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Development of Innovative Mechanical Flexible Solar Array Architecture
2017
E3S Web of Conferences
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THALES ALENIA SPACE used again flexible solar array mock-up, performed deployment/coiling tests with innovative tape springs. ...
Flexible solar array architecture is proposed instead of rigid one, for high power solar array used from space tug mission to GEO satellite one, but also for specific scientific mission. ...
-Constellations Applications are good candidates for flexible array use while this solution is a great competitiveness lever in addition of any parallel development for network and cells cost saving. ...
doi:10.1051/e3sconf/20171601005
fatcat:ktk43kanpncq5fcllymq5z6kru
Noise figure limits for circular loop MR coils
2009
Magnetic Resonance in Medicine
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The purpose of this study is to determine these relationships in order to optimize array design and to investigate possible limits to the number of channels that can reasonably benefit an MR system. ...
With the advent of parallel imaging using large numbers of loop elements [1] along with high-field MR, the geometric size of the loops is critical in determining detection and/or transmission efficiency ...
Loop radius vs MR frequency for single tape coils. (a) Array geometries (i-v) for wire loops and flat tape loops. ...
doi:10.1002/mrm.21948
pmid:19253376
pmcid:PMC2869245
fatcat:yhblolkvhfdqxb3x7jdvvb5nty
Numerical models for ac loss calculation in large-scale applications of HTS coated conductors
2016
Superconductors Science and Technology
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2015 pre-print arXiv:1509.05560v1 fatcat:ha4jumcb2nc23a3pxwcbrnitga
Such models could be used to design and optimize large-scale HTS devices. ...
While the models work well for the simulation of individual tapes or relatively small assemblies, their direct applicability to devices involving hundreds or thousands of tapes, as for example coils used ...
For a given device using HTS coated conductor tapes, this reduces to calculating hysteretic losses of a stack or an array of tapes for at least one period. ...
doi:10.1088/0953-2048/29/2/024007
fatcat:7dhsbaq67fbghilt4aogtzdyxq
Optimized management of large-scale data sets stored on tertiary storage systems
2004
IEEE Distributed Systems Online
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A new system, optimized toward high-performance computing, extends the RasDaMan (Raster Data Management) database management system to allow flexible management of multidimensional spatiotemporal data ...
For data access in high-performance computing (HPC), tertiary storage systems' main drawbacks are high access latency compared to hard-disk devices and no random access capability. ...
Another research topic is parallel query support for multidimensional data. We hope to exploit RasDaMan's inter-and intra-object parallelism techniques to improve tertiary storage access performance. ...
doi:10.1109/mdso.2004.5
fatcat:7zrsrhpnmra7ff5u6agdn4citm
GPU-accelerated adjoint algorithmic differentiation
2016
Computer Physics Communications
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The vectorization allowed usage of optimized parallel libraries during forward and reverse passes which resulted in high speedups for the vectorized CPU version compared to the naive reference implementation ...
Parallelization is difficult because threads need to synchronize their accesses during taping and backpropagation. ...
Acknowledgments This work was supported by the European Research Council (ERC Starting Grant 309495: NeoNaNo) and the German Ministry for Education and Research (BMBF) (funding programs Virtual Liver ( ...
doi:10.1016/j.cpc.2015.10.027
pmid:26941443
pmcid:PMC4772124
fatcat:pnyxd3butjdohcxbbib7nvctju
A high-performance application data environment for large-scale scientific computations
2003
IEEE Transactions on Parallel and Distributed Systems
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(as in high-performance storage management systems and parallel file systems), or they sacrifice significant performance in exchange for ease-of-use and portability (as in traditional database management ...
computational and storage power on parallel architectures. ...
The authors would like to thank Reagan Moore for discussions and help with SDSC resources. ...
doi:10.1109/tpds.2003.1255638
fatcat:aadiuvpwt5dfzicenrip5uytpq
A novel application development environment for large-scale scientific computations
2000
Proceedings of the 14th international conference on Supercomputing - ICS '00
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Our results demonstrate that our novel application development environment provides both ease-of-use and high performance for large-scale, I/O-intensive scientific applications. ...
T h i r u v a t h u k a l , t and A, S i n g h t C e n t e r for Parallel a n d D i s t r i b u t e d C o m p u t i n g D e p a r t m e n t o f E l e c t r i c a l and C o m p u t e r E n g i n e e r i ...
