| 1. | The resistivity contours appear much less diagnostic of anomalous bodies below the surface . 地面下方的异常体,在视电阻率等值线上并无明显的反映。 |
| 2. | Pilot study on seismic anomaly body and its geological characteristics in tarim basin 塔里木盆地地震反射异常体及其地质属性初探 |
| 3. | There each group in jurassic system is well developed , and there are two settlement - conglomeration centers of the period of quemocuo and xueshan 格拉丹东明显的重、磁异常显示在iokm下有高密度异常体,电阻率中等,无磁性。 |
| 4. | Aiming at the problem that the actually measured data for radio wave tunnels perspective method are not full and the inverse equation groups are undetermined , the image of geologic abnormal body was reconstructed by using tomography method 摘要针对巷道无线电波透视法实测数据不完整和反演方程组欠定这一问题,利用层析成像方法,重建了地质异常体图像。 |
| 5. | For this method , the matrix inversion and iterative reconstruction are selected based on the quantity and quality of data , and then the physical model and the actually measured data are processed by using this method 层析成像算法根据数据量大小、品质来选择矩阵反演法与迭代重建法,然后对物理模型、实测资料进行层析成像处理,结果获得满意的重建异常体图像。 |
| 6. | It shows excellent results to reveal the efficiency of the method , also prove the superior science research value of pgpr and give direction for consummating the apparatus next step 异常汽绕射波形得到有效的归位,异常体空间位置与实际测量的结果基本一致并且处理速度快,不仅表明了该方法的有效性,证明相控阵探地雷达技术具有一定研究价值,也为仪器的进一步完善提供了思路。 |
| 7. | Based on the digital simulation and model analysis , the anomaly characterization of apparent resistivity section obtained by the sounding at different positions , and the relationship between electrode space and exploration depth were summarized 根据理论模型的数值模拟结果,总结了地质异常体在不同观测方位巷道电测深视电阻率断面图上的异常特征及电极距与探测距离间的关系。 |
| 8. | The results show that the full - azimuth 3 - electrods electrical soundings can find out the geometrical shape and water content of the geological abnormal body , and make clear its hydrological relation with the main water containing layers 结果表明,采用巷道顶板、底板及侧帮电测深的全方位测深模式能够查明地质异常体的空间赋存形态、富水性以及与顶板或底板含水层是否存在水力联系等。 |
| 9. | The result shows that the electric property and position and occurrence of anomalous body , the resistivity of bed rock , can be obtained correctly however only the composite value of resistivity and thickness of anomalous body can be determined because of equivalence 反演结果可准确反映围岩电阻率、异常体的电性、位置和产状;而由于同层等值现象,反演结果只能确定异常体的厚度和电阻率的组合值。 |
| 10. | The result shows that the reconstructed geologic abnormal body image is satisfactory for it is good in stability and anti - jamming and has a high resolution , and the feature of abnormal body can also be reflected , indicating that this method is feasible to be used in radio wave perspective method in tunnels 层析成像具有稳定性好、抗干扰能力强、分辨力高等特点,具异常体的性质也有反映,说明,该项方法在巷道无线电波透视中是可行的。 |