Measuring Ganymede’s Librations with Laser Altimetry [PDF]
Geosciences, 2019 Jupiter’s moon Ganymede might be in possession of a subsurface ocean located between two ice layers. However, from Galileo data it is not possible to unambiguously infer the thickness and densities of the individual layers.
Gregor Steinbrügge +4 more
doaj +6 more sources
Signal Photon Extraction Method for ICESat-2 Data Using Slope and Elevation Information Provided by Stereo Images [PDF]
Sensors, 2023 Laser altimetry data from the Ice, Cloud, and land Elevation Satellite-2 (ICESat-2) contain a lot of noise, which necessitates the requirement for a signal photon extraction method.
Linyu Gu +5 more
doaj +2 more sources
ICESat laser altimetry over small mountain glaciers [PDF]
The Cryosphere, 2016 Using sparsely glaciated southern Norway as a case study, we assess the potential and limitations of ICESat laser altimetry for analysing regional glacier elevation change in rough mountain terrain.
D. Treichler, A. Kääb
doaj +5 more sources
Ultra-Sensitive Dual-Resonator Graphene Pressure Sensor with Temperature Self-Compensation. [PDF]
Adv Sci (Weinh)This work presents a graphene resonator sensor based on a dual‐cavity interferometric scheme that achieves high sensitivity to pressure variations. Its lightweight and compact design enables drone‐based field experiments, underscoring the promise of graphene optomechanical devices for portable and scalable sensing applications.
Wan Z +7 more
europepmc +2 more sources
OVERVIEW OF THE TERRESTRIAL ECOSYSTEM CARBON MONITORING SATELLITE LASER ALTIMETER [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2022 The Terrestrial Ecosystem Carbon Monitoring satellite will be the first satellite of China with multi-beams laser altimeter and repetition frequency equal to GLAS on the world first laser altimetry satellite ICESat, but smaller diameter than GLAS.
G. Li +8 more
doaj +1 more source
ICESAT-2 LASER ALTIMETRY DATA-GUIDED HIGH-ACCURACY POSITIONING OF SATELLITE STEREO IMAGES [PDF]
ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2022 Positioning accuracy is a key indicator that restricts the accuracy of satellite image mapping. Laser altimetry acquires surface height in decimeters or higher accuracy, providing high-accuracy topographic information for satellite photogrammetry.
S. Zou +5 more
doaj +1 more source
Cloud Detection and Centroid Extraction of Laser Footprint Image of GF-7 Satellite Laser Altimetry [PDF]
Journal of Geodesy and Geoinformation Science, 2021 The laser altimeter loaded on the GaoFen-7(GF-7) satellite is designed to record the full waveform data and footprint image, which can obtain high-precision elevation control points for stereo image.
Jiaqi YAO,Guoyuan LI,Jiyi CHEN,Genghua HUANG,Xiongdan YANG,Shuaitai ZHANG
doaj +1 more source
Remote Sensing, 2022 The GF-7 satellite is China’s first civil sub-meter resolution stereo mapping satellite, aiming at 1:10,000-scale mapping. To achieve this goal, apart from the stereo optical cameras that reach sub-meter resolution, the GF-7 satellite is equipped with a ...
Jiyi Chen +6 more
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What have we learnt from ICESat on greenland ice sheet change and what to expect from current ICESat-2 [PDF]
Geodetski Vestnik, 2021 Ice-sheet mass balance and ice behaviour have been effectively monitored remotely by space-borne laser ranging technology, i.e. satellite laser altimetry, and/or satellite gravimetry.
Blaženka Bukač +2 more
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ANALYSIS OF INFLUENCING FACTORS OF CURVE MATCHING BASED GEOMETRIC CALIBRATION FOR ZY3-02 ALTIMETER DATA [PDF]
ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2019 High-precision on-orbit geometric calibration of spaceborne laser altimetry data is essential to its effective applications. Firstly, the existing calibration methods for laser altimeter data are analyzed.
M. Zhou +7 more
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