Inverse of 3D from Image Point Based On Projection Inverse Transformation 基于透视逆变换由图像点反求空间坐标
It is shown that the chromatographic process may attain the inverse point with the increase of the surfactant concentration, on which the movement sequence of the two corresponding solutes is changed. 研究表明,随表面活性剂浓度的增加,色谱过程可能到达反转点,在反转点处,对应的两种溶质组分的运动顺序发生改变。
Inverse Obstacle Scattering Problem for Point Source Excited Wave Fields 点源激励波场下的逆障碍物散射问题
Selection of wave number k in Fourier inverse transformation for point source and 2-D electric field problems 点电源二维电场问题中付氏反变换的波数k的选择
There isn't a fixed way to choose parameter P in inverse Point transla-tion method which can accelerate the convergence in power method. 加速幂法收敛的原点平移法,参数P现在还没有一种固定的选取方法。
Theories and technologies on ERD studied in this paper are as following: ( 1) The error of inverse plumb system in ERD is analyzed. The anchor point stability is studied by FEM analysis with water level variation combined. 研究了土石坝倒垂系统的误差,结合库水位变化进行有限元计算,研究倒垂锚固点的稳定性,解决了高土石坝倒垂埋深的优化。
Grey inverse method used gravity characteristic point sequence for dip fault of rock and mine 岩矿体斜断层重力特征点序列灰色反演研究
The structure characteristics of inverse jaw bottle lid were analyzed, and the design point and work procedure of injection mould for inverse lid were introduced. 分析反口盖的结构特点,介绍反口盖注射成型模具设计的要点及模具的工作过程。
This is apparently the reason why this class of inverse point source problem in resent 20 years is interesting to very fewer mathematical researchers. 这也是最近二十多年来大多数数学工作者很少研究这类反问题的原因。
Approximate Wavefront Method for Inverse Medium Parameters by Using the Point Source 脉冲源反演介质参数的近似波前法
On Inverse Limit Spaces of Maps of Finite Graphs Without Periodic Point 无周期点的图映射的逆极限空间
The results of the test indicate the online inverse calculation method is more suitable for single point monitoring and the error of calculated refractive index is less than 2%. 试验结果表明:在线反算适合单点监控,所得折射率误差小于2%。
This paper presents an inverse dynamics method applicable to control over the end point vibration of a single link flexible robot. 给出了一种适合单柔性杆机构运动控制的逆动力学分析方法。
The Study of a Class of Inverse Point Heat Source Problem of Parabolic Type 一类抛物型点热源反问题的研究
( I, p)-homotopy inverse and group homotopy inverse are defined in this paper on categories of topological space with base point. Their existence and properties are also presented. 该文在点标拓扑空间范畴中引进了(i,p)-同伦逆和群同伦逆的概念,并讨论了它们存在的条件和性质。
It is actually an inverse problem of the existing contour plotting problem based on the given grid point values. 它是目前广泛流行的由离散网格点值绘制等值线图问题的反问题。
Usually modular inverse operation on large prime fields and point multiplication on elliptic curve become bottlenecked in realizing the elliptic curve cryptosystem, and this paper adopts the improved measures of them to improve the running efficiency of the program. 在椭圆曲线加密模块的实现中,大素数域中的模逆运算和椭圆曲线上的点乘运算经常是算法实现的瓶颈,本文采用模逆运算和点乘运算的改进算法来提高程序的运行效率。
This paper introduces a computation method of trigonometric functions and inverse trigonometric functions in microprocessor by usr of combination binary fixed point operation with look-up table. 本文介绍了一种在微处理器中用二进制定点运算和查表相结合的方法简单实现三角函数和反三角函数运算的方法。
One of the basic Inverse problems of stereo photogrammetry is solved in the point of view of algebraic algorithm. 从代数算法的角度来求解航测学中的一个基本的反问题。
Based on the boundary integral equations, an inverse scattering formulation related explicitly to the unknowns is derived by point matching technique. 由积分方程出发,利用点匹配技术导出了依赖于未知参数的解析逆散射公式。
Inverse Problem of Dynamics of the Motion of Coupled Rigid Bodies about a Fixed Point 重刚体定点转动的动力学反问题
In this paper a function of the geometric intuition in the teaching of mathematical analysis is shown by the zero-point theorem, the theorem of maximum minimum property, the derivation rule of inverse function, and the definitions of uniform continuity and inflection point. 通过零点定理、最值性定理、反函数的求导法则、一致连续性和拐点的定义来说明几何直观在《数学分析》教学中的作用。
When the peak stress is same, the absorbed energy of material under the repeated impact contact load is more than under the static fatigue load. And absorbability is in inverse proportion with the distance from the impact point. 当峰值应力相同时,材料在多冲接触载荷下比静载荷和静疲劳载荷下吸收的能量多,且吸收量与离冲击点的距离成反比。
In the situation of structural performance function consisting of non normal dependent random variables, conditional probability distribution function of the variables and the inverse functions will be necessary for calculating structural second order reliability index by using Point Fitting SORM [ 1]. 对结构功能函数为相关非正态随机变量构成情况,使用PFSORM算法确定结构二次可靠指标须使用随机变量的条件分布函数及其反函数。
We inverse the true velocity of each gridding point combining the theoretical and observational time. Then we obtain images of velocity in different depth. 结合理论走时与观测走时反演得到每个网格点的实际速度,并得到不同深度的速度图像。
Researchers usually inverse the structure loads can by the wind-induced response of the limited measuring point with load identification methods, then complete the assessment of wind-induced accumulative fatigue of structural members. 在以往研究中研究者多根据有限测点的风致响应利用荷载识别方法来反演作用在结构上的荷载,用来实现对结构风致疲劳状态的评估。
First, the generalized inverse was employed in the point reconstruction. Then, the generalized inverse was employed to improve the vectors-based pose solution. Finally, an optimization method was applied in the attitude matrix. 该方法首先利用广义逆进行空间点重建,然后利用广义逆对基于空间向量的位姿求解方法进行改进,最后采用优化方法对姿态矩阵进行优化。
Investigation shows that studies of inverse problems may become a growth point in modern physics. 研究指出,逆问题研究可能成为现代物理新的生长点。
The conventional algorithm to transform an RBF implicit surface is to apply inverse transformation to the given point and to evaluate the original function at the inversely transformed point. 传统的RBF隐式曲面几何变换算法是:在给定点使用逆变换,然后用逆变换后的点,在原函数中计算函数值。