Results 1 to 10 of about 97,117 (164)
Feasibility of Laser Communication Beacon Light Compressed Sensing [PDF]
The Compressed Sensing (CS) camera can compress images in real time without consuming computing resources. Applying CS theory in the Laser Communication (LC) system can minimize the assumed transmission bandwidth (normally from a satellite to a ground ...
Zhen Wang, Shijie Gao, Lei Sheng
doaj +2 more sources
An Imaging System with Robust Spot Detection for Space Laser Communication ATP Systems [PDF]
To overcome the bandwidth and power limitations of traditional multi-chip architectures in inter-satellite laser communication ATP (Acquisition, Tracking, and Pointing) systems, we propose a highly integrated hardware-software co-design imaging system ...
Zhihong Liu +3 more
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Disturbance Observer-Based Model Predictive Control for Multi-Frequency Interference Suppression in Space Laser Communication Systems [PDF]
High-precision beam pointing control is essential for achieving reliable data transmission in space laser communication systems, requiring effective suppression of multi-frequency disturbance-induced tracking residuals.
Yang Chen +6 more
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High-Precision Calibration Technology and Experimental Verification for Dual-Axis Laser Communication Systems [PDF]
With the continuous improvement of remote sensing satellite resolution, laser communication technology has gained significant traction. The pointing accuracy of ground-based laser communication terminals is critical for the stability of satellite–ground ...
Wenyan Li +6 more
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Beam Scanning and Capture of Micro Laser Communication Terminal Based on MEMS Micromirrors [PDF]
Xuan Wang, Meilin Xie, Fan Wang
exaly +2 more sources
Video Communication of 1 km 2.5 Gbit/s Bidirectional Laser Bridge
Aiming at the problem of long-distance laser receiving and alignment, a laser bridge system using large area avalanche photo diode is proposed in this paper, which can be used as the extension of Wide Area Network (WAN) and the connection between Local ...
Yu-tong ZHANG +4 more
doaj +1 more source
Field Performance of All-Fiber Pulsed Coherent Doppler Lidar [PDF]
Coherent Doppler lidar (CDL) has been a powerful instrument to measure atmospheric wind velocity. In this work, an 1.5 μm all-fiber pulsed CDL has been developed and deployed to measure wind profiles in campaign experiment in 2018.
Liu Heng +7 more
doaj +1 more source
The efficacy of underwater laser detection is considerably impacted by the intense attenuation of light resulting from the scattering and absorption effects of water. In this study, we present the simulation and design of the underwater Lidar system that
Yongqiang Chen +8 more
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High SNR Φ-OTDR with Multi-Transverse Modes Heterodyne Matched-Filtering Technology
Phase-sensitive optical time domain reflectometer (Φ-OTDR) has attracted attention in scientific research and industry because of its distributed dynamic linear response to external disturbances.
Yifan Liu +10 more
doaj +1 more source
Phase-demodulated phase-sensitive time domain reflectometer (Φ-OTDR) has attracted much attention because of its linear relationship between the phase variation and the amplitude of the vibration.
Jinfeng Gu +7 more
doaj +1 more source

