建立关于具有连续变量非线性偏差分方程存在最终正解的充要条件。
The present paper deals with the sufficient and necessary condition of the final positive solutions of non-linear partial-difference equations and first presents the comparison theorem.
建立关于具有连续变量非线性偏差分方程存在最终正解的充要条件 。
Non-existence of eventually positive solution of difference inequality with several delay quantities;
给出系统振动的比较定理，利用比较定理讨论了一类非线性偏差分方程的振动性，给出简单的判别条件及证明。
By means of the comparison theorem, and the oscillation of some non-linear partial difference equations is discussed and some concise conditions and authenticity are given.
讨论了天文重力水准的误差及垂线偏差非线性影响等问题。
Futhermore problems of the error of astro gravimetric leveling and the nonlinear influence are discussed.
介绍了用于非平稳、非线性信号的四分位偏差分形维算法，并通过仿真实例验证了此计算方法的准确性。
The fractal dimension algorithm using quartile deviation on non-stationary and nonlinear signals is introduced. And the accuracy of this algorithm is verified by simulation.
本文考虑到二阶非线性项，建立起更加精密的系统模型，推导出利用状态变分计算终端干扰偏差的公式。
In this paper we consider second order nonlinear terms, set up more precise dynamic system's model and derive the computation formula of terminal perturbation deviation by state variation.
考虑了任意理想曲面壳体制造偏差的影响，导出了非线性几何方程与平衡方程。
Considered the influence of manufacturing error and derived the non-linear geometric equation and equilibrium equation for arbitrary ideal carved surface shells.
从而，用小偏差的线性数学模型，进行适当修改后，可以用来求取非线性系统在大扰动下的过渡过程。
Consequently, with some modifications, a linear model can be used to calculate the transients of the nonlinear systems under large perturbations.
研究一类具有连续分布偏差变元的高阶非线性中立型时滞偏微分方程，获得了方程解振动的一些新的判定准则。
The oscillations for a class of nonlinear neutral delay partial differential equations with continuous distributed deviating arguments is discussed.
在上述基础上，本文设计了一个具有机端电压反馈和转速偏差反馈的双环非线性PID控制器。
Based on forenamed knowledge, the paper designs a double-loop NPID excitation controller, which has parallel feedback of voltage and error of rotate-speed.
根据PID控制器各控制参数与偏差之间的非线性映射关系，设计非线性PID控制器。
According to the non-linear mapping relations between PID controller each control variable and error, design non-linear PID controller.
第二章主要是研究某些类型的线性或非线性的带有离散时滞的偏差分方程解的振动性的判别法。
In the second part, we mainly consider oscillations of solution of some linear and nonlinear partial difference equations with discrete variables and delays.
研究一类具有连续分布偏差变元的高阶非线性中立型时滞偏微分方程，获得了方程解振动的一些新的判定准则。
We obtain sufficient conditions for the oscillation of all solutions of the nonlinear high order neutral functional differential equation with continuous deviating arguments.
计算结果表明：各种非线性渗流效应和动态流体重力作用对计算结果有一定的影响，忽略这些因素将对计算结果产生较大的偏差；
The calculation results show: each nonlinear flow and dynamic fluid gravity have certain effect on calculation results, and ignoring these factors will cause much deviation;
该文获得了一类具有连续偏差变元的二阶非线性偏泛函微分方程的振动性的充分性条件。
In this paper, we study a class of boundary value problems of even order nonlinear neutral partial functional differential equations with continuous distribution delay.
当考虑到发电机报价曲线的影响时，发电计划偏差优化问题是一个高维、离散、约束条件复杂的非线性最优化问题。
Considering the generators bidding prices curves, the generation scheduling error optimization problem is high dimensional, disperse, complex constrained, non-liner problem.
因此，为了使大偏差理论在非线性领域得到更广泛的应用，本文研究了大偏差理论在非线性情形下的一些结果。
Thus, with the purpose of more extensive applications of large deviation theory in nonlinear field, this paper presents some results of large deviation in the nonlinear cases.
第一种，引入非线性函数根据偏差大小在线调节PID参数来提高控制性能的变参数PID；
Firstly, it is the variable parameter PID which is able to adjust PID parameters online to improve the control performance through non-linear function according to the bias;
针对一类具有模型不确定性且状态部分可测的非线性系统，提出了一种基于鲁棒自适应技术的传感器偏差故障检测与分离方法。
This paper is concerned with the problem of robust fault detection for a class of discrete-time systems with norm-bounded uncertainties and time delays in state.
针对一类具有模型不确定性且状态部分可测的非线性系统，提出了一种基于鲁棒自适应技术的传感器偏差故障检测与分离方法。
This paper is concerned with the problem of robust fault detection for a class of discrete-time systems with norm-bounded uncertainties and time delays in state.
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