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maximum likelihood model
相关语句
  最大似然模型
     Maximum Likelihood Model Of Diagnosing Intestinal Obstruction
     肠梗阻诊断的最大似然模型
短句来源
     In the paper,combining probability statistics with medical practice,we introduce the principle,method and usage of maximum likelihood model of diagnosing intestinal obstrution.
     本文将概率统计学与医学实践相结合,介绍了肠梗阻诊断的最大似然模型的原理、方法及应用。
短句来源
     A novel speaker adaptation method named maximum likelihood model interpolation (MLMI) is proposed.
     本文提出了一种新的说话人自适应算法———最大似然模型插值。
短句来源
     A fast speaker adaptation method named the maximum likelihood model interpolation (MLMI) has been developed as an effective speaker adoptation method. The main shortcoming of MLMI is the large memory need to store speaker dependent (SD) models.
     最大似然模型插值 (maxim um likelihood model inter-polation,ML MI)算法是一种有效的快速自适应算法 ,它的主要缺点是需要存储大量的特定人模型。
短句来源
  “maximum likelihood model”译为未确定词的双语例句
     3) The acceleration ambiguity function in LFMCW radar is proposed in the thesis first time, meanwile, the formula of acceleration resolution and the optimal accumulation time of LFM signal is presentened4) Three methods for accelerately moving target detection (MTD) and parameter estimation: they are a new distribution named time-frequency rate distribution, the fast algorithm based on maximum likelihood model and FRFT algorithm, and based on a these methods, the detection and parameter estimation algorithm for LFM signal are proposed.
     4) 研究并提出了加速动目标在LFMCW雷达的三种检测与参数估计的方法:提出了描述信号的时间-调频斜率分布,以及基于该分布Radon变换的信号检测和参数估计算法; 研究了基于最大似然的信号检测和参数估计方法及快速算法;
短句来源
     Theoretical and experimental results on the scintillation effect of laser beam propagation through turbulent atmosphere over a complicated terrain are summarized. Main results include the processing technique of the experimental data, a maximum likelihood model for the scintillation probability, a systematical procedure for analyzing the scintillation temporal spectrum, a wavelet spectrum evaluation, the relationship between the wave spectrum and the turbulence spectrum, and the intermittency characteristics of the scintillation.
     综述了复杂地形条件下激光大气闪烁效应的实验及理论研究结果,包括实验数据处理方法、闪烁概率分布的极大似然模型、闪烁频谱特征系统分析方法、小波变换频谱分析方法、光波起伏频谱与湍流谱的关系,以及闪烁的间歇性等统计特征.
短句来源
     Maximum likelihood model combination is then advanced to solve the subsequent model selection problem. Experimental results on two sets indicated that 8
     实验结果说明为非语境因素分类建模可以提高声学模型的建模能力,而且模型组合算法可以有效解决统一建模所带来的模型选择问题。
短句来源
  相似匹配句对
     On Generalized Maximum Likelihood Estimation
     浅论“广义”最大似然估计
短句来源
     Totally Maximum Likelihood Estimation
     完全极大似然估计
短句来源
     is maximum.
     的影响极大。
短句来源
     Maximum Likelihood Estimation for Lognormal Model
     对数正态模型的极大似然估计
短句来源
     The Maximum Likelihood Estimations of Multlogistic Models
     多元逻辑模型的极大似然估计
短句来源
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  maximum likelihood model
The latter result is shown via a strong non-approximability result for the single string maximum likelihood model probem for 2-state PAs, which is of independent interest.
      
The latter result is shown via a strong non-approximability result for the single string maximum likelihood model probem for 2-state PAs, which is of independent interest.
      
Heuristic models that failed to account for imperfect dung pile detection produced a lower defecation rate estimate than that of a maximum likelihood model that explicitly modeled detection probability.
      
cyaneiventre, we estimated the rate of gamergate turnover as well as the lifespan of workers and gamergate tenure using a maximum likelihood model developed for this purpose.
      
Estimating the rate of gamergate turnover in the queenless ant Diacamma cyaneiventre using a maximum likelihood model
      
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In the paper, the problem of model building for disquilibrium model with changing parameters is discussed. A segmental maximum likelihood model-building approach for segment-changing parameters is proposed. As an application a disequilibrium model with segment-changing parameters for China's fixed capital investment is built.

本文讨论了变参数非均衡模型的建模问题,提出了变参数分段极大似然建模方法。作为应用实例建立了我国固定资产投资的变参数非均衡模型。

Quaternary geology is a dicipline which studies historic law of development of Quaternary geological processes. Among numerous Quaternary processes, sedimentary processes are the most important ones. Therefore, physical and mathematical modeling of sedimentary processes is of important significance for Quaternary research. This paper deals with basic mathematical models for sedimentary process simulation and their applications in Quaternary geology. Models of mathematical simulation of geological processes...

