该文研究了非线性随机效应模型,为非线性张度大的模型提供了理论和方法。
We discussed the nonlinear models with random effects, presented the theory and methods for the models with large nonlinearity.
在重构的相空间中研究了舰船辐射噪声的非线性特性,利用相似序列重复度这一参数,绘制了舰船辐射噪声rpt曲线并分析了其非线性特性。
In the phase space, by using the similar sequence repeatability (RPT) and plotting the RPT curves it proved the nonlinear characteristics of the underwater noise.
对于非线性动力学问题,给出了一个显式的精细积分算法,适用于多自由度、强非线性、非保守系统。
An explicit precise integration for nonlinear dynamics problems is presented, which is suitable to solve the non-conservative systems with multi-DOF and strong nonlinearity.
根据非线性规划问题的网格并行运算的要求,在分析非线性最小二乘问题的迭代法的基础上,提出了非线性最小二乘问题的并行迭代法来提高其并行度。
According to the request of grid concurrent operation of nonlinear programming, the parallel repetitive process is proposed to enhance its parallel based on analyzing the repetitive process of NLS.
算例表明,单自由度非线性振子的分叉条件能够预示非线性颤振系统的运动规律。
The example shows that the bifurcation condition of single degree of freedom nonlinear oscillator can indicates the motional behavior of nonlinear flutter system.
利用高对比度液晶光阀(LCLV)对联合功率谱进行非线性处理,实现了实时非线性联合变换相关。
Utilizing a high contrast liquid crystal light valve (LCLV) to perform joint power spectrum nonlinear processing, real time nonlinear joint transform correlation is implemented.
内摩擦角和与水分状态相关的饱和度的关系是强非线性的,和与密度状态相关的饱和度的关系是弱非线性的。
Internal friction Angle has a strong nonlinear relation with moisture state related saturation and a weak nonlinear relation with density state related saturation respectively.
本文在严格、完整的基础上,利用矩阵范数理论研究了结构非线性动力分析中数值积分格式的稳定性问题,给出了判别单自由度非线性动力方程积分格式稳定性的一般数学准则。
The problem of stability in the numerical integration schemes of nonlinear dynamic analysis of structures is discussed by using matrix and norm theory on a rigorous and complete basis in this paper.
文章基于非线性跟踪微分器、非线性度变换以及PID校正的思想,构造了一种新的非线性PID控制结构。
This paper proposes a new nonlinear PID model of valve controller based on nonlinear tracking-differentiator, nonlinear norm and PID adjustor.
在单自由度非线性系统的工作的基础上,讨论了多自由度非线性系统对非平稳随机风激励的响应。
On the basis of works (1) of single-degree-of freedom nonlinear systems, we discuss the response of nonlinear systems with multi-degree-of freedom to nonstationary random wind-excitation.
该文研究了非线性随机效应模型,为非线性张度大的模型提供了理论和方法。
The least square estimate of covariance matrices in the growth curve model with random effects;
该文研究了非线性随机效应模型,为非线性张度大的模型提供了理论和方法。
The least square estimate of covariance matrices in the growth curve model with random effects;
应用推荐