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    BOUNDARY ELEMENT METHOD FOR FORWARD SOLUTION OF TWO DIMENSIONAL FREQUENCY ELECTROMAGNETIC SOUNDING
    二维频率测深边界单元法正演计算
    Taking the magnetic dipole as an example,this paper analyzed the characteristics of the time-lapse magnetic field,presented the method of inversion for it,and obtained a good effect when the theoretical model was utilized to simulate.
    本文以运动磁偶极子为例,研究了时移磁场的正反演问题,正演计算了一个运动磁偶极子在不同情况下的时移磁场,分析了时移磁场的特点,提出了对时移磁场的反演方法,并用理论模型进行了数值模拟,取得了良好的效果。
    Forward computation of high order derivative of gravity anomaly relating to complex geologic body
    复杂形体重力异常高阶导数的正演计算
    The Normal Deduction Calculation and its PrelimnaryExplanation of the Transient Sounding Resistivity Curve
    瞬变测深视电阻率曲线的正演计算及其初步解释
    3D RESISTIVITY FORWARD CALCULATION ACCELERATEDBY ICCG ITERATION TECHNIQUE
    利用ICCG迭代技术加快电阻率三维正演计算
    Application of finite-element direct iteration algorithm to MT 2-D forward computation.
    有限元直接迭代算法在MT二维正演计算中的应用
    Forward finite differential calculation for 3-D transient electromagnetic field.
    3D瞬变电磁场的有限差分正演计算
    On the research of the influence of terrain to MT 2D forward computation,
    MT二维正演计算中地形影响的研究
    Lanczos's iteration glgorithm in 3-D forward calculations of resistivity
    三维电阻率正演计算中的Lanczos迭代算法
    Using conjugate gradientiterative algorithm to solve the smallest tectonic invertion algorithms of linearequations, and only need calculate G-1 Vectors X product results Gx and the transposevectors GTy results.
    运用共轭梯度迭代算法来解最小构造反演算法中的线性方程组,只需要G与任一向量X的乘积结果Gx及G的转置GTG与任一向量)y的乘积结果GTy,而Gx及GTy均可在每次反演迭代中的一次正演计算后求得,这样每次反演迭代只-需要一次正演计算,力口快了反演速度。
    First of all, the relief of the first layer must be known, andthen the field value of the first field interface is gained by forward calculation.
    该方法是在知道第一层界面起伏情况下,通过正演计算出第一场界面的场值,然后再由总场值减去正演的第一层场值,最后反演下一层界面。
    Seismic wavelet is an important parameter sequence for both the forward calculation and the inversion of seismic records.
    无论是在地震记录的正演计算或反演过程中,地震子波都是一个十分重要的参数序列,如果子波不准,则正演结果就不精确,与实际地震资料也难以吻合;
    Finite element direct iteration algorithm is used in MT 2 D forward computation, it has the advantages of finite element and finite difference characteristics.
    本文将有限元直接迭代算法 ( DIFE)用于 MT二维正演计算 ,充分利用了有限元直接迭代算法同时具有有限元和有限差分基本特征的优点。
    A vertical cylinder is a simple and practical model in gravity forward problem.
    在重力正演计算中垂直园柱体是一个较为简单,而又有较大实用价值的模型。
    Considering the influence of the topography, the authors analyzed in detail the geoelectric section model and made CSAMT two-dimensional inversion for the direct calculation data of the model. The result is basically consistent with the shape of the direct model. The electric section obtained can satisfactorily reflect the underground geological structure and accord with the geological data.
    复杂地形严重地影响可控源音频大地电磁测深(CSAMT)的解释结果,为此,笔者考虑了地形的影响,将地电断面模型经过精细剖分,对模型正演计算的数据进行CSAMT二维反演,得出的结果与正演模型的形态基本一致,获得的电性断面能很好地反映地下地质结构,与实际地质资料相吻合,证实了该方法的正确性和有效性。
    The paper briefly introduces the theory of Nuclear Magnetic Resonance (NMR) and analyze its forward modeling and 1D inversion algorithms using the simulated annealing for layered aquifers.
    简要地介绍了NMR找水的理论方法,分析了核磁共振找水对于不同含水层的正演计算方法,并用模拟退火反演方法对一维含水模型进行反演,给出了三个不同含水层模型的模拟退火反演效果图。
    THE APPLICATION OF OF OPTIMIZED NUMBER TO DIRECT CALCULATION OF POINT SOURCE TWO-DIMENSIONAL FINITE ELEMENT
    最优化波数在点源二维有限元正演计算中的应用
    Discussion of Some Problems Concerning Magnetotelluric Modeling by Finite Element Method
    大地电磁场正演计算中几个问题的探讨
    FORWARD MODELING STUDY OF RAYLEIGH WAVE DISPERSION CURVES
    瑞利波勘探中频散曲线的正演计算
    SOME PROBLEMS IN 3D FORWARD SIMULATION OF MINE DIRECT CURRENT METHOD
    矿井直流电法三维正演计算的若干问题
 

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