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- If Bayesian inference used to describe the problem, the posterior probability density function of earth model describes the solution of a geophysical inverse problem. 若贝叶斯理论被用来描述反演问题的话,则地球模型的后验概率密度函数可以用来描述反演问题的解。
- With analogizing the evolution process of atomic transition from excited states to ground state, we proposed a novel non-linear optimization algorithm for geophysical inverse problem, called as simulated atomic transition algorithm (SATA). 在此基础上,模拟了物理学中原子从激发态向基态跃迁的物理过程,建立了一种与原子跃迁过程相对应的非线性随机跃迁数学模型和模型解跃迁搜索准则,导出了适用于一般地球物理资料的模拟原子跃迁的非线性反演算法。
- geophysical inverse problem 地球物理反问题
- This paper is focused on the inverse problem of doubly center matrices. 摘要本文研究双中心矩阵反问题。
- At present, it provides publications, including Geodesy and Gravity Course Notes, Geophysical Inverse Theory, Theoretical Geomechanics, Theory of Seismic Imaging, A Genetic Algorithm Tutorial, etc. 目前提供的出版物有:大地测量学和重力讲课笔记、地球物理反演理论、理论地震学、地震成象理论、遗传推算指南等。
- The inverse problem of finding the displacement field from a strain field is not so simple. 反过来,如果从变应场来寻找位移场,那么问题就没有这么简单。
- The inverse acoustic scattering problem is a typical Math-matical Physics inverse problem. 声波反散射问题是一个典型的数学物理反问题。
- The inverse problem of space manipulator described by full Cartesian coordinates is studied in the present paper. 讨论了用完全笛卡尔坐标描述的空间机械手逆动力学问题。
- Direct and Inverse Problems in Engineering applications. 工程应用中的正逆命题。
- The least-square solutions to the inverse problem are established and their general form is given. 建立了双中心矩阵反问题的最小二乘解,得到了解的具体表达式。
- Levenberg-Marquardt algorithm can also be used to solve the nonlinear inverse problem of the parameter estimation. 遗传算法是一种相对较新的用于最优化估计的方法,也可以用于求解反问题。
- The error of FIF is studied in this paper, and an efficient method to solve the inverse problem of FIF is obtained. 摘要研究分形插值的误差估计,并由此获得解反问题的一条有效途径。
- An inverse problem of a free boundary problem which arised from the flow of non-Newtonian fluids is studied. 摘要讨论了由非牛顿流体流动引起的一类自由边值问题的一个反问题。
- This inverse problem can be solved in two steps, and consequently divided in two subproblems to research. 该反问题的求解可分成两步进行,归结为两个相应的子问题进行研究。
- The reconstruction algorithms include back projection algorithm and filter back projection algorithm for inverse problem. 逆问题部分实现反投影算法和滤波反投影算法。
- This paper gave a brief review on neural nets and neural computers, neuron models, layered network structures, error back-propagation algorithm and its application to geophysical inversion. 本文简要介绍神经网络与神经计算机,神经元模型,层状网络结构,误差逆传播算法及其在地球物理反演中的应用。
- Under the control of seismic phase model and transforming the single inversion issue into a combining inversion issue through raw data,we can improve the effects of geophysical inversions in nature. 在地震相模型控制下,通过原始数据将各个单一反演问题转化为一个联合反演问题,可降低反演在描述参数几何形态时的单个反演问题的自由度,从本质上提高地球物理反演的效果。
- Normally, image reconstruction from incomplete projections is an ill-conditioned inverse problem which can not be solved by traditional FBP or ART algorithm. 从投影重建切片图像,可以看作是解一个线性方程组的问题,由于投影数目少,该方程组无唯一解。
- The numerical method for the inverse problem of second-dimensional advection-dispersion-reaction equations is discussed in the article. 摘要讨论了一类二维对流反应扩散方程反问题的数值解法。
- An inverse problem method is employed to determine the average magnitude of acid pollutants in groundwater in Fengshui, Zibo, Shandong. 摘要应用反问题方法探讨山东淄博市张店区沣水南部区域地下水中硫酸盐的年入渗强度的数值反演问题。