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Suboptimal Schemes for Retrospective Data Assimilation Based on the Fixed-Lag Kalman Smoother
1998
Monthly Weather Review
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D e e f o r m a n y discussions throughout the course of this work. ...
Todling 1995) . ...
The following are the suboptimal schemes considered in this article for the lter portion of the xed{lag smoother algorithm (see Cohn and Todling 1996 , CT96 hereafter Todling et al. 1996 and Todling and ...
doi:10.1175/1520-0493(1998)126<2274:ssfrda>2.0.co;2
fatcat:jh67zfgjlnhe5itumdzss6oizy
Redes Neurais Artificiais na Melhoria de Desempenho de Métodos de Assimilação de Dados: Filtro de Kalman
2010
TEMA
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Esta formulação é equivalente no caso linear como: x a − x b = BH T (HBH T + R) −1 (y − H(x b )) (2.3) dividida em duas igualdades: λ = (HBH T + R) −1 (y − H(x b )) (2.4) x a − x b = BH T λ, (2. ...
A análise meteorológica é produzida pelo processo 1 rosangela.cintra@lac.inpe.br 2 haroldo@lac.inpe.br 3 todling@gmao.gsfc.nasa.gov de assimilação de dados, onde a informação recebida da observação é usada ...
doi:10.5540/tema.2010.011.01.0029
fatcat:vlw6zntvcneijdh25zrpk5pefi
Improving Global Analysis and Forecasting with AIRS
2006
Bulletin of The American Meteorological Society - (BAMS)
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FIG. 4. 500-hPa Z anomaly correlations for the GFS with (Ops + AIRS) and without (Ops) AIRS data, Northern Hemisphere, January 2004.
doi:10.1175/bams-87-7-891
fatcat:hbxyfiq7hzeqpi6qd42wd6ks3y
Comparison between Local Ensemble Transform Kalman Filter and PSAS in the NASA finite volume GCM – perfect model experiments
2008
Nonlinear Processes in Geophysics
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In the specification of the error covariance, only the matrices HP b H T + R and P b H T are calculated and stored. These matrices depend on the observation types. ...
More specifically, PSAS applies a conjugate gradient (CG) algorithm to solve the system ) ( ) ( b o T b h x y w R H HP − = + (3) for an intermediate variable w defined in observation space. ...
doi:10.5194/npg-15-645-2008
fatcat:mvyvdxbqmrgi3eo7pveoeo5ldm
Expression of Late Cell Cycle Genes and an Increased Proliferative Capacity Characterize Very Early Relapse of Childhood Acute Lymphoblastic Leukemia
2006
Clinical Cancer Research
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The complete procedure has been implemented in the Bioconductor compliant R package twilight (22) . ...
Prediction of genetic and immunologic ALL subtypes in relapse samples Predicted* B C R -A B L E 2 A -P B X 1 T E L -A M L 1 M L Lrearranged Hyperdiploid T-cell ALL True c BCR-ABL 2 ö ö ö ö ö E2A-PBX1 ö ...
doi:10.1158/1078-0432.ccr-06-0235
pmid:16899601
fatcat:7vrqnsbudrdhhflkd7kbjro4oq
MERRA: NASA's Modern-Era Retrospective Analysis for Research and Applications
2011
Journal of Climate
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I E N E C K E R E T A L . ...
J O U R N A L O F C L I M A T E VOLUME 24 ...
doi:10.1175/jcli-d-11-00015.1
fatcat:4mz7fqbb5vhy3lanl7k3lkjubm
Page 166 of JAMA Pediatrics Vol. 102, Issue 1
[page]
1961
JAMA Pediatrics
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Wash away infant skin problems with iTk
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Diaparenee ee
om 5 Todl Todl & =
Diaparene Tod’! ...
Lipschutz, A., and Fitti, R. M.: A.M.A. Arch. Dermat. & Syph. 68:83 (July) 1953. 2. Schmitz, H. E., and Scannell, M.: Illinois M. J. 108:177 (Sept.) 1955. ...
Multidimensional Scaling in Market Research: Advantages and Disadvantages
2010
Lithuanian journal of statistics
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Multidimensional scaling was developed by psychometricians, namely R. N. Shepard (1962) and J. B. Kruskal (1964). ...
