查询词典 approximate differentiability

By using the interpolation mechanism of fuzzy system, an approach of building the series of fuzzy systems, which can uniformly approximate any continuous function on a compact domain to any accuracy, is given, and then the universal approximation theorem is generally proved.

利用模糊系统的插值模型来代替被控对象的真实模型，设计了一个自适应模糊控制策略；为保证系统的全局稳定性，增加了一个补偿控制律，它是根据模糊系统的逼近误差估计量来设计的，因此这里系统跟踪误差的收敛性不依赖于模型最小误差的平方可积性[70，71]。

Using the information consistency principle, the first step of the algorithm transforms the identification problem into a constrained convex programming ,the result of which is then used ,in the second step, to approximate systems in the uncertainty set to obtain the identified nominal model based on a polynomial approximation theorem.

第一步通过信息一致性原理把辨识问题转化为受限凸规划问题，第二步利用一个多项式逼近定理在第一步结果基础上，对不确定集中的系数进行逼近，得到辨识出的名义模型。

Thanks to robust nonlinear approximate function and computational cost, a feed-forward neural network as optimal approximator is employed.

考虑算法的非线性逼近能力和计算速度，采用了神经网络作为优化求解器。

For the design of the sliding mode control of time-delay large-scale systems, we propose the adaptive fuzzy sliding mode control schemes, and the fuzzy approximator is used to approximate the upper bound of the uncertainties which combine time-delay interconnections with perturbations in the system.

所以，我们针对具时间延迟的大型系统的滑动模式控制设计上提出了一个适应模糊滑动模式控制方法，其中，模糊近似器被用来近似系统当中时间延迟以及扰动相互结合后的上界。

An approximate arc length parameterization method which plays animportant role in blade modeling is also presented.

另外，本文还分析了建立叶身曲面模型的关键技术，并对其中涉及到的近似弧长参数离散的方法进行了研究。

The highway from Xichang to Panzhihua is an important economic arterial road run-through Sichuan from south to north. Approximate one hundred of the highway go on Xigeda strata. Xigeda strata is the stillwater sediment of astatic lake facies at early stage of Quaternary Period. Because of soft lithology, low intensity and very bad stability the strata is well-known in China.

西昌至攀枝花高速公路是贯通四川南北的一条重要经济干线，沿线有近百公里穿过昔格达地层，这套地层是一种第四纪早期内陆湖相静水沉积物，不仅岩性软、强度低，而且稳定性极差，是国内有名的易滑地层，攀西地区出现的许多地质灾害同昔格达地层岩土的易滑相关。

Our chart shows the approximate whereabouts of Uranus in the sky. It isn't far from the graceful Circlet asterism in the constellation Pisces.

我们的星图非常精确的定位了天王星在天空的位置，距离优雅的双鱼座环形星群并不遥远。

If there is no record of an approximate birth time, the astrologer has to

就试着配合大约的出生时间，来调整跟 ASC。的相关角度

Approximate methods have been developed, including the method of averaging, boundary layer method, methods of matched asymptotic expansion and multiple scales and so on.

近似求解方法已被发展，包括平均法，边界层法，匹配渐近展开和多尺度法等等。

By introducing proper stretchy variable and constructing boundary layer function, it concludes N-order approximate solution, and using theory of differential inequality, uniformly validity of asymptotic expansion is proved.

通过引进适当的伸长变量，构造边界层函数，得到了解的N阶近似值，并利用微分不等式理论证明了解的渐近展开式的一致有效性。

"The operators will suffer a temporary decrease in the number of consumers and short message services as people may not like having to provide their ID cards for a phone number," Xu Junqi, vice-dean with the Policy-Making Institute of the Telecommunications Research Centre under MII, said yesterday.

信息产业部下属的通信决策研究院副主任徐俊其昨天说：&实行手机实名制后，人们可能不太情愿用身份证注册手机号，所以通信运营商会暂时面临用户减少和短信用户减少的问题。&

I don't believe in make-believe!

我不相信这些虚构的故事。