Results 21 to 30 of about 723 (178)

A Software-Defined GNSS Reflectometry Recording Receiver with Wide-Bandwidth, Multi-Band Capability and Digital Beam-Forming

open access: yesRemote Sensing, 2017
In this paper, we present the Software PARIS Interferometric Receiver (SPIR), a high-speed GNSS reflectometry recording receiver which has been designed and implemented with the primary goal of demonstrating the synoptic capabilities of the ...
Serni Ribó   +7 more
doaj   +1 more source

An Innovative Signal Processing Scheme for Spaceborne Integrated GNSS Remote Sensors

open access: yesRemote Sensing, 2023
The vigorous development of the global navigation satellite system (GNSS) has led to a boom in GNSS radio occultation (GNSS RO) and GNSS reflectometry (GNSS-R) techniques.
Tongsheng Qiu   +12 more
doaj   +1 more source

SNR and Standard Deviation of cGNSS-R and iGNSS-R Scatterometric Measurements

open access: yesSensors, 2017
This work addresses the accuracy of the Global Navigation Satellite Systems (GNSS)-Reflectometry (GNSS-R) scatterometric measurements considering the presence of both coherent and incoherent scattered components, for both conventional GNSS-R (cGNSS-R ...
Alberto Alonso-Arroyo   +7 more
doaj   +1 more source

Generic Performance Simulator of Spaceborne GNSS-Reflectometer for Land Applications

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2020
Nowadays, the space missions employing the global navigation satellite system reflectometry (GNSS-R) are UK TDS-1, NASA CYGNSS, and the Chinese BuFeng-1A/B twin satellites, part of the first Chinese global navigation satellite system reflectometry (GNSS ...
Hyuk Park   +3 more
doaj   +1 more source

Deformation Estimation Using Beidou GEO-Satellite-Based Reflectometry

open access: yesRemote Sensing, 2021
Deformation monitoring has been brought to the fore and extensively studied in recent years. Global Navigation Satellite System Reflectometry (GNSS-R) techniques have so far been developed in deformation estimation applications, which however, are ...
Yongqian Chen, Songhua Yan, Jianya Gong
doaj   +1 more source

SEA SURFACE ALTIMETRY BASED ON AIRBORNE GNSS SIGNAL MEASUREMENTS [PDF]

open access: yesISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2012
In this study the focus is on ocean surface altimetry using the signals transmitted from GNSS (Global Navigation Satellite System) satellites. A low-altitude airborne experiment was recently conducted off the coast of Sydney.
K. Yu, C. Rizos, A. Dempster
doaj   +1 more source

“Cookie”: A Satellite Concept for GNSS Remote Sensing Constellations

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2016
This paper presents a concept, “Cookie,” for a satellite particularly suited for dense spatial sampling by future Global Navigation Satellite Systems (GNSS) remote sensing constellations.
Manuel Martin-Neira   +3 more
doaj   +1 more source

A Review on Multi-GNSS for Earth Observation and Emerging Applications

open access: yesRemote Sensing, 2022
Global Navigation Satellite System (GNSS) has drawn the attention of scientists and users all over the world for its wide-ranging Earth observations and applications.
Shuanggen Jin   +2 more
doaj   +1 more source

Monitoring of Coastal Subsidence Changes Based on GNSS Positioning and GNSS-IR [PDF]

open access: yesJournal of Geodesy and Geoinformation Science, 2023
Coastal subsidence monitoring typically employs Global Navigation Satellite System (GNSS) positioning technology. This method provides information only about subsidence below the station base.
Xiaolei WANG, Zijin NIU, Xiufeng HE, Runchuan LI
doaj   +1 more source

Foreword to the Special Issue on GNSS Reflectometry

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2016
The papers in this special section focus on Global Navigation Satellie System reflectometry(GNSS-R) which is defined as the use of digital signals—here signals from Global Navigation Satellite Systems (GNSS)—as sources of illumination in a bistatic radar system.
Estel Cardellach   +2 more
openaire   +3 more sources

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