analysis, numerical造句

• In this paper some technical questions of high voltage dc switching power supply were investigated by using theoretical analyses , numerical simulation and experiment
  本文通过理论分析、数值仿真和实验等手段，针对高压大功率开关电源技术实现过程中所存在的一些问题进行了研究。
• Theory analysis , numerical simulation and experimental result indicated that the surface electric field of the device was more uniform and the breakdown voltage was increased effectively
  理论分析、数值模拟和实验结果表明,该结构可以使表面电场变得更加均匀,有效提高器件击穿电压。
• The solution of these problems will require the closed cooperation between observational studies , theoretical analysis , numerical simulations and environmental forecast , leading to a big refinement of the space physics
  这些问题的解决需要观测研究、理论分析、数值模拟和环境预报的紧密合作，才能促成空间物理学的飞跃发展。
• By theory analyses , numerical experiment and application test , the follows conclusions are attained : 1 . the outstanding role of edge detecting algorithm is that it can be used to find out the boundary between different areas
  本文通过理论分析、数值实验和实际应用实验，获得了如下成果与认识： ( 1 )边缘检测算法最突出的作用是检测不同区域的过渡带，也就是边缘。
• The main results are presented . second , the theoretical analysis about electron beam and wave interaction is presented . base on the theoretical analysis , numerical simulations of electron beam and wave interaction in gyroklystron were done
  二、通过采用自洽非线性大信号理论方法,在理论分析和高频计算的基础上对回旋速调管放大器注-波互作用进行了数值计算。
• In the process of discussion , theoretic analysis , numerical calculation and circuit experiment have been integrated and they provide theory and experiment foundation for practical application of chaotic and hyperchaotic synchronization
  在讨论的过程中将理论分析、数值计算以及电路实验有机地结合起来，为混沌和超混沌同步在实际中的应用提供了理论基础和实验依据。
• In this thesis , two shakedown rules respectively for alternating plasticity and incremental collapse is given as the theoretical basis of upper - bound shakedown analyses , numerical procedures for solving for the upper shakedown loads respectively for alternating plasticity and incremental collapse are provided
  提出了极限载荷与安定载荷包络图的概念，并将其应用到地基的安定性分析中，使得计算的结果更加清晰、明了。
• In this paper , the high performance , high compression - ratio prs and its sub - systems are intensively and deeply investigated through plenty of efforts in theoretical analysis , numerical simulation and experiments . a lot of important achievements have been made
  本文以高性能、大压缩比化学激光器压力恢复系统为研究内容，通过大量的理论分析、数值模拟和实验研究工作，全面深入地开展了prs系统各个子系统的研究工作，取得了许多重要的成果。
• And then we found and testified two examples , in which the connections in n - variable mean fam - ily , countable mean family and continuous mean family are shown . the theory in this paper prepares for the further application in convex analysis , numerical approximation , cagd , probability and statistics . etc
  文中还给出了连续平均族的两个具体的实例，对这两组平均族进行了证明，并找出了其中蕴含的连续平均族与可数平均族、 n元平均族之间的联系等等
• In the paper , the following work was accomplished by theoretical analysis , numerical simulation and experiments : this paper analysis the weather character in beijing , solar irradiance in south wall of buildings and inner surface temperature of south windows and wall in winter has been calculated hourly . with the winter solar irradiance character , calculating the hourly heat load
  主要研究内容如下:本文对北京地区的气候进行了分析,对冬季建筑物壁面的太阳辐射强度、南外窗和南外墙的内壁温进行了逐时计算,并结合冬季太阳辐射的特点进行了逐时热负荷计算。
• Taking the evolution equation of a kerr resonator and cgle for example , we discuss pattern formation with system boundary effects . spatial modulated instability induced pattern formation in shg is discuss also . detail of linear stability analysis , numerical simulations and their consistencies are presented
  首次讨论了前一模型系统的边界效应对斑图形成的影响，给出了详细的线性稳定性分析结果和数值实验结果，证明边界对斑图的形成具有重要的影响和选择机制。
• In view of some problems that occur at controlling blasting demolition of reinforced frame structures , this paper summarizes the application and study of blasting demolition of buildings at present , and studied the course of lose stability and collapse occurring during blasting demolition of reinforced frame structures through theory analysis , numerical simulation
