time varying

Solving time-varying periodic coefficient Riccati differential equations via Fourier series and precise integration method

基于Fourier级数的时变周期系数Riccati微分方程精细积分

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The frictional coefficient plays important role to the frictional power loss of gears and the time-varying coefficient was analyzed.

在对齿轮啮合过程中摩擦因数分析的基础上，对外啮合齿轮摩擦功耗进行了分析计算。

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So the greenhouse is a multi-variable coupled, time-varying and linear complicated system.

因此,温室环境是多变量耦合 、 时变、非线性的复杂系统.

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Time varying parameter estimation is very important to the control of dynamic system.

时变参数的估计问题，对于动态系统的控制是十分重要的。

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The results show that according to the curve of time varying interface acceleration, the process of DME bubble gorwth can be divided into three domains: surface tension controlled growth, transition domain and heat transfer controlled growth.

研究结果表明，根据气泡生长的加速度曲线，二甲醚气泡的生长过程可划分为表面张力控制阶段、过渡阶段和传热控制阶段。

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But because the fuel oil viscosity control system is rather complex system, which is double closed loop, non-linear, time varying, big hysteretic system, so it is difficult for the traditional PID controller to reach optimum control result.

但是由于燃油粘度控制系统是一个非常复杂的双回路闭环系统，具有非线性，时变性，大迟延等特点，传统的PID较难达到理想的控制效果。

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The time-varying disturbance and strong coupling also made the system nonlinear.

而且干扰的时变性及强耦合也造成了系统的非线性.

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The conventional blind identification algorithms cannot and equalize time-varying channels well.

针对传统的信道盲辨识算法很难适应时变信道模型的问题.

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A time-varying model is developed for long-distance and variable-velocity AUV with high accuracy control and guidance.

为开发研制大航程、变速度的水下自航器,实现更精确的控制和导引,需建立水下自航器的时变运动模型.

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The dynamic phasor theory, which is based on time-varying Fourier coefficient series, is applied to modeling and simulation of power electronic devices.

把动态相量理论推广应用到了电力电子装置建模及仿真中。

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The algorithm ensures asymptotic stability of time-varying delay uncertainties network systems with input saturation.

该算法保证输入受限情况下时变时滞不确定网络系统的渐近稳定.

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Thirdly, a kind of algebraic equation and related analytic heuristic algorithms for linear and quadratic time varying demand patterns, are presented here, while four well-known heuristics such as PPT, Silver-Meal, LUC and Ritchie's are merely typical cases of the equation.

在需求呈现出线性变化和二次非线性变化的条件下，可以给出具有“和谐之美”的统一方程和解析算法，对应上述决策原则的著名算法PPT、Silver Meal、LUC和Ritchie均为其特例。

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The proposed algorithms result in mapping relations of their z-transfer functions between non-multirate and multirate mathematical expressions in terms of time-varying coefficient instead of traditional polyphase decomposition counterparts.

从用时变系数代替传统的多相位分解方法的角度来说，该算法得出了非多速率与多速率数学表达式之间的以z传递函数表示的相互映射关系。

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In this article the optimization problem of time varying system identification is discussed.

考虑时变系统辨识中辨识设计变量的最优化问题.

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Grey Time Varying Parameter Model and Its Application to Climatic Prediction

灰色时变参数模型及其对气候预报的应用

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Temperature drifts and time varying drifts are primary factors of error of electronic analytical balance.

温漂和时漂是电子分析天平产生误差的主要原因,其自动补偿具有重要意义.

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Time Varying Parameter Choice Model and Analysis of Time Varying Responses of Monetary Policy

时变参数选择模型与货币政策的时变反应分析

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Based on the Bayesian forecasting technology, a practical time-varying wireless channel model was proposed.

基于贝叶斯预测技术, 提出了一种实用的时变无线信道模型.

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Greenhouse is a multi-variable coupled time-varying and non-linear system.

温室环境是多变量耦合、时变、非线性的复杂系统.

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Its equation of attitude motion has the form of first circulating integration and is to be deduced a first-order equation while equations of vibration are linear, time-varying coefficient, two order differential equation.

其姿态运动方程是一次循环积分的形式，成为一次方程，而振动方程则是一组时变系数线性二次微分方程。

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Finally it can construct the impulse response of time-varying channel.

最后,应用估计的小波系数即可重构时变信道的冲激响应.

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Design on Test of Tire Cornering Properties Under Time Varying Load Conditions

轮胎侧偏特性在时变载荷条件下的试验设计

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Exponential stability of the Cohen-Grossberg neural networks with multiple time-varying delays are analyzed.

研究了多重时变时滞的CohenGrossberg神经网络的指数稳定性.

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Inspection and repair of deteriorating structures is scheduled based on assessments of the time-varying structural reliability.

退化结构的检修问题都涉及时变结构可靠度的计算.

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The method overcomes the impact of time varying parameters and unknown disturbances to the system.

该方法克服了时变参数及未知干扰对系统的影响.

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A generalization of the Fourier transform-the fractional Fourier transform-has a powerful tool for time-varying signal analysis.

广义上的傅立叶变换,即分数维变换已成为时变信号分析的强有力工具.

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The process of wastewater treatment is a complicated biochemistry reaction process with characteristics of high non-linearity, time varying, indetermination and lag, which adds the difficulty of process control.

由于污水处理过程是一个复杂的生化反应过程，具有高度非线性、时变性、不确定性和时滞性等特点，增加了污水处理自动控制的难度。

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The problem of robust passive filtering for a class of uncertain networked system with time varying delays and missing measurements is studied.

研究一类同时具有时变时延和测量数据丢失的不确定网络化系统的鲁棒无源滤波器设计问题。

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Moreover, the control laws using smooth time varying feedback do not at exponential convergence rate.

已有的光滑时变反馈方法是非指数收敛的.

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Decoupling control theory of time varying nonlinear systems and its application to the guidance of rolling missiles

非定常非线性系统解耦控制理论及其在滚转导弹制导中的应用研究

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