Results 1 to 10 of about 423,457 (182)
Feasibility of Laser Communication Beacon Light Compressed Sensing [PDF]
Sensors, 2020 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
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Laser Based Underwater Communication Systems [PDF]
2016 18th International Conference on Transparent Optical Networks (ICTON), 2016 We report on recent progress in the field of visible light communications including direct modulation of blue laser devices at data rates beyond 10 Gbit/s, and the transmission of 2.5 Gbit/s OOK data through water.
Giuliano, Giovanni +5 more
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High-Precision Calibration Technology and Experimental Verification for Dual-Axis Laser Communication Systems [PDF]
SensorsWith 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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Video Communication of 1 km 2.5 Gbit/s Bidirectional Laser Bridge
Guangtongxin yanjiu, 2021 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
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Field Performance of All-Fiber Pulsed Coherent Doppler Lidar [PDF]
EPJ Web of Conferences, 2020 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
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Remote Sensing, 2023 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
Sensors, 2021 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
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IEEE Photonics Journal, 2020 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
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Theory of AdaDelSPGD Algorithm in Fiber Laser-Phased Array Multiplex Communication Systems
Applied Sciences, 2022 Stochastic parallel gradient descent (SPGD) algorithm is one of the most promising methods for effective coherent beam combination. However, the algorithm also has some disadvantages, such as slow convergence speed and local extremum. This paper proposes
Jiayu Chen +6 more
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Inverse Solution Error Analysis and Correction of Beam Steering System Based on Risley Prisms
Applied Sciences, 2022 The pointing accuracy of the Risley prisms beam-steering system mainly depends on the accuracy of the solution method and the impact of the error on the solution.
Yinuo Song +4 more
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