| 1. | Genetic algorithm and multi - grid technique applied to two - step linear inversion method
遗传算法和多重网格在两步线性反演中的应用 |
| 2. | As a whole , the result of wave impedances mixed inversion based on genetic algorithms is more satisfactory than that of linear inversion
总体上，基于遗传算法的波阻抗混合反演的结果是令人满意的，优于仅采用线性反演的反演结果。 |
| 3. | The velocity , density and especially the anisotropic parameter which is important to the study of fractured formation can be achieved by the generalized linear inversion based on the ava inversion equations
用此反演方程对ti介质进行多波ava参数反演，不但可以求出地层速度及密度，还能得到各向异性系数，该参数对裂隙型地层研究具有重要意义。 |
| 4. | This paper gained correlation conclusion about linear inversion pass through large numbers of test calculates , put emphasis upon the discussion of run parameters " acquired value extent about this algorithm is applied to wave impedance , gained the reference acquired value extent of run parameters
通过大量的试算，给出了线性反演的相关结论，重点讨论了采用本文编制的遗传算法用于波阻抗反演的运行参数的取值范围，并由试算结果给出了运行参数的参考取值范围。 |
| 5. | In this paper , taking the measured error sound velocity profile as the initial guess value , the sound beam travel times and beam angle recorded by the multi - beam system and the generalized linear inversion method are used to get a sound velocity profile close to the actual sound velocity profile , and the inversed sound velocity profiles have contributed to the reduction of sound velocity profile error
摘要以测得的误差声速剖面作为初始猜测值，利用多波束记录到的波束传播时间和波束角等信息，通过广义线性反演得到一个与实际声速剖面比较接近的声速剖面，这有助于减少声速剖面的误差。 |
| 6. | In this paper , author consider the combination of theory with practice especially . in the process of study , the avo method technology and technology of seismic data process and the study of interpretation were combined . on the basis of extensive absorbing the advance technology inside and outside , the theory of generalized linear inversion avo and non - linear avo inversion and weighted stacking technology were discussed detailed to the characteristic of heterogeneous reservoir . then , the forward and inversion of those methods were performed
在本文的研究中， avo方法技术与地震资料处理及解释研究得到了紧密地结合，在广泛吸取国内外avo油气检测先进技术的基础上，针对非均质气藏特点的需要，文章详细论述了广义线性avo反演方法和非线性avo反演方法、 avo反演中的加权叠加技术的方法原理，并对上述方法分别进行了详细的模型的正演和反演的研究。 |
| 7. | The non - linear inversion methods are developed to overcome the difficulties met when the linear inversion methods are used in the geophysical inversion problems . this paper presents the simulated annealing is hopeful for the inversion problem of resistivity map reconstruction . due to the slow speed caused by the global searching , so for , the method is limited in the processing the 1 - d model
为了克服像传统线性反演方法中解易陷入局部极小的不足，本文采用了模拟退火这种非线性方法实现了高密度电法一维反演，初步取得到较好反演结果，但由于它随机搜索全局解空间，计算量非常大，因此目前主要应用于一维地电结构的反演。 |
| 8. | On the basis of displacement - time series of the slope , a nonlinear dynamic model is set up according to backus generalized linear inversion theory in this paper . due to the equivalence beween autonomous gradient system and catastrophe model , a standard cusp catastrophe model can be obtained through variable substitution . the method is used in analysis of displacement data of huangci landslide and wolongsi landslide and in understanding how slopes evolve before sliding . the result shows that the nonlinear dynamic model can make satisfactory prediction result . is it most important that there is a sudden fall of d , which indicates the occurrence of catastrophe ( when d = 0 )
研究表明，滑坡变形失稳过程具有混沌和分维特性，可以用分形理论来研究滑坡预测问题，基于对任一连续函数，至少在较小的邻域内可以用多项式任意逼近的数学理论，运用改进的backus广义线性反演理论，以斜坡位移时间序列为基础，反演了斜坡演化的非线性动力学模型。并利用自治梯度系统与突变模型的等价性，通过变量代换得到标准的尖点突变模型。 |
