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| 1 | 基于地基干涉雷达成像的安家岭矿边坡变形预警显示文摘露天矿区边坡比较长,而且暴露岩石多,地质条件差异大,自上而下的形成过程导致上下边坡的服务年限存在差异,稳定性要求不同,井下开采活动致使稳定性也在不断发生变化且受多种因素的影响,边坡产生变形事故时有发生.为避免天气以及开采等因素引起的边坡变形对矿区造成人员伤亡和财产损失,因此对边坡变形的实时监测显得尤其重要.传统的监测边坡变形手段效率低,危险系数大,而地基干涉雷达无需接近观测目标,可进行实时监测.文中基于地基干涉雷达对安家岭露天矿边坡变形的监测,对边坡变形情况进行研究.通过对安家岭矿北帮三个工作面进行的地基雷达监测,获得了1330、1360和1390平盘的累积形变值和形变速度,了解边坡变形程度并根据变形预警等级为矿区生产可能出现的危险作出预警,对保障露天矿安全生产具有重要意义. | 葛山峰 邓增兵 王燕涛 杨晓伟 | 2019 | 矿山测量2019，47，6： | 2 |
| 2 | 基于地基干涉雷达成像的露天矿边坡变形成因显示文摘基于地基干涉雷达对安家岭露天矿边坡变形成像,总结边坡变形主要形成条件、成因和破坏模式,研究了变形成因与地基干涉雷达图像表现形式之间的关系,并通过露天矿实例阐释了地基干涉雷达图像成像机理,证明了地基干涉雷达监测露天矿边坡变形的有效性。 | 葛山峰 李生龙 | 2019 | 露天采矿技术2019，34，5： | 0 |
| 3 | A DEM fusion method for ascending and descending orbit StereoSAR DEMs in complicated mountain areas considering SAR echo intensity显示文摘To extract the high-quality DEM in complicated mountain areas,a DEM fusion method for ascending and descending orbit StereoSAR DEMs considering Synthetic Aperture Radar(SAR)echo intensity is proposed.After the analysis for the influence of terrain features and SAR side-looking imaging characteristics on radar echo intensity and DEM accuracy,four Terras AR-X images with the stripmap mode and the 3 m spatial resolution covering a certain area of Maoxian County,Sichuan Province,China,was selected as the experimental area.StereoSAR technology was used to extract the ascending orbit StereoSAR DEM and the descending orbit StereoSAR DEM,respectively,and the corresponding radar echo intensity map was calculated.Then,while comparing the radar echo intensity corresponding to the same point position,DEM fusion was carried out,and the accuracy of DEM before and after the fusion was analyzed with the ground points measured by GNSS-RTK as reference data.Finally,a high-quality DEM with a 3 m spatial resolution in the experimental area was obtained.The DEM accuracy was improved on all slopes,and the mean absolute deviation(MAD)improved to 4.798 m,the standard deviation(SD)improved to 6.087 m and the LE90 improved to 40.48 m.The experimental results indicate that the fusion method of highresolution ascending and descending orbit StereoSAR DEMs considering SAR echo intensity can effectively extract DEM with high accuracy and reliability,which can provide technical support for obtaining highquality terrain information in similar areas. | CAI Guo-lin SHEN Dong ZHANG Ao-li YU Hai-hua ZHANG Xuan-yu | 2021 | Journal of Mountain Science2021，18，1： | 0 |
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