Results 21 to 30 of about 3,302 (221)

Lake Altimetry Using Long Coherent Integration Carrier Phase Measurements from Airborne GNSS Reflectometry

Remote Sensing, 2023
Today, land and ocean observations are crucial for monitoring climate change. The method of GNSS reflectometry is an opportunistic way to provide low-cost observations of many geophysical parameters.
Nolan Varais, Jérôme Verdun, José Cali, Laurent Lestarquit   +3 more
doaj   +1 more source

Dynamic Dual Polarized GNSS Reflectometry Using UAV [PDF]

2021 15th European Conference on Antennas and Propagation (EuCAP), 2021
In this paper, GNSS-Reflectometry is performed using Unmanned Aerial Vehicle (UAV). Received GNSS multipath signal is utilized to perform environment remote sensing in dynamic and static flight modes. Right-Hand Circular Polarized (RHCP) multipath signal is recorded and its interference frequency is used to estimate the height of UAV above the ground ...
Pärssinen Aarno, Leinonen Marko, Berg Markus, Regmi Ankit, Hänninen Tuomo   +4 more
openaire   +2 more sources

Inversion Method of Tidal Level Based on GNSS Triple-Frequency, Geometry-Free, Non-Ionospheric Phase Combination

Applied Sciences, 2022
Using the navigation signal transmitted by GNSS (global navigation satellite system), satellites for tide level monitoring comprise one of the important research fields of GNSS marine remote sensing.
Gaochong You, Hang Guo, Jianfeng Wu, Min Yu   +3 more
doaj   +1 more source

Snow Depth Measurements by GNSS-IR at an Automatic Weather Station, NUK-K

Remote Sensing, 2022
Studies have shown that geodetic Global Navigation Satellite System (GNSS) stations can be used to measure snow depths using GNSS interferometric reflectometry (GNSS-IR).
Trine S. Dahl-Jensen, Michele Citterio, Jakob Jakobsen, Andreas P. Ahlstrøm, Kristine M. Larson, Shfaqat A. Khan   +5 more
doaj   +1 more source

GNSS-R monitoring of soil moisture dynamics in areas of severe drought: example of Dahra in the Sahelian climatic zone (Senegal)

European Journal of Remote Sensing, 2022
With population growth, water will increase in the following decades tremendously. The optimization of water allocation for agriculture requires accurate soil moisture (SM) monitoring.
Minh-Cuong Ha, José Darrozes, Muriel Llubes, Manuela Grippa, Guillaume Ramillien, Frédéric Frappart, Frédéric Baup, Håkan Torbern Tagesson, Eric Mougin, Idrissa Guiro, Laurent Kergoat, Huu Duy Nguyen, Lucia Seoane, Gregory Dufrechou, Phuong-Lan Vu   +14 more
doaj   +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

From GPS Receiver to GNSS Reflectometry Payload Development for the Triton Satellite Mission

Remote Sensing, 2021
The global positioning system (GPS) receiver has been one of the most important navigation systems for more than two decades. Although the GPS system was originally designed for near-Earth navigation, currently it is widely used in highly dynamic ...
Yung-Fu Tsai, Wen-Hao Yeh, Jyh-Ching Juang, Dian-Syuan Yang, Chen-Tsung Lin   +4 more
doaj   +1 more source

Effective Surface Roughness Impact in Polarimetric GNSS-R Soil Moisture Retrievals

Remote Sensing, 2023
Single-pass soil moisture retrieval has been a key objective of Global Navigation Satellite System-Reflectometry (GNSS-R) for the last decade. Achieving this goal will allow small satellites with GNSS-R payloads to perform such retrievals at high ...
Joan Francesc Munoz-Martin, Nereida Rodriguez-Alvarez, Xavier Bosch-Lluis, Kamal Oudrhiri   +3 more
doaj   +1 more source

Maritime Multiple Moving Target Detection Using Multiple-BDS-Based Radar: Doppler Phase Compensation and Resolution Improvement

Remote Sensing, 2021
With the realization of global navigation satellite system (GNSS) completion, GNSS reflectometry (GNSS-R) has become increasingly popular due to the advantages of global coverage and the availability of multiple sources in terms of earth remote sensing ...
Xiang Lan, Liuying Wang, Jinxing Li, Wangqiang Jiang, Min Zhang   +4 more
doaj   +1 more source

Analyzing Anomalous Artefacts in TDS-1 Delay Doppler Maps [PDF]

, 2019
© 2019 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new ...
Benson, Craig, Camps Carmona, Adriano José, Hu, Changjiang, Hyuk, Park, Li, Qiao, Rizos, Chris   +5 more
core   +1 more source