- 时变
- 随时间变化
- 随时间而变的变化
- time: n. 1.时，时间，时日，岁月。 2.时候，时刻；期间； ...
- variation: n. 1.变化，变动。 2.变量，变度，偏差。 3.【语 ...
- time variation: 变化性; 季节性变化; 随时间变化; 随时间的变化
- variation with time: 随时间变化
- short-time climatic variation: 短期气候变化
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time-variation中文什么意思
- 时变
- 随时间变化
- 随时间而变的变化
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例句与用法
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- The electromagnetic field theory and the variation method is applied to found the 2d mathematics model during the process of starting of the induction machine with compound cage rotor . the dispersion , element analyse and collectivity composing of time - variation field are given
利用电磁场理论和变分法建立了复合笼条转子感应电动机起动时二维电磁场的数学模型，给出了正弦时变场单元分析过程和离散格式以及最终的总体合成方程。 - Abstract : according to the characterestic of resistance furnace temperature control , temperature rising one - way control , large time delay and time - variation of parameter , using method of fuzzy compositional rule of inference establish fuzzy model and design fuzzy cntroler . in order to increase control system precision , it gives a fuzzy variable k , and sets parameter self - adjusting fuzzy control system . this system can on line self - adjusting controller parameters according to the error and variations of the error . it makes the system steady precision improved
文摘:根据电阻炉温控制的特点，即只有升温单向控制、滞后较大且具有参数时变性，利用模糊推理合成法建立模糊模型并进行模糊控制器设计，为提高模糊控制的精度，引入模糊变量k ，构成参数自调整模糊控制系统.该系统可根据误差和误差变化在线自动调整控制器参数，使系统的稳态精度得到改善 - Because every process are classical time - variation system whit multivariable , long delay time , nonlinear and destabilization and every process has themselves special requirements , considering of their common features the paper write out a three - level intelligence control system which give each process suitable methods
对中药生产过程各工段控制方法的研究是本文的重点,由于中药生产的各主要工段都是典型的多变量、大时延、非线性、带扰动的时变系统,并且中药生产过程各工段均有其特殊工艺要求。 - The dissertation proposes originally the idea of decomposing the time - variant load to solve this problem . first , the time - variant load is decomposed into the time - variant load characteristic and the time - variant load model due to the modeling method . second , the multi - curve approximation method is proposed to identify the load parameters , which to a great extent , reduces the effects on the time - variation of the load model from modeling method
针对负荷的时变性，论文首次提出了将负荷时变性分解的思想，首先将负荷的时变性分解为负荷特性的时变性和由建模方法引起的负荷模型的时变性，然后提出了多曲线拟合参数辨识方法，很大程度上消除了建模方法引起的负荷模型的时变性。 - Then , time - variant load characteristic is decomposed and the tva load model structure is proposed to reduce the effects on the time - variation of the amplitudes of the load . finally , the group algorithm and hypothesis testing strategies are applied to solve the problem of the time - variation of the load components
进一步对负荷特性的时变性进行分解，提出了tva负荷模型结构以消除负荷幅值大小时变性的影响，最后，采用分组算法和假设检验的工程应用策略，解决了负荷组成成分的时变性问题，从而最终从一定程度上解决了负荷的时变性问题。