Xiufeng He
YOU?
Author Swipe
View article: Doppler-enhanced FMCW LiDAR odometry based on linear continuous-time representation
Doppler-enhanced FMCW LiDAR odometry based on linear continuous-time representation Open
LiDAR-based simultaneous localization and mapping (SLAM) plays a crucial role in applications such as search and rescue, infrastructure inspection, and underground exploration. However, conventional LiDAR-based methods often exhibit signif…
View article: Decadal Earth observation-informed analysis of urban riverbank deformation: InSAR insights into soft ground dynamics in Nanjing, China
Decadal Earth observation-informed analysis of urban riverbank deformation: InSAR insights into soft ground dynamics in Nanjing, China Open
The rapid urbanization of urban riverbank soft ground poses significant geotechnical challenges, particularly in densely populated coastal areas like the Yangtze River Delta. This study employs an enhanced multi-temporal Interferometric Sy…
View article: Slip rates and seismic moment deficits on main active faults in Tianshan constrained by GNSS network
Slip rates and seismic moment deficits on main active faults in Tianshan constrained by GNSS network Open
SUMMARY Tianshan Mountains in Central Asia are one of the largest and most active orogenic belts in the world, characterized by complex structures and strong seismic activity. In this paper, we use recently updated Global Navigation Satell…
View article: HHU24SWDSCS: a shallow-water depth model over island areas in the South China Sea retrieved from satellite-derived bathymetry
HHU24SWDSCS: a shallow-water depth model over island areas in the South China Sea retrieved from satellite-derived bathymetry Open
Accurate shallow-water depth information for island areas is crucial for maritime safety, resource exploration, ecological conservation, and offshore economic activity. Traditional approaches such as shipborne sounding and airborne bathyme…
View article: Study on ultra short baseline positioning system based on improved quad array and extended Kalman filter
Study on ultra short baseline positioning system based on improved quad array and extended Kalman filter Open
Ultra-short baseline equipment has been widely used in underwater positioning because of its small size and flexible use. In order to eliminate the phase ambiguity in the long distance measurement of ultra-short baseline system, an improve…
View article: SWOT-Based Intertidal Digital Elevation Model Extraction and Spatiotemporal Variation Assessment
SWOT-Based Intertidal Digital Elevation Model Extraction and Spatiotemporal Variation Assessment Open
Traditional methods for the construction of intertidal digital elevation models (DEMs) require the integration of long-term multi-sensor datasets and struggle to capture the spatiotemporal variation caused by ocean dynamics. The SWOT (surf…
View article: Accuracy Assessment of Ocean Tide Models in the Eastern China Marginal Seas Using Tide Gauge and GPS Data
Accuracy Assessment of Ocean Tide Models in the Eastern China Marginal Seas Using Tide Gauge and GPS Data Open
Accurate ocean tide models are required to remove tidal loading effects in geophysical research. Beyond a mere intercomparison, the accuracy of eight modern global models (DTU10, EOT20, FES2014b, FES2022b, GOT4.10c, HAMTIDE11a, OSU12, TPXO…
View article: Evaluating the Signal Contribution of the DTU21MSS on Coastal Mean Dynamic Topography and Geostrophic Current Modeling: A Case Study in the African–European Region
Evaluating the Signal Contribution of the DTU21MSS on Coastal Mean Dynamic Topography and Geostrophic Current Modeling: A Case Study in the African–European Region Open
With the accumulation of synthetic aperture radar (SAR) altimetry data and advancements in retracking algorithms, the improved along-track spatial resolution and signal-to-noise ratio have significantly enhanced the availability and precis…
View article: HHU24SWDSCS: A shallow-water depth model over island areas in South China Sea retrieved from Satellite-derived bathymetry
HHU24SWDSCS: A shallow-water depth model over island areas in South China Sea retrieved from Satellite-derived bathymetry Open
Accurate shallow-water depth information for island areas is crucial for maritime safety, resource exploration, ecological conservation, and offshore economic activity. Traditional approaches like shipborne sounding and airborne bathymetri…
View article: A regional approach for high-resolution gravity anomaly recovery from full airborne gravity gradient tensor
