查询词典 the metric system
- 与 the metric system 相关的网络例句 [注:此内容来源于网络,仅供参考]
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By using the selected capacitor on the dc side, not only the operating conditions of STATCOM are satisfied under symmetric power system, but also the viability is enhanced under asymmetric power system.
按该原则设计的STATCOM,不但满足系统正常条件下的运行,而且还能大大提高STATCOM在系统不对称条件下的生存能力。
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The overall control scheme and the weight update laws based on Lyapunov stability theory can guarantee the system stability and asymptotic convergence of the tracking error to zero, and attenuate the effect of the disturbance on system to a prescribed level.
总体控制方案及基于李亚普诺夫稳定性理论的权值更新律保证了系统的稳定性及跟踪误差渐近收敛于零,并使干扰对系统的影响衰减到指定的性能指标。
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The nonlinear plant is first linearised, the fuzzy basis function vector is then introduced to adaptively learn the upper bound of the system uncertainty vector,and its output is used as the parameters of the compansator in the sense that both the robustness and the asymptotic error convergence can be obtained for the closed loop nonlinear control system.
在该方法中,首先将非线性系统线性化,然后利用模糊基函数向量自适应学习系统不确定向量的上界,模糊基函数向量可作为补偿控制器的一个参数。在控制系统的设计过程中可充分保证非线性控制系统的鲁棒性和跟踪误差的渐进收敛性。
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The main contributions in this area are summarized as follows,? The closed-form formula and its asymptotic form of system outageprobability are derived, through which it is shown that the outage probability decreased by a factor ofγ~(hereγdenotes the average SNR);? The closed-form formula of outage capacity is derived, through which weshow that 1 outage capacity increases with the increases of mean value of sytem SNR, and decreases with the increase of the variance of system average SNR; 2 in order to obtain higher outage capacity, the number of transmit antenna should be no more than that of receive antennas.?
特别的,针对多用户发送天线选择/最大比合并系统,主要贡献总结如下:·理论推导出中断概率的闭式解及其近似解,通过该近似解,可以得到中断概率以γ~的形式减少(这里γ是平均信噪比SNR)·推导出平均中断容量的闭式表达式,研究表明:1中断容量随着有效平均SNR的均值的增加而增加,随着有效平均SNR的方差的增大而减小;2为了获得更高的中断容量,发送天线的数目应当不大于接收天线的数目。
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We gain conditions for persistence for three-species of the system and global asymptotic stability for positive periodic solution of the system.
研究了一类具有扩散系数和 Holling 类功能反应的一捕两食三种群非自治捕食系统,得到了系统持久生存和周期系统存在唯一全局渐近稳定的周期解的条件。
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However under certain reasonable probabilistic assumptions regarding single member failure, system loading and member load sharing, it can be shown that the system failure time is asymptotically normally distributed as the number of members grows large.
可是,在一定的合理随机假设下,考察单个构件破坏、系统的载荷及构件的受载情况,可以表明:当构件数目增加很大时,系统的破坏时间是渐近正则分布的。
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By means of generalized Lyapunov function and linear matrix inequality,the asymptotical stability with zero solution is studied for the system,and a sufficient condition is given such that the system is asymptotically stable with zero solution and also a H∞ norm constraint .
针对非线性离散广义系统研究了状态反馈H∞控制器的设计问题,利用广义Lyapunov函数和线性矩阵不等式,首先对系统的零解渐近稳定问题进行了研究,并在此基础上给出了系统的零解渐近稳定且具有H∞范数约束的充分条件,之后设计了状态反馈H∞控制器,使闭环系统具有同样的性能,最后给出了数值算例说明本文结论的有效性和可行性
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This paper consists of three parts: Firstly, we discuss a nonautonomous -species two-patches cooperative Lotka-Volterra diffusion system. Using Brouwer fixed-point theory and Liapunov function, under some conditions, we obtain that the system has a unique globally asymptotically stable positive periodic solution. Secondly, we consider a kind of nonautonomous predator-prey model, in which preys are with stage structure and the predator are with two patches.
中文摘要:本文分三部分讨论三类生态模型周期解或概周期解的存在性及全局渐近稳定性等内容:第一部分讨论了两斑块种群的互惠Lotka-Volterra扩散系统,运用不动点理论和构造Liapunov函数,得到了系统存在唯一一个全局渐近稳定的正周期解的充分条件。
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Then the eigenvalues of the closed loop system is studied and the necessary and sufficient condition for the closed loop system to be asymptotically stable is derived.
其次,对相应的闭环系统特征方程进行详尽的讨论计算,得到了系统本征值的分布特性,从而利用Lassel 不变原理得到了闭环系统渐近稳定的充分必要条件。
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Furthermore, the existing condition of stable controlling for another form of the system is studied and the sufficient condition of making a closed loop system asymptotically stable in local bound is also discussed.
然后,研究了另一形式的滞后离散广义双线性系统稳定控制存在的条件,并给出了使闭环系统局部渐近稳定的充分条件。
- 相关中文对照歌词
- L'unité
- My System
- Alienated
- Katie's Tea
- La Colline Des Roses
- Rain On Us
- La Dance Ghetto
- You Are In My System
- System Blower
- The Hives - Introduce The Metric System In Time
- 推荐网络例句
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Objective To investigate the relationship between ovum fertilization rate and sperm morphology, acrosome reaction in IVF and to explore the influence of parameters of sperm on fertilization rate.
目的 研究体外受精(in vitro fertilization,IVF)中精子形态、顶体反应与卵子受精率之间的关系,分析精子各参数在IVF受精率方面的参考意义。
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A: I hear Mr. White wants to run for the Presidency!
我听说怀特先生要参加总统竞选!
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It was a blowy day soon after Hilda had gone, that Mrs Bolton said: 'Now why do not you go for a walk through the wood, and look at the daffs behind the keeper's cottage?
希尔达走了不久以后的一个刮风天,波太太对她说:你为什么不到树林里去散散步,到守猎人的村舍后边去看看野水仙?