在此基础上提出一种基于线性矩法的熵估计方法(POMELM)。
A new parameter estimation method (POMELM) based on POME and L-moment is proposed in the thesis.
线性矩法在水文频率分析中具有理论优势,但因为计算复杂而实际应用较少。
The L-moment method has theoretical advantages in hydrologic frequency analyses, but less practical application because of its complexities in calculation.
在笔迹鉴别中为了便于获取特征字符的细微特征,基于线性矩和小波变换提出了提取特征字符纹理特征的方法。
The off-line character handwriting identification technique is a technique that aims to decide the identity of writers according to the character handwriting.
目的研究部分线性自回归模型中误差矩的估计。
Aim to study the estimates of error moments in partly linear autoregressive models.
本文研究了在空间相关地面运动数学模型下线性体系振动反应的前三阶谱矩的特点和它们的解析计算方法。
This paper studies the Characteristics of the first three spectral moments for the response of linear systems under the space-interrelated ground motion model and an analytical method.
对得到较高水平的相关性参数的方法——统计矩分析及线性系统分析进行了论述,着重论述了卷积法在相关性研究中的应用。
In this paper, the methods of obtaining parameters for high levels of correlation are presented with emphasis on linear system analysis.
阐述了一种利用消失矩条件和线性时不变系统的状态方程来构造小波的方法。
Motivated by the filter reconstruction and vanish-moment conditions, a general construction approach based on the state equation was proposed for linear time-invariant systems.
本文讨论母体原点矩的线性有偏估计问题。
The problem for linear biased estimation of the population origin moment is discussed in this paper.
最后,用两个数字实例对矩估计法和非线性最小平方估计法加以具体的说明。
Finally, two numerical examples are given to illustrate the methods of moments estimation and the nonlinear least squares estimation.
本文从非线性参数的分析出发,考虑电机的磁饱和因素,而提出一种混合式步进电动机运行矩频特性的实用计算方法。
The paper presents a practical calculating method for running torque-frequency characteristics of a hybrid stepping motor, considering magnetic saturation and analyzing the nonlinear parameters.
一次二阶矩方法是结构可靠度分析的基本方法.一次二阶矩方法的计算精度依赖于验算点附近功能函数的非线性程度。
The first-order second-moment method is fundamental in structural reliability analysis, its accuracy depends upon the nonlinear extent of performance functions around checking point.
建立了偶极矩、核四极矩偶合常数中的场梯度及晶体非线性光学系数的近似理论表达式。
Approximate theoretical expressions are given for dipole moment, field gradient at the nucleus, and nonlinear susceptibility of crystals.
基于矩量分析,作者提供了一种求单输入线性控制系统极点配置问题的新算法。
A new efficient algorithm for the pole assignment problem of single-input systems is presented in this paper.
重点是具有较大非线性的系统的方法,如FPK法,矩闭合法和函数级数法。
Emphasis is laid on the analysis, of large nonlinearities in system, for example, the FPK method, the closure method and the functional series expansion method.
由于结构的非线性特征,矩方程中包含位移的高阶矩,递推方程序不闭合。
As there are high order moments, the recursive equations are not closed.
用一般矩方法进行混合高斯随机敬的参数估计需要计算多个非线性方程,改进后的矩方法把非线性方程化成了线性方程。
It needs more nonlinear equations to use the general moment method for parameter estimation of Gaussian mixtures. The improved moment method changes the nonlinear equations into linear equations.
采用矩持阈值分割方法提取目标,采用质心跟踪算法及基于线性微分拟合的记忆外推跟踪技术跟踪目标。
The moment-preserving thresholding method is used to pick-up targets, the mass centroid tracking algorithm and linear-fitting predicting approach are used to tracking targets.
正如线性动量是质量和速度乘积一样,物体角动量也定义为其惯性矩和角速度的乘积。
Just as linear momentum is the product of mass and velocity, so the angular momentum of a body is defined as the product of its moment of inertia and its angular velocity.
通过建立三轴稳定质量矩拦截器的数学模型,得到一个非线性动力系统。
According to the constructed model of the mass moment interceptor with three-axial stabilization, a nonlinear dynamic system was acquired.
通过建立三轴稳定质量矩拦截器的数学模型,得到一个非线性动力系统。
According to the constructed model of the mass moment interceptor with three-axial stabilization, a nonlinear dynamic system was acquired.
应用推荐