查询词典 analytic method

Firstly, by adopting the thought of Adomian's decomposition method, the generic dynamic model in mechanical systems are transformed into a standard first-orderdifferential-equations, and then the inverse operator method for the approximate analytic solution of nonlinear mechanical system is developed based on the exact solution in form.

主要研 究工作如下：利用Adomian的分解方法的思想，把机械系统中最一般的动力学模型转化为一阶标准型微分方程组，以形式上的精确解的表达式为基础构造了求解机械系统非线性模型近似解析解的逆算符方法；针对机械系统非线性模型的特点，提出了直接处理高阶方程的不降阶逆算符方法；证明了该方法的收敛性。

At the same time combined with indoor maximum dry density test,this paper discusses the possibility that rock-filling construction quantity .Then data of densification quantity examination under the condition ofdifferent filling material.densification machinery.densification parameter and lay-down thickness are collected as the analytic object. On the basis of making a statistical analysis of experiment data ,supervisory standard and assessment method of settlement difference and settlement ratio that adopted to examine rock-filling embankment construction quantity are put forward systematically At last carrying on settlement observation tests of rock-filling embankment in different construction stage in different layer ,the dependability of assessment method is validated.

同时结合室内最大干密度试验，讨论了表面沉降法作为填石路基施工质量检测手段的可行性和可靠性；然后通过汇总不同填料、不同压实机械、不同压实参数和不同摊铺厚度条件下的压实质量检测数据作为分析对象，在对试验数据进行了统计分析的基础上，较为系统地提出了以沉降沉降差及沉降率作为填石路基施工质量检测指标的评定方法和相应的管理标准值；最后通过对填石路基试验段进行不同填筑时期不同层位的沉降观测试验，验证了评定方法的可靠性。

In order to get the stress analytic solution, the stress equations are deduced with conformal mapping method and residue theorem, the defaults of equations in the reference are corrected. This method overthrows the obstacle in the engineering stress calculation for the flat receptacle with conformal mapping.

为了建立有实际意义的扁挤压筒应力解析解，本文结合单连体复变函数保角映射法和留数定理推导出受内压力作用的扁挤压筒的应力求解公式，更正了国外文献中相应公式的错误，开发了受内压扁挤压筒的应力计算程序，实现了应力计算的程序化。

The analytic method of new miticide F1050 was studied in this paper. The method of HPLC was good for the determination of F1050.The relative coefficient, variation coefficient and recovery were 0.9999, 0.20－0.24%, 99.24－99.83% respectively.

研究了新杀螨剂 F1050的分析方法，采用高效液相色谱法分析F1050原药及15%乳油，分离完全，回归方程的相关系数为0.9999，方法的变异系数为0.20%－0.24%，回收率为99.24%－99.83%，结果较满意。

A new flux expansion nodal method was developed to solve three-dimensional multigroup neutron diffusion equations in hexagonal-z geometry. The method expands the intranodal homogeneous flux distributions in analytic basis functions for each energy group.

提出了一种在三维六角形几何节块内数值求解多群中子扩散方程的节块法，该方法把节块内各群中子通量分布用解析基函数近似展开。

Rich in the content of research of circuit breaker on-line working conditon monitoring, this project focuses on some signal disposal and analytic method of circuit breaker on-line working conditon monitoring system, disposing vibration signal and winding electric current mostly, researching on wavelet denoise method and data pretreatment deeply.

断路器在线监测研究的内容十分广泛，本课题着眼于断路器在线监测系统中的一些信号处理和分析方法，主要是对振动信号和线圈电流进行数据分析和处理，同时深入研究小波消噪方法和数据预处理方法。

The formulas derived show that FAM is more accurate and reasonable than finite difference method and finite element method , also, on the element partial differentiation of dynamic Reynolds equations with respect to circumferential and axial direction is directly obtained by finite analytic solution.

本文在详细分析目前流体润滑轴承层流、紊流润滑理论及轴承-转子系统稳定性理论的基础上，提出了将有限分析法用于计算动压、静压、动静压轴承的静特性和动特性系数，并推导了相应的计算公式。

The operating principle and component of the shadowgraph experimental station were introduced. The clear shadowgraph of target was gained after construction. Using this technique, the calculative method of DT ice thickness and the surface roughness analytic method of target were realized. Through design simulative experiment, the shadowgraph of DT ice was got.

主要介绍了背光成像实验样机的组成及工作原理，讨论了各光学部件的选择，在原理型样机建成后，获得了玻璃微球靶高质量的背光图像，通过对背光影像的光路图分析与测量（测量精度达到1μm），掌握了靶球DT冰层厚度的计算方法；初步建立了靶球二维内外表面粗糙度分析方法；通过设计模拟实验，获得了冰层在微球靶丸内均匀分布后清晰的背光影像。

The result of this method is accurate solution of differential equation because it is on the basis of analytic method. Compared with the value solutions, it has a lot of characteristics such as clear concepts, simple steps, quick convergence rate, etc.

此方法是建立在解析方法的基础上，得到的结构内力和位移具有足够的精度，它和目前应用广泛的有限元法、差分法等数值解法相比，具有概念清晰、步骤简单、收敛速度快等特点。

Secondly, two-dimentional analytic method and three-dimension finite element method is adopted to analyze stratum movement and soil influence during pipe jacking construction, we can know the laws of horizontal and longitudinal deformation of the earth's surface.

然后通过对顶管施工引起的地表变形进行二维解析计算和三维数值模拟分析，得出顶管施工过程中和施工后地表变形的横向和纵向变形规律。

Through comparing with the results by simulation to study the effects of theprojectile"s final velocity, the angle of rotation and the ballistic trajectory"s migration withdifferent projectile"s rotating speeds, different target"s moving speeds and differentpenetration angles.

通过比较数值模拟的结果来研究不同弹头转速、目标速度、侵彻角对侵彻过程中弹头最终速度、翻转角度和弹道偏移的影响。

I love stationery and all the accoutrement of writing.

我爱文具以及所有的书写的工具装备。