An InSAR Deformation Phase Retrieval Method Combined with Reference Phase in Mining Areas
The acquisition of precise deformation data, including the entirety of the subsidence basin resulting from subterranean mining operations, assumes critical significance in the context of surface impairment monitoring during the course of mining activities. In light of the constraints associated with...
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| Jezik: | English |
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MDPI AG
2023-09-01
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| Serija: | Remote Sensing |
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| Online pristup: | https://www.mdpi.com/2072-4292/15/18/4573 |
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| author | Zhihong Wang Huayang Dai Yueguan Yan Jintong Ren Yanjun Zhang Jibo Liu |
| author_facet | Zhihong Wang Huayang Dai Yueguan Yan Jintong Ren Yanjun Zhang Jibo Liu |
| author_sort | Zhihong Wang |
| collection | DOAJ |
| description | The acquisition of precise deformation data, including the entirety of the subsidence basin resulting from subterranean mining operations, assumes critical significance in the context of surface impairment monitoring during the course of mining activities. In light of the constraints associated with InSAR technology when applied to the surveillance of expansive deformation gradient mining regions, an innovative approach is advanced herein for InSAR deformation phase retrieval. This approach integrates a reference phase, derivable through a variety of means, including pre-existing models or measurements. Initially, the reference deformation phase is subjected to subtraction from the wrapped InSAR deformation phase, culminating in the derivation of the wrapped phase indicative of the residual phase. Notably, it is posited that the fringe density characterizing the wrapped phase of the residual phase is theoretically diminished in comparison to that of the InSAR wrapped phase. This reduction in complexity in phase unwrapping ensues as a direct consequence. Subsequent to this, the phase retrieval process is effectuated through the summation of the reference phase and the unwrapped phase pertaining to the residual phase. The study harnesses Sentinel-1A and ALOS PALSAR-2 data, employing the PIM-predicted outcomes and GNSS-RTK monitoring outcomes as reference phases for the execution of phase retrieval experiments in two designated study areas. The computation of subsidence is subsequently realized through the combination of the displacement vector depression angle model and the retrieved phase, with the accuracy thereof corroborated through the utilization of leveling data. The experimental findings underscore the efficacy of the reference phase retrieval methodology in securing a more precise deformation phase characterization within expansive deformation gradient mining regions, thereby demonstrating the suitability of this methodological approach. |
| first_indexed | 2024-03-10T22:05:29Z |
| format | Article |
| id | doaj.art-797fe9a9fd0b45dbaa1beea030697029 |
| institution | Directory Open Access Journal |
| issn | 2072-4292 |
| language | English |
| last_indexed | 2024-03-10T22:05:29Z |
| publishDate | 2023-09-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Remote Sensing |
| spelling | doaj.art-797fe9a9fd0b45dbaa1beea0306970292023-11-19T12:49:38ZengMDPI AGRemote Sensing2072-42922023-09-011518457310.3390/rs15184573An InSAR Deformation Phase Retrieval Method Combined with Reference Phase in Mining AreasZhihong Wang0Huayang Dai1Yueguan Yan2Jintong Ren3Yanjun Zhang4Jibo Liu5College of GeoScience and Surveying Engineering, China University of Mining and Technology (Beijing), Beijing 100083, ChinaCollege of GeoScience and Surveying Engineering, China University of Mining and Technology (Beijing), Beijing 100083, ChinaCollege of GeoScience and Surveying Engineering, China University of Mining and Technology (Beijing), Beijing 100083, ChinaSchool of Mining Engineering, Guizhou University of Engineering Science, Bijie 551700, ChinaCollege of GeoScience and Surveying Engineering, China University of Mining and Technology (Beijing), Beijing 100083, ChinaSchool of Mining Engineering, Guizhou University of Engineering Science, Bijie 551700, ChinaThe acquisition of precise deformation data, including the entirety of the subsidence basin resulting from subterranean mining operations, assumes critical significance in the context of surface impairment monitoring during the course of mining activities. In light of the constraints associated with InSAR technology when applied to the surveillance of expansive deformation gradient mining regions, an innovative approach is advanced herein for InSAR deformation phase retrieval. This approach integrates a reference phase, derivable through a variety of means, including pre-existing models or measurements. Initially, the reference deformation phase is subjected to subtraction from the wrapped InSAR deformation phase, culminating in the derivation of the wrapped phase indicative of the residual phase. Notably, it is posited that the fringe density characterizing the wrapped phase of the residual phase is theoretically diminished in comparison to that of the InSAR wrapped phase. This reduction in complexity in phase unwrapping ensues as a direct consequence. Subsequent to this, the phase retrieval process is effectuated through the summation of the reference phase and the unwrapped phase pertaining to the residual phase. The study harnesses Sentinel-1A and ALOS PALSAR-2 data, employing the PIM-predicted outcomes and GNSS-RTK monitoring outcomes as reference phases for the execution of phase retrieval experiments in two designated study areas. The computation of subsidence is subsequently realized through the combination of the displacement vector depression angle model and the retrieved phase, with the accuracy thereof corroborated through the utilization of leveling data. The experimental findings underscore the efficacy of the reference phase retrieval methodology in securing a more precise deformation phase characterization within expansive deformation gradient mining regions, thereby demonstrating the suitability of this methodological approach.https://www.mdpi.com/2072-4292/15/18/4573the reference phase retrieval methodInSARGNSS-RTKPIMmining subsidence |
| spellingShingle | Zhihong Wang Huayang Dai Yueguan Yan Jintong Ren Yanjun Zhang Jibo Liu An InSAR Deformation Phase Retrieval Method Combined with Reference Phase in Mining Areas Remote Sensing the reference phase retrieval method InSAR GNSS-RTK PIM mining subsidence |
| title | An InSAR Deformation Phase Retrieval Method Combined with Reference Phase in Mining Areas |
| title_full | An InSAR Deformation Phase Retrieval Method Combined with Reference Phase in Mining Areas |
| title_fullStr | An InSAR Deformation Phase Retrieval Method Combined with Reference Phase in Mining Areas |
| title_full_unstemmed | An InSAR Deformation Phase Retrieval Method Combined with Reference Phase in Mining Areas |
| title_short | An InSAR Deformation Phase Retrieval Method Combined with Reference Phase in Mining Areas |
| title_sort | insar deformation phase retrieval method combined with reference phase in mining areas |
| topic | the reference phase retrieval method InSAR GNSS-RTK PIM mining subsidence |
| url | https://www.mdpi.com/2072-4292/15/18/4573 |
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