如果我们必须计算线积分，就必须通过寻找一个参数，并建立起一切。
If we have to compute a line integral, we have to do it by finding a parameter and setting up everything.
我们用一个参数来表示所有的项，最后得到一个通常的积分。
We express everything in terms of a single parameter, and that will give us a usual single integral.
如果无法对曲线参数化，那么就很难计算线积分了。
If you cannot parameterize the curve then it is really, really hard to evaluate the line integral.
通过计算机计算各种积分性能准则的调节器参数，可知“工程最佳”并不是最佳的设计方法。
Computer can calculate adjuster parameters of various integration feature principles. It is known that "engineering optimum" is not the best designing method.
该控制器能够根据系统的误差、误差变化及误差积分值自动调整控制器的控制参数，使模糊控制器具有自适应的能力。
The parameter of the controller can be auto-adjusted by the error, error change and the integral value. It makes the fuzzy controller have the ability of self-adaptive.
在积分网格中，取高斯点的材料参数来模拟材料特性的变化。
In quadrature elements, variations of material properties are simulated by adopting material parameter of Gauss point.
在结构损伤识别的时域法研究中，数值积分的误差将直接影响反演参数结果的精度。
In study on structure damage identification in time domain, error of numerical integral will affect directly accuracy of parameters resulted from reversion.
设计了一种带有积分参数的模糊控制器，并将其应用于电阻炉的温度控制系统。
A fuzzy controller with integral parameter is designed, and applies it to the temperature control system of resistance furnace.
在一定的条件下给出了两个含参数的积分不等式，其误差估计是最佳的。
Two integral inequalities with a parameter whose estimation of errors is best were given under certain conditions.
针对一类参数不确定的非线性系统，提出了一种积分滑模自适应控制策略。
This paper presents an integral sliding mode adaptive control scheme for a class of nonlinear system with uncertain parameters.
考虑了一类关于两个参数的微分积分方程非线性边值问题的奇摄动。
A class of singular perturbation of nonlinear boundary value problem for integral differential equation involving two parameters is considered.
针对一类参数不确定的非线性系统，提出了一种微分与积分滑模自适应控制策略。
A derivative and integral sliding mode adaptive control scheme is proposed for a class of nonlinear system with uncertain parameters.
为验证系统的控制效果，本文对积分分离pid参数自整定算法和模糊控制算法进行了仿真和试验。
Integral separation PID control algorithm with self-adjusting parameter and fuzzy control algorithm have been simulated and experimented in the article to test their control effect.
采用累积和控制图进行变点检测，基于积分方程法讨论了控制图参数优化方法。
Cumulative sum control charts are used to monitor the boiling and the parameter optimisation is discussed based on the method of integral equation.
通过数值求解边界积分方程组，对流量、水面线和边壁压力等水力参数进行了数值模拟。
The flow parameters such as discharge, free surface profile and boundary pressure distribution are simulated by numerical calculating the boundary integral equations.
背向散射积分参数结合皮质厚度测量可对急性肾衰竭的诊断和鉴别诊断提供更多有用的信息。
Integrated backscatter coefficients combined with renal cortex thickness may offer more useful information in diagnosis and differential diagnosis of ARF.
比较在相同优化PD参数和按不同加权因子整定优化积分时间的控制品质指标并进行脉冲扰动分析。
The control quality indexes under the same optimal PD parameters and the different integral time set by the different weighted factor are compared and the impulse disturbance analyse is given.
PID控制器性能好坏的关键在于比例、积分和微分参数的选择。
The performance of PID controller lies in the choice of proportional, integral and different coefficient.
针对满足一定条件的一类不确定部分上界不确知的系统，提出了一种参数自适应积分滑模控制策略。
This paper presents an integral sliding mode control with adaptive parameters for a class of systems satisfying some conditions when the upper bounds of uncertainties are unknown.
表面激发对电子—固体相互作用的贡献是用总表面激发几率的数值积分而得到的，此即为表面激发参数(sep)。
The contribution of surface excitation in electron-solid interactions is estimated via the numerical evaluation of total surface excitation probability, known as surface excitation parameter (SEP).
借助于型参数，通过变换动量积分方程，得出动量损失厚度近似解的表达式。
By type factors and transitional momentum integral equation, the approximate expression of momentum thickness is presented as well.
由于单周控制单元中的积分器需采用模拟电路实现，模拟电路积分时间常数易受电路参数的变化而变化。
But one cycle controller is usually realized by analog circuit and the parameter is easy to vary with the environment, so the integration time constant will vary at the same time.
有可能利用积分rms这一参数来估价岩石压入硬度，并进一步预报岩石可钻性。
It is possible to use the parameter integrated RMS to assess rock indentation hardness and further to predict rock drillability.
其中定理1和2的条件采用带参数的函数，便于运用由方程首次积分构造函数的方法来获得。
The conditions of Theorems 1 and 2 formulated here adopt the Liapunov functions with parameter so that they may be more easily obtained by using Chetaev 's method.
结论：心肌背向散射积分参数可有效评价阿霉素诱导兔心肌病模型的建立。
Conclusion: Integrated backscatter parameters was of value in the assessment of adriamycin-induced cardiomyopathy.
应用模糊自适应对直流双闭环调速系统中的转速调节器的比例、积分参数进行整定。
By using the fuzzy self-adaptation, this paper adjusts the rate and integral parameters of the speed-adjusting system of DC double closed-loop.
系统PID参数调整按先比例、后积分、再微分的顺序采用凑试法由小到大整定。
The PID parameter was adjusted in the order of proportion, integral and differential, and was decided by trying from small to large.
给出确定利用最大熵原理建立的功能函数概率分布密度的待定参数时由高斯积分表达的离散化公式。
Discrete formulas expressed by Gauss-quadrature are presented when determine the parameter of probability density function which is established based on maximum entropy theory.
给出确定利用最大熵原理建立的功能函数概率分布密度的待定参数时由高斯积分表达的离散化公式。
Discrete formulas expressed by Gauss-quadrature are presented when determine the parameter of probability density function which is established based on maximum entropy theory.
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