Based on LMI and delay time-derivative dependent control methods, a robust controller is designed to achieve exponential tracking stability.
本文基于线性矩阵不等式（LMI）和时延相关控制方法，设计一个控制器以实现指数稳定的跟踪控制。
我会计算时间导数。
And so I can substitute that in there, and so I get that the power is the derivative of this versus time.
所以我可以代入这里，得到那个功率，是相对时间的衍生物。
So, the velocity vector is the derivative of a position vector with respect to time.
速度向量，是位置向量关于时间的导数。
And so we're going to take the derivative versus time of this equation.
我们要求这个，方程的时间导数。
It fears that this time the dice may be weighted against its more costly but "better value" A330-based tanker in favour of Boeing's smaller 767 derivative.
空客害怕这一次可能有黑箱操作，导致不会选择虽然更贵但“更物有所值”的基于A330的空中加油机，而会选择较小的基于波音767的衍生机型。
We've done this before-- this is the conservation of energy, and in order to find the period of the simple harmonic oscillation, we take the time derivative.
以前算过-,这是能量守恒，为了算出,简谐振荡的周期，我们求时间导数。
That's the first derivative of the position versus time.
它就是位置，对时间的一阶导数。
And, the way we can get it, so, it's called usually V, so, V here stands for velocity more than for vector. And, you just get it by taking the derivative of a position vector with respect to time.
根据它的原理，我们通常用v表示,这里的V更代表速率而不是矢量，你能通过,对一个关于时间的位置向量求导得到它。
I'm going to take the time derivative just as I did in the case of the spring.
我将要提取时间，就像我在，弹力那个例子里那样。
Yes, I divide... m Oh, there's an m here, m And now what I'm going to do, I'm going to take the time derivative of this equation.
对，我除以。，哦，这里有个，应该在这里。，and, the,m, has, to, be, here。，现在我要做的，我将把这个等式，转化成与时间有关。
This paper briefly discusses the effects on the aerodynamic derivative identification results caused by time delay in measured parameters.
主要讨论了测量参数间的时间延迟对飞机气动导数辨识结果的影响。
In this equation, the diffusion is a fractional order derivative of time and space.
在此方程中，弥散项和对时间的导数为分数阶导数所代替。
The second time derivative is the constant acceleration.
它的二阶导数就是这个恒加速度。
For the first time, derivative distribution of velocity in cell is presented and some new conclusions are obtained.
首次给出了电池内的速度导数分布，得出了一些新的结论。
Meanwhile stock market should be located accurately, industry self-discipline and information disclosure mechanism should be strengthened, and derivative tools should be impelled in appropriate time.
同时要正确定位股市的功能，加强行业自律监管，强化信息披露机制，适时适当创设股市衍生工具。
Some first order time derivative terms are contained in the equations.
方程中含有强迫场的一阶时间导数项。
The stability of time-delay and time-varying large scale systems with impulsive effect is investigated by means of the comparison principle and vector Lyapunov function with discontinuous derivative.
运用比较原理和导数不连续的李雅普诺夫函数，结合分解集结等方法，研究具有滞后的测度型线性时变脉冲扰动大系统的全局指数稳定性。
There is a power law relation between the modificatory factor and the time derivative of the period.
从统计上得到修正因子与周期变率的幂律关系。
A reduced order time delay observer with low pass filter is presented. The vibration of control signal, which is caused by the approximation of the delayed derivative of the state, is eliminated.
提出一种低通滤波降阶时滞观测器，避免了常规时滞观测器控制中由于时滞状态微分近似引起的控制信号颤振。
The results of classical cases indicate that the sensitivity derivative gained by approximate method has good accuracy and the inverse design can be completed efficiently with reduced total CPU time.
典型的算例结果表明简化方法计算得到的敏感性导数具较高的精度，能够有效完成反问题设计且减少总的计算耗时。
A new algorithm for calculating impedance based on derivative method is proposed in order to improve the accuracy and real-time.
为了提高阻抗计算的精度和实时性，提出了一种基于导数法计算阻抗的新算法。
CONCLUSION: compound 1 was a new diphenylmethane derivative, and compounds 2-6 were isolated from the genus Uvaria for the first time.
结论：化合物1是一个新的二苯甲烷类衍生物，化合物2 - 6皆为紫玉盘属植物中首次分到。
Moreover, due to the dynamic equations of LPMs with second-order derivative terms in time, the resulting structure-foundation-soil system can be solved by an explicit time-integration method.
此外，由于模型的动力方程具有二阶时间导数项，因而应用本文模型的结构—基础—土系统可以采用显式时间积分求解。
At the same time, the definition of legal concept mentioned above also tell us that the concept takes on such four characters as normalization, opening, practicality and derivative.
同时，对法律概念的上述界定也告诉我们，它具有四个明显的特征，即规范性、开放性、实践性和衍生性。
At the same time, the definition of legal concept mentioned above also tell us that the concept takes on such four characters as normalization, opening, practicality and derivative.
同时，对法律概念的上述界定也告诉我们，它具有四个明显的特征，即规范性、开放性、实践性和衍生性。
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