查询词典 approximate method

In this paper, a model predictive control scheme is proposed, which uses a set of neural networks to approximate the inverse mapping of the nonlinear block.

针对Hammerstein模型提出了一种基于神经网络的模型预测控制策略，采用一组神经网络拟合非线性部分的逆映射。

We establish the relation of inversion formulas among generalized Radon transform with known weight functions, the exponential Radon transform and classical Radon transform, furthermore obtain approximate inversion formula of the exponential Radon transform, the idea of approach above is applied to contour reconstruction and is generalized to n-dimentional euclidean space case. We discuss the support theorem, range condition of the exponential Radon transform.

本文建立了带权广义Radon变换、指数型Radon变换与古典Radon变换反演公式的关系，从而得到指数型Radon变换的近似反演公式，并且应用这种思想方法于轮廓重构，并将这一结果推广到任意维欧氏空间的情形；讨论了指数型Radon变换的支集定理及值域条件。

The irrational impedance function is applied to the synthesis design of the regulating network[1][2], its regulating accuracy depending on the approximate times of the impedance function.

无理阻抗函数用于调节网络综合设计，其调节精度将取决于阻抗函数的近似次数。

Algorithm for determining the lower limit of the iterated times in IFSP;2. Stratigraphical division and lower limit of the Quaternary in Hunan;3. At present, the approximate solution of Voigt and Reuss's upper limit or lower limit and the calculating formula of Hashin and Shtrikman's upper limit or lower limit are accurate.

计算复合材料有效弹性模量上、下限的方法中，Voigt和Reuss的上、下限近似解及Hashin和Shtrikman的上、下限计算公式较为精确，但Voigt-Reuss近似解通常忽略了各向异性非均匀体的研究，是一个不全面的结果。

Under the given level, this distribution function can pass the Kolmogorov criterion, thus it can approximate sample's real distribution function.

用这种方法构造的分布函数在给定的水平下可通过柯尔莫哥洛夫检验，从而可很好的逼近母体之真实分布函数。

First, the anthor gives a new algorithm of monad distribution function. Under given level, this distribution function can pass Kolmogorov criterion, thus it can approximate samples real distribution function.

首先给出了构造一维随机变量的分布函数的方法：用这种方法构造的分布函数在给定的水平下可通过柯尔莫哥洛夫检验，从而可很好的逼近母体之真实分布函数。

It is known that three-layer BP network can approximate any nonlinear function defined in L〓.

但神经网络的学习算法存在着局部极小点和收敛速度慢等缺点。

This is an important consideration for high altitude flights, as the air temperature drops with altitude, at an approximate lapse rate of 2 degrees Celsius per 1000 feet.

这是一个重要的考虑因素，为高海拔地区的航班，由于气温下降，与海拔高度，在一种近似失效率为2摄氏度，每1000英尺。

There is an interesting relationship between approximate space and concept lattice in the rough set theory.

在粗糙集合理论中，近似空间与概念格之间存在着有趣的对应关系，利用概念格研究知识的约简和发现，更直观和有效。

The lattice implication algebra is a theoretical basis for the theory of lattice valued logic and approximate reasoning.

格蕴涵代数为格值逻辑与不确定性推理的研究提供了一种理论基础。

The dissecting of samples in group2 were difficult. The root of pulmonary artery and ascending aorta failed to be unfolded because fibrous tissue was tough, right and left fibrous trigone were too firm to be solved by hand. Cardiac muscle fibers couldn't be stripped along myofibrillar trajectory since they were prone to break because of their friability.

组2的心脏解剖困难，表现为纤维组织坚韧，游离肺动脉非常困难；徒手无法松解左、右纤维三角，肺动脉和主动脉根部的游离非常困难；心肌纤维坚硬、质脆，解剖时容易断离成碎块，无法沿纤维走行方向剥离。

We have battled against the odds in a province that has become increasingly violent.

我们对在一个争夺日益激烈省的可能性。