, an imaging survey covering an area of 2300 deg2 is being performed which will deliver both continuum and spectral line data sets, of which the first data has been publicly ...
We describe the APERture Tile In Focus (Apertif) system, a phased array feed (PAF) upgrade of the Westerbork Synthesis Radio Telescope which has transformed this telescope into a high-sensitivity, wide ...
This work makes use of data from the Apertif system installed at the Westerbork Synthesis Radio Telescope owned by ASTRON. ...
arXiv:2109.14234v2
fatcat:w4kud6lv2vf43bquhwsx35vfsa
Automated design of a convolutional neural network with multi-scale filters for cost-efficient seismic data classification
2020
Nature Communications
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2022; you can also visit the original URL.
The file type is application/pdf.
by an automated data-driven search strategy. ...
Classification or segmentation of 2D/3D seismic images commonly relies on conventional deep learning methods for image recognition. ...
Acknowledgements We also thank the contributor of Blake Ridge Hydrates seismic data, Dr. W. Steven Holbrook, University of Wyoming, PI of the NSF project that acquired these data. ...
doi:10.1038/s41467-020-17123-6
pmid:32620867
pmcid:PMC7335201
fatcat:45gd57l5vfg7jpy332k23ujxnq
Apertif: Phased array feeds for the Westerbork Synthesis Radio Telescope. System overview and performance characteristics
2021
Astronomy and Astrophysics
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2022; you can also visit the original URL.
The file type is application/pdf.
We describe the APERture Tile In Focus (Apertif) system, a phased array feed (PAF) upgrade of the Westerbork Synthesis Radio Telescope that transforms this telescope into a high-sensitivity, wide-field-of-view ...
In addition, a time domain transient and pulsar survey covering 15 000 deg 2 is in progress. ...
This work makes use of data from the Apertif system installed at the Westerbork Synthesis Radio Telescope owned by ASTRON. ...
doi:10.1051/0004-6361/202141739
fatcat:6ti6q2lzczgubezdhvjzo6suoy
Fluorescence Lifetime Heterogeneity Resolution in the Frequency Domain by Lifetime Moments Analysis
2005
Biophysical Journal
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf.
Lifetime detection in the frequency-domain yields two lifetime estimations. ...
Quantitative and precise data analysis methods are required to access the richness of information that is contained in FRET data on biological samples. ...
This work was supported by the DFG Research Center Molecular Physiology of the Brain. ...
doi:10.1529/biophysj.104.053397
pmid:16169974
pmcid:PMC1366993
fatcat:abkk4ggp3jf4voezmpcjvcbezu
« Previous
Showing results 1 — 15 out of 466 results