首先用参数模型来描述雷达探测信号,然后用最大似然(ml)法对模型参数进行估计。
Using parameter model to describe the radar signals reflective from targets and then the model parameters are estimated by means of ML method.
系统采用具有自适应补偿的电压模型估算定子磁链,PI自适应法估计转速。
The stator flux is estimated by adaptive compensated voltage model, and the speed is estimated with PI adaptive method.
在正常连轧生产条件下,同时在线采集轧辊与轧件速度并采用电流—力矩法估计机架问张力值,可以在线地识别前滑模型。
By simultaneously sampling roll-bar speed and estimating tension by electric current-torque method the forward slip model for continuous shape rolling can be identified on-line.
针对静态背景下的背景差法,通过研究如何得到、以及如何及时更新背景模型,增强运动目标检测随环境变化的鲁棒性,提出了多级分块的背景估计方法。
Background estimation based on block is proposed to solve the problem of building background model and updating background which can enhance the robust of moving object detection.
模型参数估计LS和IVLS法在回旋窑烘干过程的开环辩识中都得到了应用和推广。
Both the LS and the IVLS parameter estimation techniques are successfully tested for open-loop idendification of rotary drying process.
在估计遗传及表型参数时,建立系统分组模型剔除非遗传效应的父系半同胞法优于简单的父系半同胞法;
It is more accurate to estimate genetic and phenotypic parameters from a hierachical classification model excluding non-genetic deviattion than from a simple paternal half-sib correlation.
利用最大似然估计法对模型中的参数进行了估计。
The parameters in model were estimated by maximum likelihood estimate method.
利用最大似然估计法对模型中的参数进行了估计。
The parameters in model are estimated by maximum likelihood estimate method.
采用蒙特卡罗法设计车辆转弯行为仿真模型,并提出了局域路网交通量与OD矩阵估计的集成仿真方法。
Monte Carlo Stochastic Modeling Method is adopted to design vehicle turning behavior module, and a simulation model integrating link traffic flow and od matrix estimation is established.
针对不同的需求情形,分别提出了求解交通平衡模型的基于需求点逼近的点估计法和基于模型的表达式分析法。
Based on different demand cases, a single point estimation method based on demand approximation and an analytical expression method based on traffic equilibrium model were put forward.
本文用极大拟似然估计法估计了中国银行间市场七天拆借利率扩散模型的参数。
Maximum pseudo-Likelihood method is used to estimate the coefficient functions in the diffusion of Single-Factor Interest Rate Models.
利用核函数法和广义最小二乘法给出了一般变系数ev模型系数参数的估计,得到了估计的强相合性。
In this paper, the estimation of coefficient functions in a varying-coefficients EV model are constructed by using kernel smoothing and generalized least square method.
在应用模型法估计转化管剩余寿命中,本文提出了一个力学计算模型。
A computational model was presented in estimating residual life of reformer tubes by the method of model.
由于本算法能够估计出目标的法向和切向加速度,进行适当的模型集设计后,可以实现对复杂、快速机动目标的全过程跟踪,具有可扩展性的应用前景。
Because this algorithm can estimate the normal and tangent acceleration, it may be used to implement the tracking for the complexly and highly maneuvering target after appropriate model-set design.
为了提高新息改进GM(1,1)模型的预测精度,引入累积法对新息改进GM(1,1)模型的参数进行估计,给出了新的参数估计公式。
In order to improve the forecast precision of modified GM (1, 1) model, a new parameter estimation formula based on accumulating method to modified GM (1, 1) model is proposed.
而且本文通过极大似然法估计小波系数概率模型中的三个参数,使算法达到自适应。
Furthermore, through the maximum likelihood used for evaluating three parameters of wavelet coefficients' probability model, the adaptive algorithm is derived in the article.
至于GARCH(1,1)模型的估计过程,本文用最大似然估计法和BHHH算法求未知参数值。
As to the estimating process of GARCH (1, 1) model, the author adopted Maximum Likelihood Estimation and BHHH algorithm to get unknown parameters' value.
模型结构采用AIC准则法和逐步回归筛选法综合确定,模型参数采用最小二乘法估计。
The model structure is determined by AIC and stepbystep regression arithmetic, parameters of the model are estimated by the least square method.
将两参数逻辑斯蒂模型作为多级评分模型,并用迭代法对项目参数及能力参数进行点估计。
The two-parameter logistic model is regarded as a polychotomous test model, and the item parameter and the ability parameter are further estimated with the iteration method.
根据模糊数学综合程度估计法,建立了一种设备分类管理的综合程度估计模型。
By means of Fuzzy mathematics a comprehensive degree evaluation model for equipment classification management is set up.
引入一种新的数学模型方法——熵值估计法,对地域中不同规模的城市数量结构进行分析。
A new mathematic model named entropy evaluation method is introduced to analyze the structure of city Numbers in different size in a given zone.
作为此估计法的实际应用,本文导出了所讨论模型的参数的驻点似然估计。
As its practice, the stationary point likelihood estimator of the present model is derived.
本文给出了基于极径法球面测量的加权最小二乘估计模型,并依据该模型进行测量采样点布局的优化设计。
This article suggests a model for weighted least squares estimate for spherical surface measurement with polar radius method.
仿真实验结果表明:新的仿真方法改善了仿真数学模型的形式,并且利用经验值估计区间的参数优化法大大地提高了运算效率。
The simulation results express that the new simulation method improves simulation mathematical model, and the estimate zone method enhances the operation efficiency.
利用生长模型预测法、马尔科夫链预测法和回归模型预测法对玉米矮花叶病发生流行进行预测,并对玉米矮花叶病损失估计进行了初步探讨。
Maize dwarf Mosaic was predicted using growth model forecasting method, Markov chains forecasting method and regression model forecasting method. And yield loss of MDM was assessed.
对回归模型进行参数估计时,常用的两种重要方法是普通最小二乘法和最大似然法。
We often estimate the return model parameter by ordinary least squares and maximum likelihood.
研究了广义预测控制的模型反馈校正方法,将递推极大似然法和遗忘因子递推最小二乘法结合起来,给出了一种改进的递推极大似然参数估计算法。
Model feedback correction algorithm of GPC has Benn studied. Combining the RML and forgetting factor RLS, an improved RML parameter estimation method has been given.
文中用辅助变量法和LILC定阶准则结合来估计电液位置和力偶系统的阶和参数,根据估计参数的渐近正态性确定模型的子阶和时滞。
The instrumental variable method and LILC criterion are used to estimate the order and parameter of electro-hydraulic position and force coupled system.
文中用辅助变量法和LILC定阶准则结合来估计电液位置和力偶系统的阶和参数,根据估计参数的渐近正态性确定模型的子阶和时滞。
The instrumental variable method and LILC criterion are used to estimate the order and parameter of electro-hydraulic position and force coupled system.
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