標(biāo)題: Titlebook: Data Assimilation; The Ensemble Kalman Geir Evensen Book 2009Latest edition Springer-Verlag Berlin Heidelberg 2009 Data assimilation.Ensem [打印本頁] 作者: Eschew 時間: 2025-3-21 16:06
書目名稱Data Assimilation影響因子(影響力)
書目名稱Data Assimilation影響因子(影響力)學(xué)科排名
書目名稱Data Assimilation網(wǎng)絡(luò)公開度
書目名稱Data Assimilation網(wǎng)絡(luò)公開度學(xué)科排名
書目名稱Data Assimilation被引頻次
書目名稱Data Assimilation被引頻次學(xué)科排名
書目名稱Data Assimilation年度引用
書目名稱Data Assimilation年度引用學(xué)科排名
書目名稱Data Assimilation讀者反饋
書目名稱Data Assimilation讀者反饋學(xué)科排名
作者: 清真寺 時間: 2025-3-21 23:40 作者: 聯(lián)想記憶 時間: 2025-3-22 02:06 作者: 巡回 時間: 2025-3-22 05:38 作者: seduce 時間: 2025-3-22 11:08
on for any discipline where dynamics is merged with measurem.Data Assimilation comprehensively covers data assimilation and inverse methods, including both traditional state estimation and parameter estimation. This text and reference focuses on various popular data assimilation methods, such as wea作者: 情感脆弱 時間: 2025-3-22 13:03 作者: 情感脆弱 時間: 2025-3-22 20:46
Numa Markee,Olcay Sert,Silvia Kunitze formulation for the combined parameter and state estimation problem starting from Bayes’ theorem. Further, the resulting Euler–Lagrange equations are derived and we discuss some solution methods which also allow for the estimation of poorly known model parameters.作者: Vertical 時間: 2025-3-22 23:09 作者: glamor 時間: 2025-3-23 05:05
Intercultural Teaching in the Polish Context measurements is avoided. The square root methods are intuitively very appealing but there are also some pitfalls as pointed out by . (2004) and .. (2005). See also the papers by . (2008) and .. (2008) for a revised interpretation and mathematical analysis of the square root schemes.作者: separate 時間: 2025-3-23 07:52 作者: 輕而薄 時間: 2025-3-23 13:10
Lefort as Phenomenologist of the Political Optimally, it could be used for predicting the future production and to assist in the planning of new production and injection wells. A better model also provides insight and understanding regarding the properties of the reservoir.作者: 茁壯成長 時間: 2025-3-23 14:25
Introduction,en if the model is a perfect representation of reality, its solution will not describe reality unless we have perfect knowledge about the initial and boundary conditions which are often difficult to prescribe with high accuracy.作者: avarice 時間: 2025-3-23 22:05
Generalized Inverse,e formulation for the combined parameter and state estimation problem starting from Bayes’ theorem. Further, the resulting Euler–Lagrange equations are derived and we discuss some solution methods which also allow for the estimation of poorly known model parameters.作者: Freeze 時間: 2025-3-24 01:24
Sampling strategies for the EnKF,y . (2002) and . (1999) for further information. It is also shown that by selecting the initial ensemble, the model noise and the measurement perturbations wisely, it is possible to achieve a significant improvement in the EnKF results, without increasing the size of the ensemble.作者: SOBER 時間: 2025-3-24 03:29 作者: optional 時間: 2025-3-24 08:59
An ocean prediction system,EA” integrated system, and being one of the contributors to the international Global Ocean Data Assimilation Experiment (GODAE). The system is based on the latest scientific developments in terms of ocean modelling with the Hybrid Coordinate Ocean Model (HYCOM) and data assimilation with the EnKF.作者: maculated 時間: 2025-3-24 11:15 作者: 共同確定為確 時間: 2025-3-24 17:16 作者: metropolitan 時間: 2025-3-24 23:04 作者: Pelvic-Floor 時間: 2025-3-25 00:11 作者: 盡管 時間: 2025-3-25 07:00 作者: 故意 時間: 2025-3-25 09:06
Analysis scheme,is particular time. It is assumed that error statistics of the model prediction as well as the measurements are known and characterized by the respective error covariances. Based on this information the so-called analysis scheme used in linear data assimilation methods is presented in some detail. F作者: AND 時間: 2025-3-25 14:00 作者: Free-Radical 時間: 2025-3-25 17:06
