查询词典 approximate method

By using measured values, this unique function can approximate the circuit constant values of five circuit models.

举例来说，谐振器的等效电路元件或线圈的自感，导致抵抗力，以及杂散电容，可以很容易获得。

It is import of choosing a basis function in the theory and application of the locally approximate neural networks.

在局部逼近神经网络的理论研究和实际应用中，基函数的选取是非常重要的。

This paper deduces the accurate formulas for calculating the geometric characteristics of effective cross sections of members with welded H-shaped cross sections in gabled frames,and in order to simplify the calculation,presents the corresponding approximate calculation formulas.

推导了门式刚架中焊接H形截面构件有效截面几何特性的精确计算公式，为简化计算过程，给出了相应的近似计算公式。

It can draw the conclusion thatδ~(34)S_ in solution has an approximate content(0±3‰)with S isotope of pyrrhoSne by measuring S and Pb isotope of sulfide in ore bodies,a lower value shows S in hydrothermal fluid is origin from magma;Linear array of Pb isotope in galenite suggests that Pb may be multisources.

对矿体硫化物进行硫和铅同位素测定，获得溶液的δ~(34)S_与磁黄铁矿硫同位素组成相近约等于0±3‰，δ~(34)S_值小，表明热液硫是岩浆来源，方铅矿铅同位素线性排列，暗示出铅可能是多来源的。

Based on the technical document and the measured power spectral distribution, Gauss distribution model is employed to approximate the real source.

论文结合生产厂商的技术资料和实际测量的SLD光源的功率谱密度，采用高斯分布近似其功率谱密度，建立了光源振幅的色散模型。

In this thesis, we propose a simple admission control algorithm which adopts Gaussian distribution to approximate VBR traffic.

在这一篇论文中，我们提出了一个简单的允入控制演算法，其基本设计的思维在於利用高斯分布来近似变动位元速率的讯务。

In order to study the propagation of partially coherent modified Bessel-Gaussian beams passing through a paraxial ABCD optical system with hard-edge aperture,the approximate analytical propagation equation was derived with the hard-edged aperture function expanded into a finite sum of complex Gaussian functions.

为了对部分相干修正贝塞尔－高斯光束通过有硬边光阑近轴4BCD光学系统的传输进行研究，采用将硬边光阑窗口函数展开为有限个复高斯函数之和的方法，得到了近似的解析传输公式。

For general transport equation, we obtain the approximate solution of the scattering cross section from exitig photon flux.

本文研究：1。对于一般的迁移方程，根据泄漏的光子流得到散射截面的近似值。2。

During the modeling of approximate sequence, a generalized autoregressive conditional heteroscedasticity model, to which the exogenous variables are added, is built to form GARCHX model to avoid the defect of traditional time sequence model that the external impacting factors are neglected.

建立考虑异方差的广义自回归条件异方差模型(generalized autoregressive conditional heteroscedasticity，GARCH)对概貌序列建模，并在GARCH模型中加入外生变量形成GARCHX模型，以弥补传统时间序列模型忽略外界影响的缺陷。

In the paper, many further discussions about the optimal control problem,the approximate optimal solution to generalized time optimal control problem and stability of the degenerate systems with delay are considered and some important and meaningful results are obtained in it.

而本篇论文则是对具有时滞的退化系统的最优控制问题，广义时间最优控制问题的近似最优解和稳定性问题进行了讨论并且得出了一系列的重要成果。

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。