Results 11 to 20 of about 223,812 (206)
Analysis of the Effect of Tilted Corner Cube Reflector Arrays on Lunar Laser Ranging
Remote SensingThis paper primarily investigates the effect of the tilt of corner cube reflector (CCR) arrays on lunar laser ranging (LLR). A mathematical model was established to study the random errors caused by the tilt of the CCR arrays.
Jin Cao +7 more
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Anti-interference pulsed laser ranging system [PDF]
Tekhnologiya i Konstruirovanie v Elektronnoi Apparature, 2020 Pulsed laser rangefinders prove to be cost-effective and practical devices when used at distances of several tens of kilometers due to their compactness, portability and energy efficiency. However, the measurement accuracy is significantly reduced by the
Sadchenko A. V. +2 more
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Feasibility of satellite-to-ground continuous-variable quantum key distribution
npj Quantum Information, 2021 Establishing secure communication links at a global scale is a major potential application of quantum information science but also extremely challenging for the underlying technology.
Daniele Dequal +6 more
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Detection of retroreflective objects based on search for spatial anomalies
Компьютерная оптика, 2022 This work is devoted to the study of methods for detecting retroreflective objects, including optical and optoelectronic observation devices, based on the search for spatial anomalies in images formed in pulsed laser ranging systems. Algorithms, software
S.M. Borzov +2 more
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Laser Ranging Bathymetry Using a Photon-Number-Resolving Detector
Remote Sensing, 2022 The sensitivity and robustness against background noise of optical measurements, and specifically range-finding, can be improved by detecting the light with photon-number-resolving detectors (PNRD).
Lior Cohen +4 more
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Multi-frequency Phase Laser Ranging based on Delta-Sigma Modulation
Guangtongxin yanjiu, 2022 In order to solve the problem that the laser satellite terminal can realize the ranging function while completing the communication function, this paper designs a method based on the Delta-Sigma modulation to realize the laser phase ranging, which can ...
Jin-xin ZUO +6 more
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Study on the Preliminary Design of ARGO-M Operation System [PDF]
Journal of Astronomy and Space Sciences, 2010 Korea Astronomy and Space Science Institute has been developing one mobile satellite laser ranging system named as accurate ranging system for geodetic observation-mobile (ARGO-M). Preliminary design of ARGO-M operation system (AOS) which is one of the
Yoon-Kyung Seo +6 more
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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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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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