Nonlinear variational inverse problems,odels will be treated extensively in the following chapters, but an introduction is in place here. The focus will be on some highly nonlinear problems which cannot easily be solved using the representer method. Examples are given were instead, so-called direct minimization methods are used.作者: 消息靈通 時間: 2025-3-25 22:17
Probabilistic formulation,sent a mathematically and statistically consistent formulation of the combined parameter and state estimation problem. The starting point is Bayes’ theorem which defines the posterior probability density function of the poorly known parameters and the model solution conditioned on a set of observati作者: 擔(dān)憂 時間: 2025-3-26 01:59
Generalized Inverse,ian statistics for the priors. This was previously demonstrated by . (1996) using the results from . (1970). We will now derive the generalized inverse formulation for the combined parameter and state estimation problem starting from Bayes’ theorem. Further, the resulting Euler–Lagrange equations ar作者: Fantasy 時間: 2025-3-26 06:22
Ensemble methods,KF). They belong to a general class of so-called particle methods which use a Monte Carlo or ensemble representation for the pdfs, an ensemble integration using stochastic models to model the time evolution of the pdfs, and different schemes for conditioning the predicted pdf given the observations.作者: 抱狗不敢前 時間: 2025-3-26 12:20
Statistical optimization,elihood estimate. Many solution methods, e.g. gradient methods, search only for the minimum of the cost function, and do not provide information about the uncertainty of the solution. The uncertainty can be estimated using statistical sampling based on the Metropolis or hybrid Monte Carlo methods fr作者: 地殼 時間: 2025-3-26 14:29 作者: parasite 時間: 2025-3-26 18:05 作者: Indecisive 時間: 2025-3-26 21:24
Rank issues,ber of members in the ensemble or when the matrix . for some reason has poor conditioning. In this chapter we will discuss these difficulties and propose algorithms that still makes it possible to use the EnKF analysis schemes in cases with poor conditioning. Thus, we provide an extended discussion 作者: 閑逛 時間: 2025-3-27 03:17 作者: 發(fā)起 時間: 2025-3-27 08:23 作者: ADJ 時間: 2025-3-27 09:43
Estimation in an oil reservoir simulator,d to improve the predictive capability of the models. There are economical benefits of obtaining a model which best possible represents the reservoir. Optimally, it could be used for predicting the future production and to assist in the planning of new production and injection wells. A better model 作者: 知識 時間: 2025-3-27 13:35 作者: Ibd810 時間: 2025-3-27 20:05 作者: 嚙齒動物 時間: 2025-3-28 00:20 作者: Charlatan 時間: 2025-3-28 04:06
Statistical definitions,Basic statistical definitions which will be used in the following chapters are explained. The following is only meant to be a quick reference on statistical notation and definitions and more elaborate textbooks can be used for a comprehensive introduction to the subject.作者: 可轉(zhuǎn)變 時間: 2025-3-28 07:07 作者: PSA-velocity 時間: 2025-3-28 10:59
Model errors,We will now discuss the use of model errors in the ensemble and representer methods. A particular focus will be on the impact of time-correlated model errors. A simple scalar equation is used to illustrate the use of the ensemble and the representer methods for combined parameter and state estimation in this case.作者: 煤渣 時間: 2025-3-28 17:23
