Zobrazeno 1 - 10
of 207
pro vyhledávání: '"Xiufeng He"'
Publikováno v:
Satellite Navigation, Vol 4, Iss 1, Pp 1-15 (2023)
Abstract The Wide-Lane (WL) and Narrow-Lane (NL) Uncalibrated Phase Delays (UPDs) are the prerequisites in the traditional Precise Point Positioning (PPP) Ambiguity Resolution (AR). As the generation mechanism of various biases becomes more complex,
Externí odkaz:
https://doaj.org/article/c22d56b316a24aa187f239fee0fd20f8
Publikováno v:
Geodesy and Geodynamics, Vol 14, Iss 3, Pp 212-222 (2023)
The global bathymetry models are usually of low accuracy over the coastline of polar areas due to the harsh climatic environment and the complex topography. Satellite altimetric gravity data can be a supplement and plays a key role in bathymetry mode
Externí odkaz:
https://doaj.org/article/7e6d45996fbd4783a520b08ae50def58
Publikováno v:
Remote Sensing, Vol 16, Iss 2, p 365 (2024)
Long-distance water transfer is a critical engineering measure to rectify disparities in water resource distribution across regions. The effective operation and safety of such projects are paramount to their success, as localized issues can have casc
Externí odkaz:
https://doaj.org/article/7f4cbbc89a2941dba96b4a42402543fe
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-17 (2022)
Abstract Despite the extensive investigation on the stress and displacement distributions in tunnels, few have considered the influences of the damaged zone around a tunnel on the strength and stiffness parameters of the surrounding rock, including t
Externí odkaz:
https://doaj.org/article/b4f37bf8288241cf95d1a7a9d8e668dd
Publikováno v:
Remote Sensing, Vol 15, Iss 22, p 5406 (2023)
Selecting a representative optical deep-water area is crucial for accurate satellite-derived bathymetry (SDB) based on semi-theoretical and semi-empirical models. This study proposed a deep-water area selection method where potential areas were ident
Externí odkaz:
https://doaj.org/article/4a207c9998284d6582bac705620b9991
Publikováno v:
Remote Sensing, Vol 15, Iss 20, p 4901 (2023)
In this paper, we address some questions with respect to the Tianshan Mountains that are necessary for understanding the present deformation rate in this region. A series of thrust nappe structures are distributed on the north and south sides of the
Externí odkaz:
https://doaj.org/article/8f5b714979ea4ff6b9ec9c1203c4a97e
Publikováno v:
Natural Hazards Research, Vol 1, Iss 4, Pp 187-195 (2021)
With the influence of rapid urbanization, land subsidence in Nanchang has caused obvious surface cracks in urban roads. It is necessary to use effective deformation monitoring methods to grasp the current situation and causes of land subsidence in th
Externí odkaz:
https://doaj.org/article/730ce6114fa34f37a48678be69b18627
Publikováno v:
International Journal of Applied Earth Observations and Geoinformation, Vol 115, Iss , Pp 103082- (2022)
Earth observation technologies have great potential in the investigation, monitoring and assessment of various geohazards. Stacking is an efficient InSAR method for estimating deformation rates and helps in the generation and update of the geohazard
Externí odkaz:
https://doaj.org/article/b32ada5e2f59491387d4d384849a248c
Publikováno v:
Geodesy and Geodynamics, Vol 12, Iss 4, Pp 266-278 (2021)
Landslides are common hazards in reservoir areas and significantly affect dam operation and human lives. For the prevention and management of landslides, accurate assessment of the factors influencing their generation is essential. This study evaluat
Externí odkaz:
https://doaj.org/article/d5fca25b694d4be5a0f13b0f6443de8d
Publikováno v:
Remote Sensing, Vol 15, Iss 9, p 2246 (2023)
Coastal aquaculture monitoring is vital for sustainable offshore aquaculture management. However, the dense distribution and various sizes of aquacultures make it challenging to accurately extract the boundaries of aquaculture ponds. In this study, w
Externí odkaz:
https://doaj.org/article/9e43324ca4bb444383b74875a3499e14