微分的例句大全

In this paper characterstic function of optics was studied and property of symplectic structre was deduced from the characteristic function by using the opertion of exterior differentiation.

本文研究光学特征函数，利用外微分运算，由光学特征函数导出了光的辛结构性质。

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Solving Center of Plane Central Curve with Positive Integer Degree by Partial Differentiation

偏微分法求平面正整数次中心曲线的中心

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Delay differential dynamical systems have appeared in areas of applications as diverse as neural networks, optics, biology, and automatic control theory.

滞时微分动力系统在神经网络、光学、生态学、自动控制等许多领域具有广泛的应用。

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Use the results and methods of operator theory in the Krein space L2 ( I, w) ( indefinite inner product space) to investigate the spectrum of differential operators with indefinite weight function w;

二是利用完备的不定度规空间L w~2（Krein空间）内的算子理论和方法来研究和处理带有不定权函数的微分算子；

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Research on high speed train pantograph/ catenary contact under control with differential geometry theory

基于微分几何理论的高速列车弓网接触控制研究

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In the last chapter, oscillations of a system of hyperbolic equations are deduced from the corresponding properties of an ordinary differential inequalities by using eigen function and Green formula, etc.

第五章研究了一类脉冲时滞双曲方程组，利用符号函数，特征函数，Green公式等有力工具将其解振动与否转化到讨论一类脉冲微分不等式是否有最终正负解来研究。

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The increase of the area of the inner surface can be considered as Heaviside step function, its derivative is Dirac delta function.

内表面的增加可以用Heaviside阶梯函数来描述，它的微分为Dirac函数。

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A special method of Fourier transform for a kind of functions, say, step function, Ramp function and other functions that can be turned into impulse functions by differentiation is described in this paper.

讨论了阶跃函数、斜升函数和经多次微分后能得到一系列冲击函数的特殊函数傅里叶变换的求解方法。

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Flow function and stress expressions constitute the inverse problem of partial differential equations.

考虑流量函数和压力的表达式构成的偏微分方程反问题。

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A study of differential game optimal guidance laws for Air-to-Air Missiles

空-空导弹微分对策最佳导引律的研究

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Based of BAW formula, we elicit a new approximation formula.

本文就在BAW公式的基础上，修正了BAW公式，利用微分方程的解法，得出新的近似解析解的计算公式。

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Then Galerkin's method is used to discrete the dynamics equations into ordinary differential equations.

采用伽辽金法离散,将动力学模型转化为常微分方程组.

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CalTech have also published some excellent information on their own PDE research.

加州理工学院也纷纷发表自己的偏微分方程研究的一些优秀的信息。

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This paper given the formula of solution for nonhomogeneous linear differential equation with constant coefficients.

给出了常系数非齐次线性微分方程特解的一种新的公式化求解方法.

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The differential circle flow process is taken to produce trichloroisocyanuric acid.

微分环流技术生产三氯异氰尿酸,工艺集成度较高.

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Existence of positive solutions of BVP for second order IDE with fixed moments.

二阶脉冲微分方程边值问题.

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With double-negative metamaterials constructive relation, we deduce the differential equations that describe characters wave in DNG.

由双负介质的本构关系出发,利用时频转换关系, 推导出了描述双负介质中场与流的微分方程组.

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The differential quadrature method ( DQM ) is extended to solve the natural frequencies of pipe.

采用微分求积法求解输流管道的固有频率.

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ODE'S , PDE's, and Boundary Conditions . Well-posedness.

常微分方程的数值方法, 离散稳定性.

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This thesis aims to study optimal Schwarz waveform relaxation methods on PDE systems.

本文主要研究偏微分方程系统上的优化Schwarz波形松弛算法.

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