而这种时变性又增加了系统的不稳定性因素。
Because the time dependence characteristics of photovoltaic system enhance the instability of system.
弹性模量具时变性，与拉伸时间成倒数关系。
The mathematial model of elasticity modulus expressed a reciprocal relationship to time.
高频波段海洋回波信号表现了非线性和频谱时变性。
HF radar backscatter from the ocean surface shows nonlinearities and time variation of its spectrum.
能量变化的实质是，风场的时变性引起了波流相互作用。
The cause of the packet energy variation is wave-flow interaction produced by temporal variation of the wind.
由于用电设备的电气参数的时变性，为电能优化带来困难。
It is difficult to optimize the energy because of the electric parameter time-varying property.
通动态定量称重系统是一种非线性、大滞后、时变性的系统。
The dynamic quantitative weighing system is a kind of nonlinear, large delay, time-varying system.
这些因素具有复杂的不确定性和时变性，给预测带来很大难度。
These factors have uncertainty and variability by time, and bring large difficulty to forecast.
张力控制过程是一个具有随机性、时变性和耦合性的复杂过程。
Tension control is a very complex process which is random, time-variant and coupling.
传统的静态确定型停车行为模型忽略了网络的时变性和随机性。
In traditionally static and deterministic parking models, the time dependence and stochasticity of road networks is ignored.
一旦出现非线性和时变性，经典技术最根本的基础就不复存在了。
When nonlinearities and time variations are present, the very basic for these classical techniques is removed.
由于齿轮刚度的时变性，传动齿轮的振动具有非线性振动的性质。
Qwing to the time-varying stiffness of spur gears, the vibration of transmission gears has the characteristics of nonlinear vibration.
对非线性、时变性的不确定系统，模糊控制是一种较有效的方法。
Fuzzy control is a very effective method for the nonlinear and unstable system that can not be certain.
对于非线性和时变性的不确定系统，模糊控制是一种较有效的方法。
Fuzzy control has been proven to be effective in complex, time-varying and uncertain control systems.
该方法对油田开发过程的时变性和各种随机干扰因素具有自适应性。
The method is adaptive to various random factors in the process of oilfield exploitation.
前者是通过对载波信道的频率特性时变性测试、分析，实现信号平稳传输。
The former realizes steady transmission of signal by testing and analysing the carrier channel's frequency characteristic .
然后考虑到收益率波动的时变性，用GARCH（1，1）模型来估计波动率。
Secondly, we estimated volutation used GARCH(1,1) considering the return rate fluctuation.
为克服低压电力线信道的频率选择性和时变性，系统采用正交多载波方式传输信息。
Orthogonal Multi-Carrier Modulation(OMCM) is adopted to overcome the frequency selectivity and time variation of low-voltage power line channel.
浆纱机经纱退绕张力控制系统缺乏精确的数学模型，且具有非线性和时变性的特点。
Warp unwinding tension control system for sizing machine lacks an precise mathematical model, and has nonlinear and time-varying Characteristics.
携带着大量信息的语音信号本身是非常复杂的，并且具有非平稳性、时变性等特征。
Speech signal, carrying a large amount of information, is so complex with the character of non-stationary and time-varying.
基于以上试验研究成果，尤其是粘度时变性规律，建立了稳定性浆液注浆扩散模型。
Based on these achievements, especially on time-varying behavior of viscosity of grouts, the author develops a grout diffusion model.
周期时变线性系统系数矩阵的时变性与不可交换性是其精细积分算法设计中的瓶颈。
The time-varying and incommutable character of the coefficient matrix of periodically time-varying linear systems are the bottleneck of the design for high precision direct integration methods.
污水处理过程固有的非线性、时变性特征对传感器的可靠性、适应性提出了很高的要求。
The reliability and adaptability are highly requested for transducers used for sewage treatment process because of its non-linear and time varying characteristics.
在各种扰动作用下，过热蒸汽温度动态特性具有大迟延、大惯性、时变性和非线性的特点。
With the effects of those, the dynamic characteristics of the SST have the features of large delay, great inertia, time-varying and non-linearity.
现有的综合预测模型，大多未考虑系统的时变性和各种异常在震前所显示的不同持续时间。
For present synthetic models, time dependent characteristics of the system and different anomalous periods of various precursors shown before strong earthquakes have been not considered.
水轮机调节系统具有非线性和时变性的特性，传统的PID控制器无法获得高性能的调速系统。
With the nonlinear and time variable characteristics of hydraulic turbine regulation system, high qualified speed adjustment system cannot be achieved with the conventional PID controller.
针对振动给料机数学模型的缓慢时变性，采用模型参考自适应控制对输出振幅的误差进行补偿。
Against to the vibration feeders property of slow alteration, use the model reference adaptive control to compensate the aberration of the output vibration amplitude.
浆液流型、流变参数的时变性、可灌性、塑性强度和可重复注浆性是影响浆液扩散的基本性能。
Flow pattern, time-varying behavior of rheological parameters, groutability, plastic strength and re-groutability of grouts are properties influencing the diffusion of grouts.
针对焦炉温度的大惯性、纯滞后、非线性和时变性等特点，提出了一种新的模糊复合控制方法。
Aiming at the coke oven temperature characteristics of great inertia, pure time-delay, non-linear and time changeable, a fuzzy compound control method is proposed.
一种亚稳态铁酸盐和碳化铁集合体，由奥氏体在低于珠光体温度但高于马氏体初温时变性而形成。
A metastable aggregate of ferrite and cementite resulting from the transformation of austenite at temperatures below the pearlite but above the marten site start temperature.
一种亚稳态铁酸盐和碳化铁集合体，由奥氏体在低于珠光体温度但高于马氏体初温时变性而形成。
A metastable aggregate of ferrite and cementite resulting from the transformation of austenite at temperatures below the pearlite but above the marten site start temperature.
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