| 1. | A review on refraction wave traveltime tomography of uppermost mantle
给出了数字脊波重构算法的全局对偶框架 |
| 2. | Research on acoustic wave traveltime tomography without enough rays
稀疏射线的透射声波走时层析成像方法研究 |
| 3. | A unique solution with traveltime for the p - sv wave conversion point in a horizontal reflector
波与界面多圆孔的散射及动应力集中 |
| 4. | Research on minimum traveltime of tomography for ground stress anomaly and karst collapse column in deep coal mining
深部开采地应力异常及陷落柱最小走时层析成像研究 |
| 5. | This paper describes traveltime and amplitude image characteristics of borehole ultrasonic imaging , and gives an application example in hong kong area
阐述了钻孔超声成像的走时和振幅图像特征，给出了1个在香港地区的应用实例。 |
| 6. | Basically , the cross - well seismic data processing has two steps : traveltime velocity inversion tomography for direct arrival and seismic reflection stack image
井间地震资料的处理主要包括两个最基本的内容，即直达波旅行时速度反演层析成像和地震反射波叠加成像。 |
| 7. | The sirt inversion operator can be applied to solve the large - scale sparse linear equation and velocity tomographic inversion can be performed based on direct arrival traveltime and accuracy could be 3 meters
研究成功的sirt反演算法可用于求解大型稀疏超定线性方程组，根据直达波旅行时进行速度层析反演，其精度可达到3米。 |
| 8. | The least traveltime ray tracing method can greatly reduce the amount of calculation for tomographic inversion and increase the accuracy for ray tracing . the important method to do the cross well seismic reflection image is xsp - cdp algorithm
研究的最小旅行时射线追踪法可大大减少层析反演的计算工作量并提高射线追踪的精度；井间地震反射成像主要采用xsp - cdp方法。 |
| 9. | Based on the analyzing of the dss ' s basic theory of tomography , an inversion scheme that can be described as the combination of the finite - difference inversion and ray inversion using traveltime , amplitude and gravity data is proposed
在分析深地震测深剖面层析成像基本理论的基础上提出了利用走时、振幅和重力数据，通过有限差分反演和射线反演方法对地壳上地幔结构进行层析成像的研究思路。 |
| 10. | The cross - well seismic forward modeling program can be applied to geological model that has different velocities and dips to calculate cross - well seismic synthetics for given sources and receivers by ray tracing the least traveltime or four order differential wave equation
研制的井间地震正演合成记录的程序，可用来对不同速度、不同倾角的地质模型，通过最小旅行时的射线追踪或四阶差分声波波动方程，计算出对于给定震源和给定检波点的井间地震合成记录。 |