We would like to thank Reagan Moore for discussions and help with SDSC resources. ...
doi:10.1145/335231.335258
dblp:conf/ics/ShenLCMKMTS00
fatcat:gskhprdo7jfatlxco7m7qrvmqi
Critical Evaluation of Existing External Sorting Methods in the Perspective of Modern Hardware
2015
Databases, Texts, Specifications, Objects
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These methods were originally designed for systems with small amount of operating (internal) memory and magnetic tapes used as external memory. ...
External sorting methods which are designed to order large amounts of data stored in persistent memory are well known for decades. ...
[6] which proposes an adaptation of Mergesort for inmemory parallel data streaming systems. ...
dblp:conf/dateso/Krulis15
fatcat:nektuqjoejcxlaaijmzjj5b6jq
A quantum analog of Huffman coding
2000
IEEE Transactions on Information Theory
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In this section, we use the model of a quantum gate array for quantum computation. ...
Notice that the length of the second tape is dlog l max e which is generally small compared to n. The usage of the second tape is a small price to pay for efficient parallel implementation. ...
doi:10.1109/18.850709
fatcat:yw4nbshxgfalhiwgjzkdnihnzu
Page 2375 of Mathematical Reviews Vol. , Issue 80F
[page]
1980
Mathematical Reviews
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linear bounded automata, rectangular array-bounded cellular space acceptors, parallel-sequential array automata as well as multiscanner parallel-sequential array automata. ...
The proof uses a parallel stacking tech- nique. Kurt Mehlhorn (Saarbriicken)
Peleg, Shmuel 80f:68095 Maximal derivations for probabilistic strings in stochastic
languages. ...
Page 3961 of Mathematical Reviews Vol. , Issue 91G
[page]
1991
Mathematical Reviews
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We give almost optimal algorithms for pattern matching in arrays and for related problems: longest common subarray, longest repeated subarray and longest symmet- ric subarray. ...
Summary: “We present several new parallel algorithms in the field of string and array processing. ...
Tape casting of high dielectric ceramic composite substrates for microelectronics application
1999
Journal of Materials Processing Technology
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An optimal setting between the casting speed and the blade gap setting is, therefore, needed in order to achieve accurate and reproducible results when performing tape casting. ...
Tape casting was performed on a batch process type caster, and the tapes were cast using varying blade gaps and casting speeds. ...
They assumed a Newtonian¯ow for the slurry in a parallel channel consisting of both a Couette and Poiseuille¯ow, and obtained the following equation for predicting tape thickness: tape 2 &h o & tape 1 ...
doi:10.1016/s0924-0136(99)00131-4
fatcat:en5enpj5uzctxdal7bjy7fxfeu
Multi-layer Prefetching for Hybrid Storage Systems: Algorithms, Models, and Evaluations
2010
2010 39th International Conference on Parallel Processing Workshops
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In future systems with the nature of massive data processing and storing, hybrid storage systems opt for a solution to fulfill a variety of demands such as large storage capacity, high I/O performance ...
Parallel storage systems have been highly scalable and widely used in support of data-intensive applications. ...
The first component in PRE-DS is a SSD partitioning algorithm (or PaSSD for short), which dynamically partitions an array of SSDs among HDDs in such a way to maximize I/O performance. ...
doi:10.1109/icppw.2010.18
dblp:conf/icppw/NijimZQN10
fatcat:fzayrdpckfcvfpan6zwlkjtqha
Hierarchical data placement for navigational multimedia applications
2003
Data & Knowledge Engineering
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Storage issues need to be reconsidered for the new type of navigational multimedia applications, in order to improve system's performance. ...
A navigational graph-based model (for the multimedia data representation) is proposed to guide the data placement under a hierarchical storage topology. ...
The storage system involves both a tape library and a disk array in order to increase parallelization. ...
doi:10.1016/s0169-023x(02)00124-6
fatcat:etb5ba57s5hyjbi433ad4hvrvq
Inhomogeneity effects in HTS coated conductors used as resistive FCLs in medium voltage grids
2012
Superconductors Science and Technology
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Layers thicknesses used in the simulations have been chosen by fitting the temperature dependence of real tape resistances. ...
For Resistive Fault Current Limiters (RFCLs) based on high temperature superconducting coated conductors (HTS-CCs), inhomogeneity, in terms of critical current and geometrical imperfections such as stabilizer ...
Each phase of the RFCL device is composed by several paralleled tapes to obtain the required total critical current (I c,tot ). ...
doi:10.1088/0953-2048/25/9/095005
fatcat:bd7rflufirdsfmf2yvyhbh35iy
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