Results 41 to 50 of about 1,430 (223)
Detecting Targets above the Earth's Surface Using GNSS-R Delay Doppler Maps: Results from TDS-1 [PDF]
, 2019 : Global Navigation Satellite System (GNSS) reflected signals can be used to remotely sense the Earth’s surface, known as GNSS reflectometry (GNSS-R). The GNSS-R technique has been applied to numerous areas, such as the retrieval of wind speed, and the
Benson, Craig +5 more
core +2 more sources
Deep Learning-Based Soil Moisture Retrieval in CONUS Using CYGNSS Delay–Doppler Maps
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2022 National Aeronautics and Space Administration's Cyclone Global Navigation Satellite System (CYGNSS) mission has gained significant attention within the land remote sensing community for estimating soil moisture (SM) by using the Global Navigation ...
M M Nabi +3 more
doaj +1 more source
First results of a GNSS-R experiment from a stratospheric balloon over boreal forests [PDF]
, 2015 The empirical results of a global navigation satellite systems reflectometry (GNSS-R) experiment onboard the Balloon EXperiments for University Students (BEXUS) 17 stratospheric balloon performed north of Sweden over boreal forests show that the power of
Camps Carmona, Adriano José +3 more
core +2 more sources
Improved GPS-Based Single-Frequency Orbit Determination for the CYGNSS Spacecraft Using GipsyX
Navigation, 2023 This paper presents methods for the precise orbit determination (POD) of a satellite in the CYGNSS constellation based on available single-frequency GPS code and carrier measurements. The contributions include the development and evaluation of procedures
Alex V. Conrad +4 more
doaj +1 more source
Can GNSS reflectometry detect precipitation over oceans? [PDF]
, 2018 For the first time, a rain signature in Global Navigation Satellite System Reflectometry (GNSS‐R) observations is demonstrated. Based on the argument that the forward quasi‐specular scattering relies upon surface gravity waves with lengths larger than ...
Asgarimehr, Milad +3 more
core +1 more source
Exploring CYGNSS mission for surface heat flux estimates and analysis over tropical oceans
Frontiers in Marine Science, 2022 The Cyclone Global Navigation Satellite System (CYGNSS) mission can measure sea surface wind over tropical oceans with unprecedented temporal resolution and spatial coverage, so as to estimate surface latent and sensible heat fluxes (LHF and SHF).
Xiaohui Li +6 more
doaj +1 more source
Remote Sensing, 2020 Global Navigation Satellite Systems-Reflectometry (GNSS-R) has shown unprecedented advantages to sense Soil Moisture Content (SMC) with high spatial and temporal coverage, low cost, and under all-weather conditions.
Andres Calabia +2 more
doaj +1 more source
Remote Sensing, 2023 The retrieval of soil moisture (SM) using the Global Navigation Satellite System-Reflectometry (GNSS-R) technique has become a prominent topic in recent years.
Qidi Luo +7 more
doaj +1 more source
Remote Sensing, 2023 Spaceborne GNSS-R technology is a new remote sensing method for soil moisture monitoring. Focusing on the significant influence of water on the surface reflectivity of CYGNSS, this paper improved the removal method of water influence according to the ...
Qi Wang +5 more
doaj +1 more source
Monitoring Flood Inundation Dynamics From Space
Reviews of Geophysics, Volume 64, Issue 1, March 2026.Abstract With the increasing intensity and frequency of flood events worldwide, the need for accurate and timely inundation mapping has never been more critical. Large‐scale flood extent estimations are vital for coordinating effective disaster response, facilitating recovery, and building future resilience.
C. Campo +5 more
wiley +1 more source