星载GNSS⁃ R 反演土壤湿度研究进展与思考

张双成, 郭沁雨, 马中民, 刘奇, 胡胜伟… - 武汉大学学报(信息 …, 2024 - ch.whu.edu.cn
土壤湿度作为陆地水循环中最为活跃的部分, 在陆面水分的形成, 转化和消耗过程中扮演重要
角色, 同时它也是影响水文过程, 植被状态及气候条件的关键参数. 传统的直接测量法耗时耗力 …

Research Advances and Some Thoughts on Soil Moisture Retrieval by Space-Borne GNSS-R

S ZHANG, Q GUO, Z MA, Q LIU, S HU… - … Information Science of …, 2024 - ch.whu.edu.cn
As the most dynamic component of terrestrial water cycling, soil moisture plays a pivotal role
in the formation, transformation, and consumption of surface water. Simultaneously, it serves …

Analysis of CYGNSS coherent reflectivity over land for the characterization of pan-tropical inundation dynamics

P Zeiger, F Frappart, J Darrozes, C Prigent… - Remote Sensing of …, 2022 - Elsevier
The monitoring of flood and wetland dynamics at global scale is hampered by several
limitations, including a reduced data availability in tropical areas due to the presence of …

Distortionless 1/2 overlap windowing in frequency domain anti-jamming of satellite navigation receivers

Z Lu, J Song, L Huang, C Ren, Z Xiao, B Li - Remote Sensing, 2022 - mdpi.com
Frequency-domain anti-jamming technology is a common anti-jamming method for satellite
navigation receivers. 1/2 overlapping windowing can effectively solve the spectrum leakage …

Comparison of GNSS-R coherent reflection detection algorithms using simulated and measured CYGNSS data

E Loria, IM Russo, Y Wang… - … on Geoscience and …, 2023 - ieeexplore.ieee.org
When global navigation satellite system (GNSS) signals reflect off of the surfaces of lakes,
rivers, wetlands, and other inland water bodies, the surfaces are often sufficiently smooth to …

[HTML][HTML] Weekly mapping of surface water extent in the intertropical wetlands using spaceborne GNSS reflectometry

P Zeiger, F Frappart, J Darrozes, C Prigent… - Journal of …, 2023 - Elsevier
As of today, the uncertain distribution and dynamics of inundations in the tropical wetlands
cause large uncertainties in the quantification of the world's methane emissions. Long-term …

Mapping surface water extents using high-rate coherent spaceborne GNSS-R measurements

J Zhang, YJ Morton, Y Wang… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Coherent global navigation satellite system (GNSS) reflections over land predominantly
occur over surface water bodies. This study presents a method to jointly use carrier phases …

POBI interpolation algorithm for CYGNSS near real time flood detection research: A case study of extreme precipitation events in Henan, China in 2021

S Zhang, Z Ma, Q Liu, S Hu, Y Feng, H Zhao… - Advances in Space …, 2023 - Elsevier
In late 2016, NASA launched the first constellation of the global navigation satellite system
reflectometry (GNSS-R) small satellites called the Cyclone Global Navigation Satellite …

Gulf of Mexico loop-current signature observed from GNSS-R phase altimetry based on spire global CubeSat data

CJ Roesler, YJ Morton… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Global Navigation Satellite System (GNSS) coherent ocean reflections collected at grazing
angles by Spire Global's CubeSats are explored to retrieve sea-level anomalies (SLAs) over …

Using CYGNSS and L-band Radiometer Observations to Retrieve Surface Water Fraction: A Case Study of the Catastrophic Flood of 2022 in Pakistan

Z Ma, S Zhang, Q Liu, Y Feng, Q Guo… - … on Geoscience and …, 2024 - ieeexplore.ieee.org
Spaceborne global navigation satellite system reflectometry (GNSS-R) has shown potential
for terrestrial applications. The feasibility of monitoring and mapping surface inundation …