Zobrazeno 1 - 10
of 4 768
pro vyhledávání: '"phase unwrapping"'
Autor:
Yin, Wei1,2,3, Chen, Qian1,2 chenqian@njust.edu.cn, Feng, Shijie1,2,3, Tao, Tianyang1,2,3, Huang, Lei4, Trusiak, Maciej5, Asundi, Anand6, Zuo, Chao1,2,3 zuochao@njust.edu.cn
Publikováno v:
Scientific Reports. 12/27/2019, Vol. 9 Issue 1, p1-12. 12p.
Publikováno v:
International Journal of Applied Earth Observations and Geoinformation, Vol 131, Iss , Pp 103975- (2024)
Terrain displacement due to the seasonal thaw of the active layer above permafrost can be sensitive to climate change; however, its accurate characterization remains a challenge. This study aimed to improve the measurement of the subsidence or vertic
Externí odkaz:
https://doaj.org/article/93086852a32e4e73823e6b1921fb2a43
Autor:
Zegang DING, Tao SUN, Zhen WANG, Jian ZHAO, Yipeng SHI, Haolong CHEN, Zhizhou CHEN, Yan WANG, Tao ZENG
Publikováno v:
Leida xuebao, Vol 13, Iss 1, Pp 97-115 (2024)
Interferometric Synthetic Aperture Radar (InSAR) enables the efficient retrieval of surface elevation and has extensive applications in terrain mapping. Dual/multi-channel InSAR techniques utilize the differences in the elevation ambiguity of differe
Externí odkaz:
https://doaj.org/article/eb91b097c78c430aa1806521e60ee47e
Publikováno v:
IEEE Access, Vol 12, Pp 170451-170458 (2024)
In this paper, we propose a novel method for dynamic positioning using a single passive RFID tag to obtain its position through phase. This method addresses the phase integer ambiguity by introducing a robust phase unwrapping algorithm, solves the in
Externí odkaz:
https://doaj.org/article/076ce68cfd32489bb3835932fc69c299
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 20304-20314 (2024)
The interferometric synthetic aperture radar (InSAR) is able to reconstruct the Earth's surface topography with a meter-level accuracy when two-dimensional phase unwrapping (PU) is properly implemented. The two-stage programming approach (TSPA) can c
Externí odkaz:
https://doaj.org/article/0ee5a0e7f12f4106a2f2db44a499ddde
Autor:
Baohang Wang, Wenhong Li, Chaoying Zhao, Qin Zhang, Guangrong Li, Xiaojie Liu, Bojie Yan, Xiaohe Cai, Jianxia Zhang, Shouzhu Zheng
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 18926-18938 (2024)
Interferometric fringes containing noise with complex distributions significantly contribute to phase unwrapping (PhU) failures in synthetic aperture radar interferometry (InSAR) technology. The study proposes an L2-Norm Quasi 3-D PhU-assisted multit
Externí odkaz:
https://doaj.org/article/065100d9f1cf431ca521971a4a9dea52
Autor:
Dingyi Zhou, Zhifang Zhao
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 954-968 (2024)
Interferometry synthetic aperture radar (InSAR) is essential for monitoring surface deformation and geological hazards. InSAR applications in complex mountainous regions are challenging due to high noise levels and large phase gradient variations, wh
Externí odkaz:
https://doaj.org/article/24a8ea7553dc4d899890dfb9b1f86643
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 2690-2704 (2024)
Phase unwrapping (PU) is a critical processing step for obtaining information on land surface deformation from interferometric synthetic aperture radar (InSAR) images. Traditional PU methods take the phase continuity assumption as the precondition. H
Externí odkaz:
https://doaj.org/article/2a2b1c7eed894367be007a17771ef071
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 9309-9323 (2024)
Phase unwrapping (PU) is one of the core procedures of interferometric synthetic aperture radar. The traditional PU methods estimate the absolute phase gradient based on the assumption that phase is spatially continuous. However, this assumption is o
Externí odkaz:
https://doaj.org/article/a97b8fad009146f7909b71b922f0f60f