计算数学

jì suàn shù xué
  • computational mathematics;mathematics of computation;numerical mathematic
计算数学计算数学
  1. 针对现有各种GPS水准存在的缺陷,我们运用现代计算数学的最新研究成果,提出了一种新的GPS水准B样条最小二乘拟合法。

    Based on the latest research in computational mathematics , the principle and computing method of B-spline least squares are presented as a new method in response to overcome the defects which are often occur in the contemporary GPS leveling .

  2. 本文将计算数学中的预条件方法引入到STAP中,通过构造合适的预条件子引入特定的杂波先验信息来提高经典STAP方法的性能。

    By introducing the preconditioned method in computational mathematics into the STAP filed , this dissertation constructs proper preconditioners from prior-knowledge of clutter to improve the performance of conventional STAP methods .

  3. 根据Langmuir的等温吸附理论,给出了H型气体水合物相平衡计算数学模型。

    Based on Langmuir adsorption isotherm theory a calculation model for structure H gas hydrate equilibrium has been presented .

  4. 本文运用注气过程油气两相相平衡理论基础,建立了相平衡计算数学模型,并对PT、PX相图进行了模拟计算研究。

    This paper develops a phase equilibrium mathematical model based on oil-gas phase 's equilibrium theory basis in gas injection process and simulates and calculates P-T and P-X phase diagram .

  5. 水中CaCO3稳定计算数学模型的探讨

    The study on the math model of CaCO_3 balance in water

  6. 这里构建的DSL是一个简单的计算器语言,用于获取并计算数学表达式。

    The DSL being built here is a simple calculator language , designed to take mathematical expressions and evaluate them .

  7. 以往按照程应镗先生给出的FR型防振锤设计计算数学模型,计算得出的防振锤一频(垂直)振动频率,与实际试验结果差异较大。

    Based on Mr. Chen Ying-tang 's FR-type damper design model , the calculated first order vibration frequency ( vertical ) has large differences from to experiment data .

  8. 在传动系统分析的基础上,运用传递矩阵法建立了该压缩机传动系统的计算数学模型,并用Matlab编制相应的计算程序对该系统的扭转固有频率和固有振型进行计算。

    After the transmission system 's analysis , computation mathematics model has been established to this compressor transmission system using the transmission matrix law , In order to working out reverse natural frequency and inherent mode shape of transmission system with computer , the program was compiled with Matlab language .

  9. 对于结构特征值问题,计算数学的主要问题是发展保结构算法(Structure-preservingalgorithm),而结构向后误差可以用来检验数值算法的强稳定性。

    They appear in many scientific and engineering applications . For structured matrix eigenvalue problems , the key problem of computational mathematics is to develop structure-preserving algorithms . Structured backward error analysis may be done to test the strong stability of a numerical algorithm .

  10. 根据射线与物质相互作用理论,建立百分深度剂量(PDD)外推计算数学模型,将常规剂量仪测得的较浅水深PDD值外推到更深深度处,满足没有三维水箱放疗单位临床治疗需要。

    A mathematical model of extrapolating percent depth dose ( PDD ) was presented according to the principle of interaction between X-ray and water . The difference of extrapolated PDD by the model and measured PDD by 3D radiation field analizer is very small .

  11. 本文利用计算数学方法,根据地图投影变换的基本数学原理,提出了一种新的地图投影反解变换方法,双向迭代逼近法(BDIRA)。

    The paper provides a new algorithm for map projection reverse transformation , namely , bi-directional iteration reverse algorithm ( BDIRA ), which integrates the advantages of two methods above , and meets the needs for most types of common map projections .

  12. 带调节水池船闸水力计算数学模型

    Numerical model of hydraulic calculation for lock with regulation ponds

  13. 高等学校计算数学学报第28卷2006年总目次

    Numerical Mathematics A Journal of Chinese universities Vol.28 2006 contents

  14. 间接蒸发冷却器热工计算数学模型及验证

    Model for Thermal Calculation of Indirect Evaporative Cooler and Validation

  15. 重力式多相分离设备定尺计算数学模型

    Math Model for Size-Determining of Gravity Type Multiphase Separating Device

  16. 扣件式钢管脚手架挑架计算数学模型

    A mathematical model for cantilevered steel pipe scaffold with fasteners

  17. 聚驱开发指标计算数学模型的建立与应用

    Mathematical model for calculating production indexes of polymer flooding and its application

  18. 采场风流参数计算数学模型和数值计算方法

    The Mathematical Model and Method of Calculating Airflow Parameters on Longwall Face

  19. 计算数学专业数学基础课教学改革的思考

    Reforms on the Teaching of Mathematics in Computational Mathematics Speciality

  20. 接触网支柱装配计算数学模型

    Study on mathematic model for assembly calculation of catenary supporting

  21. 连杆计算数学模型的研究

    A Study on Mathematical Model of Connecting Rod by Isoparametric Element Calculating Method

  22. 加热炉热滑轨预示计算数学模型

    A mathematical model to predict the effect of hot skid in reheating furnace

  23. 石油勘探对计算数学的新需求

    A new demand for Computational Mathematics from oil exploration

  24. 蒸汽管网水力热力联合计算数学模型及应用方法的研究

    Research on Model & Method of Steam Networks ′ Hydraulic and Heating Calculation

  25. 分户供暖管网系统水力计算数学模型应用

    The Application of Hydraulic Analysis Mathematics Model for Household Heating Pipe Network System

  26. 双级溴化锂制冷循环中间压力优化计算数学模型

    Optimum Mathematical Model for Calculating Intermediate Pressure in Two stage LiBr Refrigerating Cycle

  27. 火焰炉段法预示计算数学模型

    Mathematical model for thermal process prediction of flame furnace by means of zone method

  28. 然而,数理逻辑重视的是形式推理和严格论证,计算数学却追求的是数值计算,它允许近似求解。

    However the computational mathematics were striving after numerical computation and permits approximate solving .

  29. 新疆戈壁土顶管施工顶力计算数学模型的建立

    Setting-up of Calculating Mathematics Model of Soil Top Construction in Gobi Desert in Xinjiang

  30. 船舶中央冷却系统的热力计算数学模型

    Thermodynamic simulation of the marine central cooling system