| 1. | Influential factors on pile testing with reflection wave
反射法检测桩基质量的几个影响因素 |
| 2. | The method of seismic and reflection wave synthetic seismogram in vti media
介质中地震波反射波合成记录的方法研究 |
| 3. | But when the pile ' s section changes gradually , there is no reflection waves in the pile
但对于截面渐变的桩中传播的纵波，不产生反射波。 |
| 4. | Examples for misjudgment in inspection of pile quality by using method of reflection wave with low strain
反射波法小应变桩身质量检测中易误判的几种实例 |
| 5. | Research and analysis of forward prediction technology using seismic reflection wave in tunnel and laneway in china
中国隧道及井巷地震波法超前探测技术研究分析 |
| 6. | According to the theory of generalized inversion , we can get the parameters of velocity and thickness in each layer with joint inversion of multilayer reflection wave ' s travel time
摘要从广义反演理论出发，对多层反射波的走时联合反演，可以同时获得所有的各层速度及厚度参数。 |
| 7. | Based on the propagation theory of the longitudinal wave in the pile , the present paper presents a technique for determining such parameters as back - and - forth time of reflection wave and apparent reflection coefficient
摘要本文以纵波在杆中传播的理论为根据，介绍一种用于确定反射波往返时及视反射系数等参数的方法。 |
| 8. | Analyze the feasibility of shallow seismic reflection wave method applied in exploration of high - dip coal mining - out area , and appraise the effect of the application in couple with specific engineering cases
摘要对在高倾角煤层采空区勘探中应用浅层地震反射波法的可行性进行了分析，并结合具体工程实例对应用效果进行了评价。 |
| 9. | Conventional seismic data processing method uses hyperbolic equation to describe time - distance formula of reflection wave , error of this equation increases with the increase of heterogeneity , anisotropy and spread length
常规地震资料处理方法是利用双曲线方程来描述反射波时距曲线规律，此方程随着地层非均质性、各向异性和排列长度的增加，其误差变大。 |
| 10. | As not to need linearization , its advantage is to take all the influence of reflection wave travel time in each layer to the whole crustal model into account , and consider the error distribution of observed data at the same time
其优点是在不需要把问题线性化过程的同时，统一考虑了各层反射波走时的离散对整个地壳模型的影响，又可兼顾观测数据的不同误差分布。 |
