Yunyu Ge
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View article: A Real-Time PPP Time Transfer Model with Tropospheric Delay Constraints Based on Galileo HAS for Improved Time Transfer Accuracy
A Real-Time PPP Time Transfer Model with Tropospheric Delay Constraints Based on Galileo HAS for Improved Time Transfer Accuracy Open
The Galileo navigation system offers a free High Accuracy Service (HAS) to global users via the E6 signal and the Internet, enabling the broad application of real-time precise point positioning (PPP) time transfer. However, tropospheric de…
View article: Refined real-time PPP-based timing via data fusion of meteorological models and Galileo HAS
Refined real-time PPP-based timing via data fusion of meteorological models and Galileo HAS Open
Galileo high accuracy service (HAS) via Galileo navigation signals has provided state space representation for GPS and Galileo since January 2023. Tropospheric delay remains a dominant error source in HAS-based real-time precise point posi…
View article: Spatial Characteristics of Multidimensional Urban Vitality and Its Impact Mechanisms by the Built Environment
Spatial Characteristics of Multidimensional Urban Vitality and Its Impact Mechanisms by the Built Environment Open
Urban vitality, intricately connected to urban morphology, has long been a cornerstone of urban planning and design. The accelerated pace of urbanization has created abundant living and working spaces, but it has also brought about a serie…
View article: Constructing Urban Agglomeration Ecological Networks to Reflect Biodiversity and Conservation Objectives
Constructing Urban Agglomeration Ecological Networks to Reflect Biodiversity and Conservation Objectives Open
Biodiversity plays a crucial role in the global ecosystem and is essential for the sustainable development of human society. Constructing scientifically ecological networks is the foundation of biodiversity conservation. While previous stu…
View article: Enhanced Photocatalytic Degradation of Polycyclic Aromatic Hydrocarbons (Pahs) in Biochar Using Nano-Tio2 Under Ultraviolet Light Irradiation: Effect and Mechanisms
Enhanced Photocatalytic Degradation of Polycyclic Aromatic Hydrocarbons (Pahs) in Biochar Using Nano-Tio2 Under Ultraviolet Light Irradiation: Effect and Mechanisms Open
View article: Area Threshold Interval of Urban Forest Patches Required to Maintain the Synergy between Biodiversity Conservation and Recreational Services: Case Study in Beijing, China
Area Threshold Interval of Urban Forest Patches Required to Maintain the Synergy between Biodiversity Conservation and Recreational Services: Case Study in Beijing, China Open
Promoting sustainable urban development is crucial in light of upcoming environmental change and population expansion. Urban forests play a key role in transporting ecosystem services to urban areas. They not only offer a crucial biologica…