Results 11 to 20 of about 23,240 (261)
Principle and performance of BDSBAS and PPP-B2b of BDS-3
Satellite Navigation, 2022 Within the framework of differential augmentation, this paper introduces the basic technical framework and performance of the BeiDou Global Navigation Satellite System (BDS-3) Satellite-Based Augmentation System (BDSBAS), including orbit products ...
Yuanxi Yang +5 more
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Research of software time synchronization project on Kylin operating system
Dianzi Jishu Yingyong, 2018 The development of homemade computer system of measurement and controlling becomes quickly, but the research of software time on Kylin is still on an underway phase. This paper puts forward the software time project, and tests the performance.
Li Yonggang +4 more
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Radiation environment and effect detection based on global navigation constellation
Open Astronomy, 2023 Combining the anomalies and environmental monitoring data of the early stage Beidou satellites, the space radiation environment spatial/temporal distribution and space radiation effect risk characteristics are analyzed, and the dynamic characteristics of
Quan Lin +9 more
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A correction method of spin-stabilized satellites attitude control based on infrared benchmark
Dianzi Jishu Yingyong, 2019 Aiming at the problem that there is a large deviation of the spin-stabilized satellite using infrared benchmark for attitude controlling, the control theory of isoclinic angle is described firstly, the difference between the solar reference and infrared ...
Zhou Jinbiao +4 more
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Architecture of Positioning and Tracking Solutions for Maritime Applications [PDF]
TransNav, 2022 This paper discusses the current and new satellite transponders for global tracking and detecting of oceangoing ships, assets, crew, passengers and any moving objects at sea for enhanced vessels traffic control and management. These transponders are able
Stojce Dimov Ilcev
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A Secure Task Allocation Technology Based on Crowd Sensing Network [PDF]
Jisuanji gongcheng, 2016 Crowd sensing networks achieve large-scale sensing by using the existing sensing equipment of users as well as the deployed communication networks.Hence,it can efficiently address the critical problem of high cost of large scale network.However,during ...
TANG Yan,LIU Ruiqi,YANG Panlong,FAN Xiaochen,LI Qingyu
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Surge-Suppression Power Supply System for Ship High Power Pulse Loads
Shanghai Jiaotong Daxue xuebao, 2021 This paper analyzes the characteristics and influences of new pulse loads of ships. The surge-suppression power supply system for high power and multi-mode pulse loads, the capacitance and inductance calculation methods for the energy buffer unit are ...
PANG Yu, HUANG Wentao, WU Jun, TAI Nengling, SUN Guoliang
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Tracking systems for satellite communications
IEE Proceedings F Communications, Radar and Signal Processing, 1988 During the past twenty years or so a considerable amount of work has gone into the development of tracking schemes for satellite communication systems. Here a review of the various techniques is presented. For each method used the principle of operation is described and the various salient features extracted.
Hawkins, GJ, Edwards, DJ, McGeehan, JP
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Sensors, 2022 Channel phase calibration is a crucial issue in high resolution and wide swath (HRWS) imagery with azimuth multi-channel synthetic aperture radar (SAR) systems.
Man Zhang +3 more
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Preliminary Study on Double Enhanced Raman Scattering Detection of Gas Phase Trace Explosives
IEEE Access, 2020 The demand of continuous detection technology for gas phase trace explosives (GPTE) in explosion-proof stability maintenance, public security, explosive security storage and other occasions is summarized.
Zhibin Chen, Mengze Qin, Cheng Xiao
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