Quaternary geology is a dicipline which studies historic law of development of Quaternary geological processes. Among numerous Quaternary processes, sedimentary processes are the most important ones. Therefore, physical and mathematical modeling of sedimentary processes is of important significance for Quaternary research. This paper deals with basic mathematical models for sedimentary process simulation and their applications in Quaternary geology. Models of mathematical simulation of geological processes may be divided into stochastic models and deterministic models. Ten stochastic models and ten deterministic models are introduced in this paper. Ten stochastic models of sedimentary processes may be described as follows: (1) Markov process model Markov process is one kind of random processes. Markov chain is one form of Markov process and it is often used in simulation of sedimentary processes. Markov chain may be regarded as a sequence or chain of discrete states in time (or space), in which the probability of transition from one state to a given state in the next step in the chain depends on the previous state. Markov chains are successfully used in modeling of stratigraphic succession consisting of alternating beds of different lithologics. (2) Semi-Markov process model The often used form of Semi-Markov process model is Semi-Markov chain which is a method for studies of comprehensive law of alternative of stratigraphic succession and bed thickness distribution. Semi-Markov chain is an ideal model for simulation of some kinds of sedimentary processes. (3) Poisson process model Poisson process is one kind of random processes available for stochastic modeling of turbidity current sedimentation. If the duration of bed formation equals the waiting duation between turbidity currents, Poisson process may be used for simulating the distribution of bed thickness. Some results were obtained. (4) Random walk process model Random walk process is another kind of random processes and they are often used in simulation of bed thickness distribution and sedimentary bed formation. (5) Kolmogorov model During period of intensive activity of erosion, new sedimentary beds may be formated due to erosion and accumulation. Kolmogorov model is available for simulating these processes, utilizing successive random variables instead of discreate random walk processes. From (6) to (10) renewal process model, stationary random process model, multivariate model, maximum likelihood model and replacement analysis model are introduced respectively. All of them are useful mathematical tools for simulation of sedimentary processes. Ten deterministic models of sedimentary processes may be introduced as follows: (1) Constant-mass model Constant-mass model is one of basic math ematical model for simulation of sedimentary processes. It assumes that during a finite time interval the mass of sediment deposited is equal to the mass eroded from older sedimentary rocks, plus the mass eroded from igneous rocks. During the same time interval the mass of old sediments is reduced by obliteration, partly by erosion and partly by melting. It is assumed that the mass obliterated by melting equals the sediment mass recently derived from the erosion of igneous rocks. Thus the sediment mass deposited during any time interval equals the sediment mass obliterated. Therefore, during any time interval the amount of sediment deposited is constant and equal to some fixed fraction of the total sedimentary mass. This model is available for simulating processes quantitatively. (2) Linear-accumulation model Linear-accumulation model assumes that the total mass of sediment has accumulated linearly through time. Certain equation of linear-accumulation model is given and this equation states that the mass deposited during a time increment equals the amount derived from the erosion of the total sedimentary mass during another time increment plus the fraction derived from the erosion of igneous rock and newly added to the mass of sedimentary rock. This model is another model available for simulation of sedimentary processes. (3) Sedimentary-basin model The basic concepts of this model can be described as follows: The shape of a body of sedimentary rocks varies as a function of the quantity of material supplied to the depositional site, the rate of subsidence at the site, the rate of dispersal and the nature of the material supplied. The basic concepts of the model may be realized by mathematical formula and computer. Thus a simulation can be done. From (4) to (7) erosion-sedimentatlon model, model of sedimentation in depressed basin, model for sedimentation controlled by ckanges of base levels and model for sedimentation in epicontinental sea are introduced respectively. (8) Evaporite-basin model An evaporite-basin model emphasizes materials balance and the model is set up based on the mass-conservation principles. This model is available for modeling formation of evaporite beds. In (9) and (10) delta and spit simulation models are introduced. Applications of the above-mentioned 20 mathematical models in studies of Quaternary sedimentary environment, characteristics and genetic types of Quaternary sediments are discussed in detail.

内容提要本文扼要介绍了沉积模拟的基本数学模型,其中包括十种随机模拟数学模型和十种确定模拟数学模型,阐明其简要原理和应用范围,并讨论它们在第四纪研究中的应用现状和前景。本文涉及的应用范围主要为:第四纪沉积环境、第四纪沉积物特征和成因类型。最后讨论了地质过程数学模拟的特点和意义、第四纪沉积过程数学模拟对提高第四纪地质学研究定量化水平的作用,以及进一步开展工作的方向。

Intestinal obstruction is a crisis of digestive system disease. It's very important to differentially diagnose between simple intestinal obstruction and strangulated intestinal obstruction. In the paper,combining probability statistics with medical practice,we introduce the principle,method and usage of maximum likelihood model of diagnosing intestinal obstrution.

肠梗阻是一种消化系统的危重疾病。对单纯性肠梗阻和绞窄性肠梗阻的鉴别诊断非常重要。本文将概率统计学与医学实践相结合,介绍了肠梗阻诊断的最大似然模型的原理、方法及应用。

 
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