Dviej÷ dimensij÷ modelis
2 dimensija
1 dimensija
4 2 dimensija
1 dimensija
L I E T U V O S S T A T I S T I K O S DA R B A I , 2 0 1 0 ( 4 9 )LITERATpRA ...
DAUGIAMA,It SKALIt ANALIZ8S ISTORIJA DS buvo sukurtos ir ilg¦ laik¦ vystomos psichoǦ metrik÷ (psichometrija -mokslas apie matavimus psichologijoje), daugiausia prie to prisid·jo R. N. ...
doi:10.15388/ljs.2010.13948
fatcat:ozkdt3zgnjfmvajiki3m5pfuhq
RF Self-Interference Cancellation Using Phase Modulation and Optical Sideband Filtering
2017
IEEE Photonics Technology Letters
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The tapped RF signal r(t) from the transmitter (Tx), as the reference signal, is modulated on the light wave of 2 via PM 2 . ...
One part is input to PM 2 (EO Space, V =4.15 V, 10 GHz) as the reference signal r(t) and the other part is used as the interference signal i(t). ...
doi:10.1109/lpt.2017.2693690
fatcat:6gk3hg6wpjhqthm6eupso4ntuy
Photonic enabled RF self-interference cancellation for full-duplex communication
2018
Real-time Photonic Measurements, Data Management, and Processing III
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One part is input to PM 2 as the reference signal r(t) and the other part is used as the interference signal i(t). ...
The tapped RF signal r(t) from the transmitter (Tx), as the reference signal, is modulated on the light wave of 2 via PM 2 . ...
doi:10.1117/12.2503944
fatcat:pyuchlsjjrhdffifb7jtfj55h4
Coherent photonic beamformer for a Ka-band phased array antenna receiver implemented in silicon photonic integrated circuit
2017
International Conference on Space Optics — ICSO 2016
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technology will help enabling the sustained entry of photonics inside payloads, disrupting the capacity upgrade of multi-beam telecommunication satellite payloads, while at the same time leveraging the R& ...
The TODLs have a simple, potentially fast tuning mechanism, thereby enabling dynamic TTD beamforming. ...
doi:10.1117/12.2296131
fatcat:rkq5fgnhf5e27cmydy2s73brfa
Page 113 of Journal of the Atmospheric Sciences Vol. 61, Issue 1
[page]
2004
Journal of the Atmospheric Sciences
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Todling, R., and M. Ghil, 1994: Tracking atmospheric instabilities with the Kalman filter. Part I: Methodology and one-layer results. Mon. Wea. Rev., 122, 183-204. ...
Geophys., 33, 141-266.
——., and R. Todling, 1996: Tracking atmospheric instabilities with the Kalman filter. Part II: Two-layer results. Mon. Wea. Rev., 124, 2340-2352.
——, S. Cohn, J. Tavantzis, K. ...
Tidal flow forecasting using reduced rank square root filters
1997
Stochastic hydrology and hydraulics (Print)
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and Todling, 1995] . ...
Also for t h e p r o t e c t i o n of t h e dikes a n d for t h e ships e n t e r i n g t h e h a r b o r at R o t t e r d a m these predictions are needed. ...
doi:10.1007/bf02427924
fatcat:n7fjfiibfnbmjgqdoyja4l5mau
Weather Derivatives: Usage Possibilities for the Lithuanian Economy
2010
Lithuanian journal of statistics
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(7) Tod·l AEmon· tur·t÷ parduoti 1679 pasirinkimo pirkti kontraktus. ...
Tod·l besidraudžian«iai AEmonei bót÷ tikslinga sudaryti ateities sandorio pasiǦ rinkimo kontrakt¦. ...
doi:10.15388/ljs.2010.13949
fatcat:yuga3xczl5a6bo5kyz6eyymnhq
Data Assimilation and Predictability Studies for the Coupled Ocean-Atmosphere System
1992
Oceanography
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Wong; Figures 1 and 2 were prepared by R. Todling, Figure 3 by Z. Hao, and Figures 4 and 5 by W.M. Weibel. ...
Spahr, R. Todling, and W.M. Weibel, Many useful discussions with A. Arakawa, D. Halpern, P. Malanotte-Rizzoli, R.N. Miller, and J.D. Neelin are gratefully acknowledged. The manuscript was typed by C. ...
doi:10.5670/oceanog.1992.27
fatcat:fmavrcm2i5hnjmtijopn6u7z24
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