| 1. | Through the modeling and data process we can find that the principle and method is right 通过正演模型和是及资料处理验证了理论和方法的正确性。 |
| 2. | Future study should put emphasis on further improvement of tectono - thermal models and its matching with reverse models 构造热演化正演模型的进一步完善及正、反演模型的匹配将是未来构造热演化模拟的发展趋势。 |
| 3. | The forward model of gpr electromagnetic wave propagation in pavement system is developed based on maxwell equation in electromagnetic theory 基于电磁波理论的基本原理,从maxwell方程着手,建立了雷达电磁波在路面结构体系中传播的正演模型。 |
| 4. | Applying this forward model , the system identification theory is firstly introduced to gpr signal analyzing field , and the sidthk program is developed for backcalculating dielectric property and thickness of pavement structures 应用该正演模型,首次将系统识别理论引入探地雷达信号分析领域,提出了路面结构层材料介电特性及其厚度反演分析方法,并开发了反演分析软件sidthk 。 |
| 5. | Finally , using the forward 1 - d modeling and amplitude versus offset ( avo ) technology i examine the three micro models to infer the possible cause of bsr , blanking zone and analyze the validity of avo in hydrate research 最后,通过采用一维正演模型和振幅随偏移距变化( avo )技术,逐一考察了三种微观模型,进而推断出bsr以及空白带产生的可能原因并分析了avo技术在水合物研究中的适用性。 |
| 6. | The forward model for gpr electromagnetic wave propagation in pavement system is established based on the basic theory of electromagnetic through analyzing the propagation characteristics of electromagnetic wave propagation in pavement , then the reflected signals of gpr wave propagation in different pavement structures are simulated 基于电磁波基本理论,通过分析雷达电磁波在路面结构层介质中的传播特性,建立了雷达电磁波在路面结构体系中传播的正演模型,并依据该模型模拟合成了不同路面结构体系中雷达波的反射信号。 |
| 7. | By means of the results obtained , such as the quantificational relationships between the rock ultrasonic wave parameters and the important formation conditions like pressures , and the half - quantificational relationships between the rock ultrasonic wave parameters and porosity and density of those rocks , and the relationships between rock ultrasonic wave parameters and the composition of rocks , we established the corresponding relationships between the ultrasonic wave parameters and depth under the main formation conditions ( indicating temperature and pressure gradient ) in tertiary of zhujiangkou basin , which should be very useful for the geophysical exploration 获得了岩石声学参数与压力等重要地层条件之间的定量关系,岩石声学参数与孔隙度和密度之间、以及与岩石组成之间的半定量关系,并建立了在珠江口盆地东部第三系主要地层条件下(指温度梯度和压力梯度)不同岩石类型的主要声学参数与深度之间的对应关系,该关系可为地球物理正演模型的建立提供基本参数、并为地震反演提供新的约束机制。 |
| 8. | This paper deals with the extraction of the seismic attributions , describes their physical significance , studies the relationships between seismic velocity , density and seismic attributions by using model technology , analyses geological implications of seismic attributions , and provides grounds for analysing and selecting seismic attributions in practical application 摘要介绍了地震属性的提取及其物理意义,通过正演模型技术研究了地震波传播速度、密度及深度与地震属性之间的关系,分析地震属性的地质意义,为在实际应用中对地震属性的分析、选取提供了一定的依据。 |
| 9. | In this dissertation , the principle of fem in em was discussed , then the pulse radar and three - layered pavements were analyzed with 20 - noded and 4 - noded isoparametric elements respectively . then , corresponding fem programs are compiled in fortran90 . so a forward model was built up to describe the transmitting of electromagnetic in the radar and pavements , according to the system identification method 针对上述情况,本文系统阐述了电磁场有限单元法的基本原理,然后采用二十节点、四节点等参单元分别对pulse雷达实体及三层路面系统进行了静态场和时变场的有限元分析,初步建立了电磁波在三层路面中传播的正演模型,同实测波形相比,模拟效果较好,并用fortran90语言编制了相应的三维、二维有限元程序,具有较好的可读性和可移植性。 |
| 10. | Application the forward model we can get the profile of medium that combine in some condition , in order to conduct the attributes optimize , the paper offer some basic principle , and discuss the reliability of attributes from the character of incident wave and from the character of the inter - bed and from the reliable zoon of attributes 正演模型是我们研究地震波属性和地球物理正问题的一种有效的方法,利用正演模型的研究,提取一些介质组合情况下常用的属性剖面。提出了一些属性优化的原则,并且从入射波的特性和岩性以及属性可信度区间讨论地震波属性可靠性,指导属性参数的优化。 |