• 建立了机动弹道数学模型,给出气动力系数速度迎角高度函数合式,进行了最佳再入机动弹道设计和仿真计算。

    The mathematical model of reentry maneuvering trajectory is established. The fitting expression of aerodynamic coefficient function on velocity, attack of Angle and altitude is presented.

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  • 方法利用光轴对称径向畸变数学模型求出光学镜头校正系数,对畸变图像进行校正

    The method USES the model of radial nonlinear distortion with the symmetry of optical axis to obtain correction coefficients of the optical lens, and then corrects the distortion image.

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  • 本文这一方法数学模型入手,介绍重要性系数评价矩阵建立方法,并具有实例

    Presenting firstly the creation of the method's mathematical model, the paper introduces the aquisition of the important coefficient and the evaluation matrix, with an example to give an illustration.

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  • 通过改造绕组调制函数建立数学模型分析计算绕组的分层系数正交误差电气误差。

    Through reform the modulating function of the winding to set up the mathematic model, by which it analyses and calculate the layer coefficient, quadrature error, electrical error.

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  • 给出现场条件下液压元件寿命估算数学模型系统目标清洁度与寿命延长系数关系

    Advanced the mathematical model of the hydraulic components life estimation method and established the relations of the system target cleanliness to the life extension coefficient.

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  • 根据镜头畸变数学模型利用平面圆形网格模板的网格交点求取镜头的径向、切向和薄棱镜畸变系数

    Based the math model of lens distortion, the plane roundness gridding model is used to calculate the lens distortion coefficients of radial distortion and other non-linear factor.

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  • 分析系统不同工况运行原理前提下,建立系统性能系数数学模型

    The mathematics model of coefficient of performance for SWHP-RFH is presented after analyzing the operation principle in different conditions.

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  • 人体体型数学模型人体体型62个变量中的41个变量估计效果,估计值原始相关系数在0.75以上

    The mathematical model of human body can well predict the 41 variables in the 62 measurements, with the coefficient between prediction value and original one reaching more than 0.75.

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  • 首先推导出了三维试验数学模型特性系数计算公式,由此确定试验方案。

    First, in this article, the mathematical model of the experiment for the three-dimensional oil film and the computative formulas of the dynamic characteristic coefficients were deduced.

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  • 根据密度膨胀系数物理定义通过公式推导建立了相应数学模型

    The corresponding mathematic model has been established in accordance with the physical definition of the density and the expansion coefficient through formula derivation.

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  • 建立了功效系数目标函数数学模型

    A mathematical model is proposed with the coefficient of efficacy as the objective function.

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  • 利用这个数学模型实验数据进行非线性合,拟合的相关系数高于0.99。

    The mathematic model was adopted for nonlinear least-squares data fitting to process experimental data, and a high correlation coefficient excelling 0.99 was obtained.

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  • 文中如何建立数学模型,权系数优化结果影响问题进行说明。

    In this paper, some questions have been explained such as the establishment of mathematical model, the effects of weight coefficients to optimum design results and so on.

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  • 最后建立基本事件概率重要系数数学模型

    At last, the mathematical model has also been made on the coefficient of probability important degree of the elementary events.

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  • 设计一种新型均速管,根据伯努方程连续性方程建立均速管仪表系数数学模型

    A new half-tube averaging pitot tube is designed, and based on the Bernolli equation and continuity equation, a mathematics model is established.

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  • 建立汽车发动机传动系数模型的基础上,编写了模拟汽车动力性燃油经济性计算机程序

    According to the model between the engine and the transmission, we draw up a computer program imitating the automobile motive power property and the automobile fuel economic property.

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  • 考查、难度系数题型为主要控制参数建立了组卷问题数学模型,并给出遗传算法解决组问题的新方法。

    This paper presented a mathematical model with the main controlling parameters of the main points of knowledge, coefficient of difficulty and the structure of test question.

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  • 利用原型观测资料对已有过饱和总溶解气体释放数学模型进行验证同时释放系数公式进行了修正

    The existing mathematic models for the release of the supersaturated TDG were validated by use of the prototype observations. Simultaneously, the formulas for the release coefficients were modified.

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  • 结果药物经量化问题出发研究方剂归经量化,首次提出两种中医方药归经量化"归经系数经典数学模型

    Results:Proceed from the channel tropism of medicine, two classical mathematics systems of channel tropism coefficient of chinese medicine prescriptions were first established.

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  • 基础上着重阐述了如何建立结点基本信息数据库约束据库,从而构造平面连杆机构数学模型

    On this basis, it emphasized how to establish the node basic information database and the restricting relation database, and constructed out the mathematic model of the planar linkage mechanism.

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  • 本文研究光滑系数耦合扩散过程这是一个刻画分子马达系统数学模型

    In this paper, we study coupled diffusion processes with smooth coefficients, which model the system of the molecular motor.

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  • 其中特别引入潜在损失费用区域形状系数等概念,进一步完善了数学模型

    In particular, the introductions of the potential cost, regional shape coefficient and so on, further improved the model.

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  • 本文运用模糊数学思想,按照相对隶属原则通过制定各门课程之间权重系数,建立一种新的奖学金评定的模糊优选数学模型

    In this paper, a new model of optimizing fuzzy selection for criteria of prize was built, using fuzzy theory and membership grade by specified weight coefficients of different courses.

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  • 本文介绍了用于材料导热系数瞬态测量两种数学模型它们考虑实验过程中材料膨胀的影响

    Two mathematical models of the dynamic measurement for thermal conductivity of materials are described by taking into account the effect of thermal expansion during the experiment.

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  • 依据储层变形渗透率变化系数模型推导建立考虑储层变形气藏单井产能公式。

    Coal gas reservoir single well productivity formula was established by use of the model of reservoir permeability changes with reservoir deformation.

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  • 近年来填充床反应器CFD数学模型几个研究重点是动量交换系数毛细管压力以及床层空隙率的非均匀分布性。

    Several of the focuses of CFD model in packed-bed reactors were studied, namely, the momentum exchange coefficient, the capillary pressure and the void fraction.

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  • 通过对螺旋锥齿轮机械式铣齿CNC铣齿机之间加工调整参数转换原理研究推导两类机床运动数学模型;提出了求解运动轴表达式系数的速度求导法。

    By studying the transformation principle of the machining setting parameters from cradle style machine to CNC gear generator, mathematical kinematic models of every axis are deduced.

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  • 通过对螺旋锥齿轮机械式铣齿CNC铣齿机之间加工调整参数转换原理研究推导两类机床运动数学模型;提出了求解运动轴表达式系数的速度求导法。

    By studying the transformation principle of the machining setting parameters from cradle style machine to CNC gear generator, mathematical kinematic models of every axis are deduced.

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