Results 21 to 30 of about 3,239 (163)
Comparing GRACE-FO KBR and LRI Ranging Data with Focus on Carrier Frequency Variations
Remote Sensing, 2022 The GRACE Follow-On satellite mission measures distance variations between its two satellites in order to derive monthly gravity field maps, indicating mass variability on Earth on a scale of a few 100 km originating from hydrology, seismology ...
Vitali Müller +6 more
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Daylight space debris laser ranging
Nature Communications, 2020 Space debris laser ranging is a technique to measure distances to defunct satellites or rocket bodies in orbits around Earth which was only possible within a few hours around twilight.
Michael A. Steindorfer +5 more
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A Tutorial on Retroreflectors and Arrays Used in Satellite and Lunar Laser Ranging
Photonics, 2023 The present paper discusses the basics of retroreflector theory and the manner in which they are combined in arrays to service the laser tracking of artificial satellites and the Moon.
John J. Degnan
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Laser enhancements for Lunar Laser Ranging at 532 nm
Results in Physics, 2016 This article exposes how we improved (by more than a factor of four) the green Lunar Laser Ranging instrumental sensitivity of the French telemetric station of the “Observatoire de la Côte d’Azur” in 2012.
G. Martinot-Lagarde +11 more
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Applied Sciences, 2022 Short and medium-span bridges account for more than 90% of the bridges in China, and it is not suitable to use conventional health monitoring technology to monitor them.
Xiaoya Li, Fangyuan Li
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LASER RANGING MODELING UNDER GENERALIZED MIXED PIXELS EFFECT [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2020 When a target lies on discontinuous surfaces, the footprint of a laser rangefinder covering multiple ranges causes mixed pixels effect and significantly distorts the ranging quality.
C. M. Chang, J. J. Jaw
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Ultra-fast optical ranging using quantum-dash mode-locked laser diodes
Scientific Reports, 2022 Laser-based light detection and ranging (LiDAR) is key to many applications in science and industry. For many use cases, compactness and power efficiency are key, especially in high-volume applications such as industrial sensing, navigation of autonomous
Philipp Trocha +8 more
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Satellite Laser Ranging System at Geochang Sta
Journal of Astronomy and Space Sciences, 2018 Korea Astronomy and Space Science Institute (KASI) has been developing the space optical and laser tracking (SOLT) system for space geodesy, space situational awareness, and Korean space missions. The SOLT system comprises satellite laser ranging (SLR),
Hyung-Chul Lim +7 more
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Geodesy and GeodynamicsA high-precision regional gravity field model is significant in various geodesy applications. In the field of modelling regional gravity fields, the spherical radial basis functions (SRBFs) approach has recently gained widespread attention, while the ...
Fang Zhang, Huanling Liu, Hanjiang Wen
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The Short-Range, High-Accuracy Compact Pulsed Laser Ranging System
Sensors, 2022 A short-range, compact, real-time pulsed laser rangefinder is constructed based on pulsed time-of-flight (ToF) method. In order to reduce timing discrimination error and achieve high ranging accuracy, gray-value distance correction and temperature ...
Hongbin Ma +5 more
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