Results 1 to 10 of about 14,978 (220)
Voice and Position Simultaneous Communication System Based on Beidou Navigation Constellation [PDF]
Xibei Gongye Daxue Xuebao, 2020 Considering China Beidou has unique two-way communication capability for short messages that are not available in other navigation systems such as GPS, a 600bps vocoder adapted to the short message channel of Beidou is developed.
Zhen Ao, Feng Li, Qiang Ma, Guiqing He
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A Station-Specific Ionospheric Modeling Method for the Estimation and Analysis of BeiDou-3 Differential Code Bias Parameters [PDF]
Navigation, 2022 A modified generalized trigonometric series (GTS) function is presented for the joint estimation of local ionospheric activities and differential code biases (DCBs) of the third-generation BeiDou navigation satellite system (BeiDou-3).
Ningbo Wang +3 more
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LSOS: An FG Position Method Based on Group Phase Ranging Ambiguity Estimation of BeiDou Pseudolite [PDF]
Remote Sensing, 2023 Due to the influence of indoor space environments, the carrier phase information obtained by the BeiDou pseudo-satellite often has the issue of cycle slips, which makes the user unable to carry out high-precision positioning.
Heng Zhang, Shuguo Pan
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FFAE-UNet: An Efficient Pear Leaf Disease Segmentation Network Based on U-Shaped Architecture [PDF]
SensorsThe accurate pest control of pear tree diseases is an urgent need for the realization of smart agriculture, with one of the key challenges being the precise segmentation of pear leaf diseases.
Wenyu Wang +4 more
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Precise Point Positioning with the BeiDou Navigation Satellite System
Sensors, 2014 By the end of 2012, China had launched 16 BeiDou-2 navigation satellites that include six GEOs, five IGSOs and five MEOs. This has provided initial navigation and precise pointing services ability in the Asia-Pacific regions.
Qile Zhao, Jing Guo, Xing Su
exaly +3 more sources
BeiDou Geostationary Satellite Code Bias Modeling Using Fengyun-3C Onboard Measurements [PDF]
Sensors, 2017 This study validated and investigated elevation- and frequency-dependent systematic biases observed in ground-based code measurements of the Chinese BeiDou navigation satellite system, using the onboard BeiDou code measurement data from the Chinese ...
Kecai Jiang +4 more
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Agriculture, 2023 Image datasets acquired from orchards are commonly characterized by intricate backgrounds and an imbalanced distribution of disease categories, resulting in suboptimal recognition outcomes when attempting to identify apple leaf diseases.
Jie Ding +6 more
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IdentPMP: identification of moonlighting proteins in plants using sequence-based learning models [PDF]
PeerJ, 2021 Background A moonlighting protein refers to a protein that can perform two or more functions. Since the current moonlighting protein prediction tools mainly focus on the proteins in animals and microorganisms, and there are differences in the cells and ...
Xinyi Liu +6 more
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BMC Bioinformatics, 2022 Background Essential Proteins are demonstrated to exert vital functions on cellular processes and are indispensable for the survival and reproduction of the organism.
Yi Yue +7 more
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Reports on Geodesy and Geoinformatics, 2021 The problem involving the monitoring of surface ground movements in post-mining areas is particularly important during the period of mine closures. During or after flooding of a mine, mechanical properties of the rock mass may be impaired, and this may ...
Sokoła-Szewioła Violetta +1 more
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