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Suboptimal Schemes for Retrospective Data Assimilation Based on the Fixed-Lag Kalman Smoother

R. Todling, S. E. Cohn, N. S. Sivakumaran
1998 Monthly Weather Review  
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 fatcat:jh67zfgjlnhe5itumdzss6oizy

Redes Neurais Artificiais na Melhoria de Desempenho de Métodos de Assimilação de Dados: Filtro de Kalman

R.S. Cintra, H.F. De Campos Velho, R. Todling
2010 TEMA  
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 2 3 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

J. Le Marshall, J . Jung, J. Derber, M. Chahine, R. Treadon, S J. Lord, M Goldberg, W Wolf, H C. Liu, J Joiner, J. Woollen, R. Todling (+2 others)
2006 Bulletin of The American Meteorological Society - (BAMS)  
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

J. Liu, E. J. Fertig, H. Li, E. Kalnay, B. R. Hunt, E. J. Kostelich, I. Szunyogh, R. Todling
2008 Nonlinear Processes in Geophysics  
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

R. Kirschner-Schwabe, C. Lottaz, J. Todling, P. Rhein, L. Karawajew, C. Eckert, A. von Stackelberg, U. Ungethum, D. Kostka, A. E. Kulozik, W.-D. Ludwig, G. Henze (+3 others)
2006 Clinical Cancer Research  
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

Michele M. Rienecker, Max J. Suarez, Ronald Gelaro, Ricardo Todling, Julio Bacmeister, Emily Liu, Michael G. Bosilovich, Siegfried D. Schubert, Lawrence Takacs, Gi-Kong Kim, Stephen Bloom, Junye Chen (+17 others)
2011 Journal of Climate  
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  
Wash away infant skin problems with iTk \ —— 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

Angelė Kėdaitienė, Vytautas Kėdaitis
2010 Lithuanian journal of statistics  
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

Xiuyou Han, Bofan Huo, Yuchen Shao, Chao Wang, Mingshan Zhao
2017 IEEE Photonics Technology Letters  
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

Xiuyou Han, Xinxin Su, Shuo Wang, Yuchen Shao, Hanqiao Wang, Chao Wang, Mingshan Zhao, Bahram Jalali, Keisuke Goda, Ming Li, Kevin K. Tsia
2018 Real-time Photonic Measurements, Data Management, and Processing III  
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

M. V. Drummond, R. N. Nogueira, V. C. Duarte, A. Pęczek, G. Winzer, D. Petousi, L. Zimmerman, Nikos Karafolas, Bruno Cugny, Zoran Sodnik
2017 International Conference on Space Optics — ICSO 2016  
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  
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

M. Verlaan, A. W. Heemink
1997 Stochastic hydrology and hydraulics (Print)  
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

Rūta Kropienė, Gžegož Jurgo
2010 Lithuanian journal of statistics  
(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

Michael Ghil, Carlos Mechoso
1992 Oceanography  
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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