A regional approach for high-resolution gravity anomaly recovery from full airborne gravity gradient tensor Open
SUMMARY A regional approach is developed for high-resolution gravity anomaly recovery from the full airborne gravity gradient tensor (GGT) based on the radial basis function (RBF) technique. The analytical expressions that link the full GG…
View article: Measuring Dam Deformation of Long-Distance Water Transfer Using Multi-Temporal Synthetic Aperture Radar Interferometry: A Case Study in South-to-North Water Diversion Project, China
Measuring Dam Deformation of Long-Distance Water Transfer Using Multi-Temporal Synthetic Aperture Radar Interferometry: A Case Study in South-to-North Water Diversion Project, China Open
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 ca…
View article: Global dryland aridity changes indicated by atmospheric, hydrological, and vegetation observations at meteorological stations
Global dryland aridity changes indicated by atmospheric, hydrological, and vegetation observations at meteorological stations Open
In the context of global warming, an increase in atmospheric aridity and global dryland expansion under the future climate has been expected in previous studies. However, this conflicts with observed greening over drylands and the insignif…
View article: Methods to Improve the Accuracy and Robustness of Satellite-Derived Bathymetry through Processing of Optically Deep Waters
Methods to Improve the Accuracy and Robustness of Satellite-Derived Bathymetry through Processing of Optically Deep Waters Open
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…
View article: Large-Scale Crustal Deformation of the Tianshan Mountains, Xinjiang, from Sentinel-1 InSAR Observations (2015–2020)
Large-Scale Crustal Deformation of the Tianshan Mountains, Xinjiang, from Sentinel-1 InSAR Observations (2015–2020) Open
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 si…
View article: Global dryland aridity changes indicated by atmospheric, hydrological, and vegetation observations at meteorological stations
Global dryland aridity changes indicated by atmospheric, hydrological, and vegetation observations at meteorological stations Open
In the context of global warming, an increase in atmospheric aridity and global dryland expansion were expected under the future climate in previous studies. However, it conflicts with observed greening over drylands and the insignificant …
View article: Coastal Aquaculture Extraction Using GF-3 Fully Polarimetric SAR Imagery: A Framework Integrating UNet++ with Marker-Controlled Watershed Segmentation
Coastal Aquaculture Extraction Using GF-3 Fully Polarimetric SAR Imagery: A Framework Integrating UNet++ with Marker-Controlled Watershed Segmentation Open
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 th…
View article: Coastal Aquaculture mapping using a novel combination model of GF-3 Fully Polarimetric SAR Imagery: A case study of Yancheng coastal wetland, China
Coastal Aquaculture mapping using a novel combination model of GF-3 Fully Polarimetric SAR Imagery: A case study of Yancheng coastal wetland, China Open
Coastal aquaculture has become one of the main sources of animal protein and plays an important role in food and nutrition supplies and security around the world. Accurately mapping aquaculture areas is the basis for its sustainable manage…
View article: Comprehensive Assessment of BDS-2 and BDS-3 Precise Orbits Based on B1I/B3I and B1C/B2a Frequencies from iGMAS
Comprehensive Assessment of BDS-2 and BDS-3 Precise Orbits Based on B1I/B3I and B1C/B2a Frequencies from iGMAS Open
The BeiDou Global Navigation Satellite System (BDS), including the second generation (BDS-2) and the third generation (BDS-3), has been widely used in areas of positioning, navigation, and timing (PNT). One of the essential prerequisites f…
View article: InSAR stacking with atmospheric correction for rapid geohazard detection: Applications to ground subsidence and landslides in China
InSAR stacking with atmospheric correction for rapid geohazard detection: Applications to ground subsidence and landslides in China Open
View article: Comparison of Mean Dynamic Topography Modeling from Multivariate Objective Analysis and Rigorous Least Squares Method
Comparison of Mean Dynamic Topography Modeling from Multivariate Objective Analysis and Rigorous Least Squares Method Open
Filtering methods are usually used to combine the mean sea surface (MSS) and geoid (computable by global geopotential model (GGM)) into a common subspace, to model mean dynamic topography (MDT), which may lead to signal leakage and distort…
