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inversion
相关语句
  反演
    The Theoty and Application Study on Nonlinear Optimization Methods for Seismic Inversion
    地震反演中的非线性优化方法及应用研究
短句来源
    The Practical Improvement of Forward and Inversion Technique on Aeromagnetic Gradient Data and Its Application
    航磁及梯度数据正反演解释方法技术实用化改进及应用
短句来源
    NON-LINEAR AVO INVERSION CONSTRAINED BY A PRIORI GEOLOGICAL INFORMATION
    用先验地质信息约束的非线性AVO反演
短句来源
    GEOPHYSICAL INVERSION USING APPARENT MODEL SPACE CONTRAST METHOD
    用视模型空间对比进行地球物理反演
短句来源
    Inversion of Density in Bi-phase Media
    双相介质中的密度反演
短句来源
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  转化
    The Status and Development Tendency of Coal Processing and Inversion in Yongmei Group
    永煤集团煤炭加工转化现状及发展趋势
短句来源
    An approach is proposed and the procedure as follows:first,change 3D anomalies into 2D anomalies by using Radon transformation; second,do 1D inversion for 2D anomalies; third,for the results of 1D inversion,using inverse-Radon transformation to construct 3D source distribution.
    从Radon变换角度分析解释了重磁三度体异常和二度体异常之间的等价关系,提出了利用Radon正变换将三度体异常转化为二度体异常,对二度体异常做一维反演,然后将反演结果通过反Radon变换实现三维场源图象重建的思想,并付诸实施,在微机上通过模型检验,证明该方法实用、可行。
短句来源
    Due to the problem that the presence of numerous local minimum and the dependence on initial model mentioned in paper [1] , the method of multiscale seismic waveform by wavelet transform is proposed in this paper. Different from the traditional inversion methods which process optimization parameters in physical space or frequency domain, multiscale inversion aims to decompose the problem into scale sequence and performing the calculations based on the significant coefficients.
    基于在反演过程中对初始模型依赖性强、易陷入局部极值等问题 ,本文引入小波分析 ,提出多尺度地震波形反演方法 ,从而将参数反演问题转化到小波域中重要系数优化问题 .
短句来源
    The inversion of gravimetric interface is a non linear problem.
    用重力异常反演密度界面是一个非线性优化问题 ,以往多是在一定条件下将其转化成线性或拟线性问题 ,然后采用局部优化算法求解。
短句来源
    They are all meanjngful to transform the multi-wave prestack inversion into poststack,and directly invert elastic parameters.
    把多波叠前反演转化到叠后进行 ,通过合成弹性参数反射剖面 ,直接反演弹性参数等 ,都很有意义 .
短句来源
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  “inversion”译为未确定词的双语例句
    A Method of Improving Seismic Data Resolution:Comprehensive Inversion of Well logging and Seismic Data
    A Method of Improving Seismic Data Resolution:Comprehensive Inversion of Well logging and Seismic Data
短句来源
    MODEL BASED EVALUATION METHOD FOR THE IMAGING INVERSION ALGORITHMS AND SASART ALGORITHM
    基于物理模型的成像算法评价与 SASART 成像算法
短句来源
    Practice of Reverse Direction Drive Construction for Incline and Inversion Hoisting
    斜井反掘进施工倒向提升实践
短句来源
    The analyses show how Vs/Vs and 1/Qs vary with and σ. Inversion method for estimating ,ω1 and σ is given here.
    通过分析,得到了Vs/Vs和1/Qs随中σ的变化规律,从而给出求取ω1、σ的庆演方法。
短句来源
    The model parameters can be applied in actual seismic inversion directly,and it will provide instruction to improve accuracy and reliability for effective reservoir prediction.
    所建立的岩石物理参数模型可直接用于高孔隙度含气砂岩的识别,确定的模型参数可直接用于实际资料处理,对提高有效储层的识别精度和可靠性具有指导意义。
短句来源
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  inversion
Finally, the problem of inversion of a multiplier will be analyzed for smooth functions that have a specified structure near their zeros.
      
Pointwise fourier inversion: A wave equation approach
      
When F is the characteristic function of [0, R2], this gives a representation for radial Fourier inversion.
      
A number of topics related to pointwise convergence or divergence of such inversion, as R → ∞, are studied in this article.
      
Pointwise fourier inversion and localisation in Rn
      
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Seismic exploration techniques are increasingly developed. Some regularnoise wave is gradually used as useful message. Rayleigh surface wave propogatingcharacter in near surface is used to iteratively inverse near surface low velocitv zoiiethickness and velocity by mininum damping squares mdethod.The compultational resultsof real example in two areas of Daqing say that this algorithm is stable and is applicableto near suface inversion

利用瑞雷面波在近地表传播特点,用大小阻尼二乘法迭代反演近地在低速带厚度和速度,给出了大庆两个地区实例试算结果,表明该算法是稳定的,适用于近地在参数反演。

It has been shown that the calculation resultS Of the two methods,the simplified integral and quadratic interpolation methods used in 1 D modelling of CSAMT(Controlled Source Audio frequency Magnetotellurics )method differs from each other significantly.A third method which can be called direct integral method,is suggested in this paper.Large number of calculations indicates that the simplified integral and direct integral methods have highes calculation precision,and can be used inthe inversion of real...

It has been shown that the calculation resultS Of the two methods,the simplified integral and quadratic interpolation methods used in 1 D modelling of CSAMT(Controlled Source Audio frequency Magnetotellurics )method differs from each other significantly.A third method which can be called direct integral method,is suggested in this paper.Large number of calculations indicates that the simplified integral and direct integral methods have highes calculation precision,and can be used inthe inversion of real CSAMT data.

研究发现,两种目前比较常用的可控源音频磁大地电流法(CSAMT)的正演计算方法,即简化积分法和二次插值法之间计算结果差异较大。为了正确地评价这两种方法的计算精度,本文提出了利用直接积分进行,CSAMT一维正演的算法,即通过将任意角度频率测深 ̄[1]正演结果沿发射源方向直接进行数值积分,得到有限长度发射源的CSAMT正演结果。大量计算和精度评价发现,在这些算法中,简化积分法和本文提出的直接积分法计算结果吻合很好,是精度较高的算法,而二次插值法与前两种算法结果差别较大,是精度较低的算法。

Dachigan structural zone is one of the steep structural zones in the eastern Sichuan Basin. It is composed of fault-propagation folds and fault-bend folds controlled by stepping reverse faults formed by the inversion of previous normal faults. The formation of Dachigan steep structural zone not only generates many fissures in Upper Carboniferous, but also makes the porosity of Upper Carboniferous higher in the core of these anticlines.

川东大池干井高陡构造是在先期断层基础上发展起来的台阶状道断层控制的断展褶皱和断层转折褶皱。大池干井构造带的形成不仅在石炭系内形成了众多的裂缝,而且使背斜核部的孔隙度增高。

 
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