Classrooms as Formal Contexts for Learningal processes. In many cases the model excludes several processes or scales which are believed to have less importance for the applications at hand. Even if the model is a perfect representation of reality, its solution will not describe reality unless we have perfect knowledge about the initial and 作者: DRAFT 時間: 2025-3-28 20:27 作者: 防御 時間: 2025-3-28 23:50 作者: Abutment 時間: 2025-3-29 05:46
https://doi.org/10.1007/978-3-319-30373-4odels will be treated extensively in the following chapters, but an introduction is in place here. The focus will be on some highly nonlinear problems which cannot easily be solved using the representer method. Examples are given were instead, so-called direct minimization methods are used.作者: Conserve 時間: 2025-3-29 10:56 作者: 點(diǎn)燃 時間: 2025-3-29 11:33
Numa Markee,Olcay Sert,Silvia Kunitzian statistics for the priors. This was previously demonstrated by . (1996) using the results from . (1970). We will now derive the generalized inverse formulation for the combined parameter and state estimation problem starting from Bayes’ theorem. Further, the resulting Euler–Lagrange equations ar作者: 致命 時間: 2025-3-29 16:15
Numa Markee,Silvia Kunitz,Olcay SertKF). They belong to a general class of so-called particle methods which use a Monte Carlo or ensemble representation for the pdfs, an ensemble integration using stochastic models to model the time evolution of the pdfs, and different schemes for conditioning the predicted pdf given the observations.作者: corporate 時間: 2025-3-29 23:32
https://doi.org/10.1007/978-3-030-52193-6elihood estimate. Many solution methods, e.g. gradient methods, search only for the minimum of the cost function, and do not provide information about the uncertainty of the solution. The uncertainty can be estimated using statistical sampling based on the Metropolis or hybrid Monte Carlo methods fr作者: Favorable 時間: 2025-3-30 00:56 作者: Brittle 時間: 2025-3-30 07:07
Intercultural Teaching in the Polish Context01), the review by .. (2003), and the paper by . (2004), have developed “square root” implementations of the analysis scheme where the perturbation of measurements is avoided. The square root methods are intuitively very appealing but there are also some pitfalls as pointed out by . (2004) and .. (2作者: TSH582 時間: 2025-3-30 09:14
https://doi.org/10.1007/978-3-319-00188-3ber of members in the ensemble or when the matrix . for some reason has poor conditioning. In this chapter we will discuss these difficulties and propose algorithms that still makes it possible to use the EnKF analysis schemes in cases with poor conditioning. Thus, we provide an extended discussion 作者: Aspiration 時間: 2025-3-30 12:51
https://doi.org/10.1007/978-94-009-5376-5ng spatial distances or between variables known to be uncorrelated. The spurios correlations imply that variables that are supposed to be uncorrelated with an observation, experience a small unphysical update. Over time and with many data, the spurious updates may cancel out and the drift in the mea作者: PALL 時間: 2025-3-30 16:58 作者: follicle 時間: 2025-3-30 21:10 作者: Nausea 時間: 2025-3-31 00:51
Anna Mystkowska-Wiertelak,Miros?aw Pawlakary to the sequential methods which update the model solution every time observations are available, variational methods seek an estimate in space and time where the estimate at a particular time is dependent on both past and future measurements.作者: Console 時間: 2025-3-31 08:30 作者: gratify 時間: 2025-3-31 10:58 作者: 怒目而視 時間: 2025-3-31 16:10 作者: 軟膏 時間: 2025-3-31 21:18 作者: 信徒 時間: 2025-3-31 22:47
http://image.papertrans.cn/d/image/262721.jpg作者: TERRA 時間: 2025-4-1 03:43
https://doi.org/10.1007/978-3-642-03711-5Data assimilation; Ensemble Kalman Filter; Ensemble Kalman Smoother; Measure; bayesian statistics; invers作者: antidote 時間: 2025-4-1 06:20
978-3-642-42476-2Springer-Verlag Berlin Heidelberg 2009