Results 1 to 10 of about 9,439 (173)

Rigorous Sensor Model of Gaofen-7 Satellite Laser Altimeter Based on Coupled Footprint Camera [PDF]

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2023
The Gaofen-7 (GF-7) satellite system adds a footprint camera that shares the same optical path as its laser altimeter to ensure consistent spatial referencing between the laser footprint point and the obtained optical images.
Shaoning Li, Guo Zhang, Xiufang Fan
doaj   +2 more sources

Deep-Learning-Based Feature Extraction Approach for Significant Wave Height Prediction in SAR Mode Altimeter Data

Remote Sensing, 2022
Predicting sea wave parameters such as significant wave height (SWH) has recently been identified as a critical requirement for maritime security and economy.
Ghada Atteia, Michael J. Collins, Abeer D. Algarni, Nagwan Abdel Samee   +3 more
doaj   +1 more source

An Overview of Requirements, Procedures and Current Advances in the Calibration/Validation of Radar Altimeters

Remote Sensing, 2021
Analysis of the radar echoes from a spaceborne altimeter gives information on sea surface height, wave height and wind speed, as well as other parameters over land and ice. The first spaceborne radar altimeter was pioneered on Skylab in 1974. Since then,
Graham D. Quartly, Ge Chen, Francesco Nencioli, Rosemary Morrow, Nicolas Picot   +4 more
doaj   +1 more source

Three Satellites Dynamic Switching Range Integrated Navigation and Positioning Algorithm with Clock Bias Cancellation and Altimeter Assistance

Aerospace, 2023
Challenging environments such as cities, canyons, and forests have become key factors affecting navigation stability. When users pass through intricate overpasses and winding road sections, due to the fluctuation of the geoid, there will be a large ...
Lvyang Ye, Ning Gao, Yikang Yang, Lingyu Deng, Hengnian Li   +4 more
doaj   +1 more source

Temporal Variations in Ice Thickness of the Shirase Glacier Derived from Cryosat-2/SIRAL Data

Remote Sensing, 2023
This study presents the feasibility of estimating the ice thickness of the Shirase Glacier using the synthetic aperture interferometric radar altimeter (SIRAL) on board the CryoSat-2 and the interannual variation of the ice thickness of the Shirase ...
Yurina Satake, Kazuki Nakamura
doaj   +1 more source

Validation of Sentinel-3A/3B and Jason-3 Altimeter Wind Speeds and Significant Wave Heights Using Buoy and ASCAT Data

Remote Sensing, 2020
This study validated wind speed (WS) and significant wave height (SWH) retrievals from the Sentinel-3A/3B and Jason-3 altimeters for the period of data beginning 31 October 2019 (to 18 September 2019 for Jason-3) using moored buoy data and satellite ...
Jungang Yang, Jie Zhang, Yongjun Jia, Chenqing Fan, Wei Cui   +4 more
doaj   +1 more source

Can Multi-Mission Altimeter Datasets Accurately Measure Long-Term Trends in Wave Height?

Remote Sensing, 2022
A long-duration, multi-mission altimeter dataset is analyzed to determine its accuracy in determining long-term trends in significant wave height.
Ian R. Young, Agustinus Ribal
doaj   +1 more source

Global Assessments of the HY-2B Measurements and Cross-Calibrations with Jason-3

Remote Sensing, 2020
The HY-2B satellite was successfully launched on 25 October 2018. One of the main payloads of the HY-2B was a radar altimeter. In the present study, the quality of the HY-2B along-track sea surface heights (SSH), significant wave heights (SWH), and sea ...
Yongjun Jia, Jungang Yang, Mingsen Lin, Youguang Zhang, Chaofei Ma, Chenqing Fan   +5 more
doaj   +1 more source

Can Sea Surface Waves Be Simulated by Numerical Wave Models Using the Fusion Data from Remote-Sensed Winds?

Remote Sensing, 2023
The purpose of our work is to investigate the performance of fusion wind from multiple remote-sensed data in forcing numeric wave models, and the experiment is described herein.
Jian Shi, Weizeng Shao, Shaohua Shi, Yuyi Hu, Tao Jiang, Youguang Zhang   +5 more
doaj   +1 more source

The Roles of the S3MPC: Monitoring, Validation and Evolution of Sentinel-3 Altimetry Observations

Remote Sensing, 2020
The Sentinel-3 Mission Performance Centre (S3MPC) is tasked by the European Space Agency (ESA) to monitor the health of the Copernicus Sentinel-3 satellites and ensure a high data quality to the users. This paper deals exclusively with the effort devoted
Graham D. Quartly, Francesco Nencioli, Matthias Raynal, Pascal Bonnefond, Pablo Nilo Garcia, Albert Garcia-Mondéjar, Adrián Flores de la Cruz, Jean-Francois Crétaux, Nicolas Taburet, Marie-Laure Frery, Mathilde Cancet, Alan Muir, David Brockley, Malcolm McMillan, Saleh Abdalla, Sara Fleury, Emeline Cadier, Qi Gao, Maria Jose Escorihuela, Mònica Roca, Muriel Bergé-Nguyen, Olivier Laurain, Jérôme Bruniquel, Pierre Féménias, Bruno Lucas   +24 more
doaj   +1 more source