  本文总结了建(构)筑物拆除爆破技术的应用与研究现状,针对框架结构建(构)筑物爆破拆除中存在的一些问题,从理论分析、数值模拟等方面对框架结构建(构)筑物爆破拆除失稳及倒塌过程进行了研究。
• Theoretical analysis , numerical simulations and practical applications all show that the new model simulates the complex behaviors of real security price better than the traditional svpms and its output price series possess the same statistical characteristics of return as that of the real ones ; besides , compared with the existing short - term security price predicting models , the new model is of high precision and efficiency , robustness as well as universality
  理论分析、数值仿真和实际应用均表明，与传统随机波动价格模型相比，新模型可更好地刻画现实证券价格的复杂行为，生成的价格序列的收益统计特性与真实证券价格较吻合；与现有股价短期预测模型相比，新模型具有预测精度高、速度快、鲁棒及普适性等特点。
• The paper did scrupulous discussion and investigation on the interaction between electron beam and standing wave field in the gyroklystron , which is typical in the electron cyclotron maser which action rf system is resonant cavity . the main works of this dissertation are listed as following : first , solving field in absorbing material and field matching method were used to derive the dispersion equation in waveguides and field matching formulas of hybrid modes in an abrupt cavity with absorber . based on the theoretical analysis , numerical simulations of the cavities in gyroklystron were done
  主要工作有:一、采用吸收介质分区求解及场匹配的方法推导出含有吸收层的色散方程,单侧加入吸收介质及两侧均加入吸收介质两种突变结构混合模场的匹配方程,在理论分析的基础上,通过相关的模拟软件,建立了回旋速调管介质加载中间腔的计算模型,对回旋速调管中间腔进行了数值模拟,并给出了主要的计算结果。
• The academic and theoretical fact has it that many still remain subject to qualitative rather than quantitative studies , among which systematical studies are even fewer . these untouched leave this dissertation much to be explored . the dissertation employs multi research methods , such as theory - and - practice analysis , empirical and formal analysis , numerical and econometric analysis and so on
  而且，从已进行的一些研究来看，其虽然已经取得了一定进展，但还没有突破定性研究的框架，定量研究仍较少，其中的系统性研究更是鲜见，因此，这给本文留下了广阔的研究空间。
• The extend work of my doctoral research is introduced in the part . problems of cavitation noise are investigated with three methods such as theory analysis , numerical simulation and experiment research . mixed boundary element method is put forward to solve acoustics of bubble collapse by author
  第二部分：空化噪声研究该部分工作是作者博士期间工作的延续，对空化噪声问题从理论分析方面、数值模拟及实验三方面进行研究，应用作者提出的混合边界元方法求解了空泡在边界附近溃灭时的辐射噪声问题。
• When the two - dimensional decoupling theory is applied to single - mode and two - mode dye laser system , the mean ( i ) , variance 2 ( 0 ) , and effective eigenvalue eff of laser intensity are calculated . excellent agreement between theoretical analysis , numerical simulations , and experimental measurements are obtained
  然后将二维退耦理论应用到单模和双模染料激光系统中，算出了激光场的平均强度< i > 、强度方差_ 2 ( 0 )和有效本征值_ ( eff ) ，理论分析与数值模拟和实验结果符合得很好。
• Based on the field - coordinated enhancement principle , the enhancement and optimization for convective heat transfer are studied by theoretical analysis , numerical simulation and experiments in this dissertation . according to the analytical , numerical and experimental results , new heat transfer enhancement techniques are developed and applied in engineering
  本文基于场协同强化原则，采用理论、数值方法和实验研究探求对流换热的强化与优化问题，在此基础上开发新的强化技术并在工业中获得应用。
• It is found that when the switch s is on , the capacity charges too fast is the main reason why generating chaos in the circuit . then based on above analysis , we present the method of using output voltage pulse differential feedback to control chaos in the buck converter . theoretical analysis , numerical calculation and circuit simulation demonstrate the validity of this chaos control method
  首先研究了脉宽调制式的buck变换器中混沌产生的原因，研究发现开关s导通时，电容充电过快是这类电路中混沌产生的主要原因，在此基础上提出了应用脉冲微分反馈控制buck变换器的混沌，并设计了控制电路，数值模拟和电路仿真的结果证实了该混沌控制方法的有效性。