| 1. | Such amplitude variations would be predicted on the basis of principles governing seismic velocities in heterogeneous media . 按照在非均匀介质内确定地震速度的原理,应能预测这样的振幅变化。 |
| 2. | Computation of magnetotelluric response in the 2 - d inhomogeneous media 二维非均匀介质中大地电磁响应的计算 |
| 3. | Capacitance calculation for transmission line filled with piecewise homogeneous dielectric using boundary element method 用边界元法分析非均匀介质中的传输线 |
| 4. | The modeling and interpretation of receiver function for lateral inhomogeneous media is a potential study field for the physics of the earth interior 用横向非均匀介质模拟并解释接收函数,是地球内部结构研究的一个潜在的发展方向。 |
| 5. | Numerical test shows that the method presented in this paper can be applied in the lateral inhomogeneity study of the earth interior 数值检验表明,本文所提出的横向非均匀介质接收函数的数值模拟与偏移成像可用于地球内部介质横向不均匀性的研究。 |
| 6. | But , the methods have their shortcomings . they cannot be well fit to the objects with small scale and the medium fast changing in space , and they will also be embarrassed by the testing of objects required higher resolution 但是,由于方法本身仍存在不完善之处,对于变化较大的非均匀介质、小尺度或要求分辨率较高的检测对象,这两种方法不能完全胜任。 |
| 7. | Receiver function is simulated for inhomogeneous media , as a special case for elastic wave modeling with nearly vertical incidence plane p wave as initial condition , and provide the base for inversion and migration of receiver function in inhomogeneous media 以下覆半无限空间近垂直入射平面p波,作为弹性波数值模拟的特例,来模拟接收函数,从而为横向非均匀介质中接收函数的反演和偏移成像问题奠定了研究基础。 |
| 8. | The validty of the algorithm is validated by the programming . the result of the reconstruction has been shown in chapter 5 . and in conclusion i analyze the problem existed in using ga to optimize the electromagnetic inverse scattering and put forward the next research direction 最后给出遗传算法对非均匀介质进行重构的结果,在结论中分析用了遗传算法对非均匀介质进行重构既存在的问题,给出下一步工作的展望。 |
| 9. | With these three calculated parameters , the attenuation factor value of the radio wave propagation in the earth ' s crust is calculated by the ways of plane wave method and communication formula method , and the value of the leakage on the ground is also calculated by the inhomogeneous medium ' s field analysis method 据此三种参数,利用平面波法和通信公式法计算出电波在地壳中传播的衰减因子值,以及利用非均匀介质的场分析法计算出地面场强泄露衰减因子值。 |
| 10. | Numerical migration for typical models show that , in contrast to ray method , prestack wave motion migration can correctly image inhomogeneous media , and suppress multiple reflection wave effectively . prestack migration method presented in this paper should be developed to apply in observational teleseismic p waveform data , to study the inhomogeneity of crust and upper mantle 典型的介质模型数值分析表明,与射线方法相比,接收函数的波动方程叠前偏移能对横向非均匀介质准确成像,不仅有较高的分辨率,而且对多次波有较明显的压制作用。 |