View article: Application of Gaofen-6 Images in the Downscaling of Land Surface Temperatures
Application of Gaofen-6 Images in the Downscaling of Land Surface Temperatures Open
The coarse resolution of land surface temperatures (LSTs) retrieved from thermal-infrared (TIR) satellite images restricts their usage. One way to improve the resolution of such LSTs is downscaling using high-resolution remote sensing imag…
View article: Investigation on Geometry Computation of Spaceborne GNSS-R Altimetry over Topography: Modeling and Validation
Investigation on Geometry Computation of Spaceborne GNSS-R Altimetry over Topography: Modeling and Validation Open
The spaceborne Global Navigation Satellite Systems Reflectometry (GNSS-R) offers versatile Earth surface observation. While the accuracy of the computed geometry, required for the implementation of the technique, degrades when Earth’s surf…
View article: Numerical solution for circular tunnel excavated in strain-softening rock masses considering damaged zone
Numerical solution for circular tunnel excavated in strain-softening rock masses considering damaged zone Open
View article: Spectrally Consistent Mean Dynamic Topography by Combining Mean Sea Surface and Global Geopotential Model Through a Least Squares-Based Approach
Spectrally Consistent Mean Dynamic Topography by Combining Mean Sea Surface and Global Geopotential Model Through a Least Squares-Based Approach Open
The filtering procedure is usually mandatory for modeling mean dynamic topography (MDT) when a geodetic approach based on the Mean Sea Surface (MSS) and the Global Geopotential Model (GGM) is used. This is due to the inconsistent spectral …
View article: New insights into the 2020 Sardoba dam failure in Uzbekistan from Earth observation
New insights into the 2020 Sardoba dam failure in Uzbekistan from Earth observation Open
On 1 May 2020, the Sardoba Reservoir in Uzbekistan breached its western wall, and the uncontrolled release of water caused casualties, environmental damages and economic losses. We investigate the dam failure based on three sets of Earth o…
View article: Local Enhancement of Marine Gravity Field over the Spratly Islands by Combining Satellite SAR Altimeter-Derived Gravity Data
Local Enhancement of Marine Gravity Field over the Spratly Islands by Combining Satellite SAR Altimeter-Derived Gravity Data Open
The marine gravity field recovery close to land/island is challenging owing to the scarcity of measured gravimetric observations and sorely contaminated satellite radar altimeter-derived data. The satellite missions that carried the synthe…
View article: Coastal Mean Dynamic Topography Recovery Based on Multivariate Objective Analysis by Combining Data from Synthetic Aperture Radar Altimeter
Coastal Mean Dynamic Topography Recovery Based on Multivariate Objective Analysis by Combining Data from Synthetic Aperture Radar Altimeter Open
MDT recovery over coastal regions is challenging, as the mean sea surface (MSS) and geoid/quasi-geoid models are of low quality. The altimetry satellites equipped with the synthetic aperture radar (SAR) altimeters provide more accurate sea…
View article: A novel partitioned matrix‐based parameter update method embedded in variational Bayesian for underwater positioning
A novel partitioned matrix‐based parameter update method embedded in variational Bayesian for underwater positioning Open
In order to meet the requirements of the high‐precision positioning for the autonomous underwater vehicles (AUVs) in the complex and time‐varying marine environments, a novel partitioned matrix‐based parameter update method embedded in var…
View article: Rock mass structural surface trace extraction based on transfer learning
Rock mass structural surface trace extraction based on transfer learning Open
To solve engineering geological problems, including water conservancy, transportation, and mining, it is necessary to obtain information on rock mass structures, such as slopes, foundation pits, and tunnels, in time. The traditional method…
View article: A Proposed Algorithm to Compute the Stress-Strain Plastic Region and Displacement of a Deep-Lying Tunnel Considering Intermediate Stress and Strain-Softening Behavior
A Proposed Algorithm to Compute the Stress-Strain Plastic Region and Displacement of a Deep-Lying Tunnel Considering Intermediate Stress and Strain-Softening Behavior Open
Past studies on deep-lying tunnels under the assumption of plane strain have generally neglected the influence of intermediate principal stress even though this affects the surrounding rocks in the plastic zone. This study proposes a finit…