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A New Azimuth-Dependent Elevation Weight (ADEW) Model for Real-Time Deformation Monitoring in Complex Environment by Multi-GNSS
文献类型：期刊论文
| 作者 | Han, Junqiang1; Huang, Guanwen1; Zhang, Qin1; Tu, Rui2; Du, Yuan1; Wang, Xiaolei1 |
| 刊名 | SENSORS
 |
| 出版日期 | 2018-08-01 |
| 卷号 | 18期号:8页码:16 |
| ISSN号 | 1424-8220 |
| 关键词 | GNSS ADEM ADEW monitoring azimuth elevation mask |
| DOI | 10.3390/s18082473 |
| 英文摘要 | Global navigation satellite systems (GNSS) have provided an excellent way to monitor micro-deformation in real-time. However, at local sites where landslides frequently occur, the environment can include complex surroundings with mountains, dense vegetation, and human settlements, which can severely degrade the accuracy of positioning with the GNSS technique. In this study, we propose an azimuth-dependent elevation weight (ADEW) model using an azimuth-dependent elevation mask (ADEM) to reduce the effects of multipath errors and improve the accuracy of real-time deformation monitoring in such environments. We developed an adaptive fixed-elevation mask to serve as the outlier of low precision observations at lower elevations for the ADEM, and then, we applied the weighted phase observations into the mitigation process for the effects of multipath errors. The real numerical results indicate that the ADEM model performs better than the conventional model, and the average improvements were 18.91% and 34.93% in the horizontal and vertical direction, respectively. The ADEW model further improved upon the ADEM model results by an additional 21.9% and 29.8% in the horizontal and vertical direction, respectively. Therefore, we propose that the ADEW model can significantly mitigate the effects of multipath errors and improve the accuracy of micro-deformation monitoring via GNSS receivers. |
| WOS关键词 | GPS ; MITIGATION ; PHASE ; MOTION ; SNR ; RESOLUTION ; SYSTEM |
| 资助项目 | National Natural Science Foundation of China[41731066] ; National Natural Science Foundation of China[41774025] ; National Natural Science Foundation of China[41504006] ; National Natural Science Foundation of China[41674034] ; National Key Research and Development Plan of China[2016YFB0501804] ; Program of the Grand Projects of the BeiDou-2 System[GFZX0301040308] ; National Natural Science Foundation of Shan Xi[2016JQ4011] ; Chinese Academy of Sciences (CAS) programs titled the Pioneer Hundred Talents and the Frontier Science Research Project[QYZDB-SSW-DQC028] ; Special Fund for Basic Scientific Research of Central Colleges (Chang'an University)[310826172006] ; Special Fund for Basic Scientific Research of Central Colleges (Chang'an University)[310826172202] ; Special Fund for Basic Scientific Research of Central Colleges (Chang'an University)[310826173101] |
| WOS研究方向 | Chemistry ; Electrochemistry ; Instruments & Instrumentation |
| 语种 | 英语 |
| 出版者 | MDPI |
| WOS记录号 | WOS:000445712400073 |
| 资助机构 | National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Research and Development Plan of China ; National Key Research and Development Plan of China ; Program of the Grand Projects of the BeiDou-2 System ; Program of the Grand Projects of the BeiDou-2 System ; National Natural Science Foundation of Shan Xi ; National Natural Science Foundation of Shan Xi ; Chinese Academy of Sciences (CAS) programs titled the Pioneer Hundred Talents and the Frontier Science Research Project ; Chinese Academy of Sciences (CAS) programs titled the Pioneer Hundred Talents and the Frontier Science Research Project ; Special Fund for Basic Scientific Research of Central Colleges (Chang'an University) ; Special Fund for Basic Scientific Research of Central Colleges (Chang'an University) ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Research and Development Plan of China ; National Key Research and Development Plan of China ; Program of the Grand Projects of the BeiDou-2 System ; Program of the Grand Projects of the BeiDou-2 System ; National Natural Science Foundation of Shan Xi ; National Natural Science Foundation of Shan Xi ; Chinese Academy of Sciences (CAS) programs titled the Pioneer Hundred Talents and the Frontier Science Research Project ; Chinese Academy of Sciences (CAS) programs titled the Pioneer Hundred Talents and the Frontier Science Research Project ; Special Fund for Basic Scientific Research of Central Colleges (Chang'an University) ; Special Fund for Basic Scientific Research of Central Colleges (Chang'an University) ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Research and Development Plan of China ; National Key Research and Development Plan of China ; Program of the Grand Projects of the BeiDou-2 System ; Program of the Grand Projects of the BeiDou-2 System ; National Natural Science Foundation of Shan Xi ; National Natural Science Foundation of Shan Xi ; Chinese Academy of Sciences (CAS) programs titled the Pioneer Hundred Talents and the Frontier Science Research Project ; Chinese Academy of Sciences (CAS) programs titled the Pioneer Hundred Talents and the Frontier Science Research Project ; Special Fund for Basic Scientific Research of Central Colleges (Chang'an University) ; Special Fund for Basic Scientific Research of Central Colleges (Chang'an University) ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Research and Development Plan of China ; National Key Research and Development Plan of China ; Program of the Grand Projects of the BeiDou-2 System ; Program of the Grand Projects of the BeiDou-2 System ; National Natural Science Foundation of Shan Xi ; National Natural Science Foundation of Shan Xi ; Chinese Academy of Sciences (CAS) programs titled the Pioneer Hundred Talents and the Frontier Science Research Project ; Chinese Academy of Sciences (CAS) programs titled the Pioneer Hundred Talents and the Frontier Science Research Project ; Special Fund for Basic Scientific Research of Central Colleges (Chang'an University) ; Special Fund for Basic Scientific Research of Central Colleges (Chang'an University) |
| 源URL | [http://210.72.145.45/handle/361003/11676]  |
| 专题 | 中国科学院国家授时中心 |
| 通讯作者 | Huang, Guanwen; Zhang, Qin |
| 作者单位 | 1.Changan Univ, Coll Geol Engn & Geomant, 126 Yanta Rd, Xian 710054, Shaanxi, Peoples R China 2.Chinese Acad Sci, Natl Time Serv Ctr, Shu Yuan Rd, Xian 710600, Shaanxi, Peoples R China |
| 推荐引用方式 GB/T 7714 | Han, Junqiang,Huang, Guanwen,Zhang, Qin,et al. A New Azimuth-Dependent Elevation Weight (ADEW) Model for Real-Time Deformation Monitoring in Complex Environment by Multi-GNSS[J]. SENSORS,2018,18(8):16. |
| APA | Han, Junqiang,Huang, Guanwen,Zhang, Qin,Tu, Rui,Du, Yuan,&Wang, Xiaolei.(2018).A New Azimuth-Dependent Elevation Weight (ADEW) Model for Real-Time Deformation Monitoring in Complex Environment by Multi-GNSS.SENSORS,18(8),16. |
| MLA | Han, Junqiang,et al."A New Azimuth-Dependent Elevation Weight (ADEW) Model for Real-Time Deformation Monitoring in Complex Environment by Multi-GNSS".SENSORS 18.8(2018):16. |
入库方式： OAI收割
来源：国家授时中心
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