Results 51 to 60 of about 109,915 (264)

Adelgazamiento del glaciar cubierto Horcones Inferior, derivado de mediciones geodésicas mediante el uso de estaciones semicontinuas GNSS, durante un período de cinco estaciones de verano (C° Aconcagua, Argentina) [PDF]

, 2016
We report on ice movements changes in the Horcones Inferior Glacier (HIG), a major debris-covered glacier located in the southern sector of Mt. Aconcagua, Central Andes of Argentina.
Baron, Jorge Horacio, Durand, Jorge Marcelo, Lannutti, Esteban Damián, Lenzano, Luis Eduardo, Lenzano, Luis Eduardo, Trombotto, Dario Tomas   +5 more
core   +1 more source

Supporting GNSS Baseband Using Smartphone IMU and Ultra-Tight Integration [PDF]

arXiv, 2021
A great surge in the development of global navigation satellite systems (GNSS) excavates the potential for prosperity in many state-of-the-art technologies, e.g., autonomous ground vehicle navigation. Nevertheless, the GNSS is vulnerable to various ground interferences, which significantly break down the continuity of the navigation system.
arxiv  

GNSS Reflectometry and Remote Sensing: New Objectives and Results [PDF]

Adv. Space Res., 46(2), 111-117 (2010), 2010
The Global Navigation Satellite System (GNSS) has been a very powerful and important contributor to all scientific questions related to precise positioning on Earth's surface, particularly as a mature technique in geodesy and geosciences. With the development of GNSS as a satellite microwave (L-band) technique, more and wider applications and new ...
arxiv   +1 more source

The GRSS Standard for GNSS-Reflectometry

IGARSS 2020 - 2020 IEEE International Geoscience and Remote Sensing Symposium, 2020
Talk delivered in 2020 IEEE International Geoscience and Remote Sensing Symposium online, 26 September - 2 October ...
Carreno-Luengo, H., Camps, A., Flouri, N., Martin-Neira, M., Ruf, C., Wang, T., Khalsa, S., Clarizia, M., Reynolds, J., Johnson, J., O’Brien, A., Galdi, C., di Bisceglie, M., Dielacher, A., Jales, P., Unwin, M., King, L., Foti, G., Shah, R., Pascual, D., Schreiner, B., Asgarimehr, M., Wickert, J., Ribó, S., Cardellach, E.   +24 more
openaire   +4 more sources

Phase Center Corrections for BDS IGSO and MEO Satellites in IGb14 and IGSR3 Frame

Remote Sensing, 2021
As pre-launch antenna calibrations are not available for GPS and GLONASS satellites, the high correlation between the terrestrial scale and phase center offset (PCO) prevents a reliable estimation of the terrestrial scale with GNSS (Global Navigation ...
Ziyang Qu, Jing Guo, Qile Zhao
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, Reich, Sebastian, Wickert, Jens, Zavorotny, Valery   +3 more
core   +1 more source

Python software tools for GNSS interferometric reflectometry (GNSS-IR)

GPS Solutions, 2020
[EN] Global Navigation Satellite System (GNSS) interferometric reflectometry, also known as the GNSS-IR, uses data from geodetic-quality GNSS antennas to extract information about the environment surrounding the antenna. Soil moisture moni-toring is one of the most important applications of the GNSS-IR technique. This manuscript presents the main ideas
Martín Furones, Ángel Esteban, Luján García Muñoz, Raquel, Anquela Julián, Ana Belén   +2 more
openaire   +3 more sources

Observable-specific phase biases of Wuhan multi-GNSS experiment analysis center’s rapid satellite products

Satellite Navigation, 2022
Precise Point Positioning (PPP) with Ambiguity Resolution (AR) is an important high-precision positioning technique that is gaining popularity in geodetic and geophysical applications. The implementation of PPP-AR requires precise products such as orbits,
Jianghui Geng, Qiyuan Zhang, Guangcai Li, Jingnan Liu, Donglie Liu   +4 more
doaj   +1 more source

Software tools for GNSS interferometric reflectometry (GNSS-IR) [PDF]

GPS Solutions, 2018
GNSS-R interferometric reflectometry (also known as GNSS-IR, or GPS-IR for GPS signals) is a technique that uses data from geodetic-quality GNSS instruments for sensing the near-field environment. In contrast to positioning, atmospheric, and timing applications of GNSS, GNSS-IR uses the signal-to-noise ratio (SNR) data.
Carolyn Roesler, Kristine M. Larson
openaire   +2 more sources

Advances in GNSS Positioning and GNSS Remote Sensing

Sensors
Scientists and engineers use data utilize global navigation satellite systems (GNSSs) for a multitude of tasks: autonomous navigation, transport monitoring, construction, GNSS reflectometry, GNSS ionosphere monitoring, etc [...]
Yury V. Yasyukevich, Baocheng Zhang, Venkata Ratnam Devanaboyina   +2 more
openaire   +3 more sources