Results 11 to 20 of about 168,318 (209)
Design of cognitive algorithm for mine-used accurate positioning system
Gong-kuang zidonghua, 2015 In view of problem of high power consumption and data generation rate of existing mine-used accurate positioning system, a cognitive algorithm for mine-used accurate positioning system was designed.
WU Wei, HUANG Qian, TANG Lijun
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Design of an intelligent accurate personnel positioning system for mine
Gong-kuang zidonghua, 2017 In view of problems of difficult deployment and high cost caused by a lot of wired communication cable and low intelligence of request for help in emergency existed in current accurate personnel positioning system of coal mine underground, an intelligent
WU Wei, TANG Lijun, JIANG Decai
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A Simple 2D Accurate Mini Implant Positioning Guide [PDF]
Journal of Clinical and Diagnostic Research, 2014 One of the major issues in orthodontic treatment is anchorage planning when using a pre adjusted edgewise appliance system. The conventional methods described in the literature include banding of second molars, transpalatal arches and headgears that ...
ARUN KUMAR DASARI +4 more
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Accurate positioning system for mine based on UWB technology
Meikuang Anquan, 2021 This paper proposes a design scheme of mine precision positioning based on UWB technology. Firstly, the environmental characteristics of mine roadways are analyzed, and then the system networking model and UWB accurate positioning algorithm are studied ...
WANG Fei
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Design of inverted F antenna for identification card of ZigBee accurate positioning
Gong-kuang zidonghua, 2015 An inverted F antenna with small size, high bandwidth and radiation efficiency was designed according to demand for antenna of ZigBee accurate positioning identification card.
SUN Erhua, WU Wei
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A commentary of Hyper-accurate position in MIT Technology Review 2021
Fundamental Research, 2021 The positioning accuracy improvement of satellite navigation system support the development of industries related to high accuracy positioning. The BeiDou global satellite navigation system (BDS-3) started providing full-scale global services in 2020 ...
Xia Ren, Yuanxi Yang
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Intelligent dispatching and command system of underground transport
Gong-kuang zidonghua, 2014 Components and working principle of an intelligent dispatching and command system of underground transport were introduced. The system realizes functions of position monitoring of locomotive, identification of travel direction, switch control, signal ...
WANG Baode
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Gong-kuang zidonghua, 2014 In view of problems of large errors and low accuracy of positioning technology in coal mine, the strapdown inertial navigation system was introduced into coal mine personnel and equipment for precise positioning and navigation.
LIU Xiaowen, WANG Cun, WANG Long
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Gong-kuang zidonghua, 2018 Due to affects of clock synchronization error, clock timing error, multipath effect, not line of sight （NLOS）delay error, electromagnetic disturbance between positioning substation and positioning card, it has large positioning error in the existing ...
SUN Zhexing, WANG Yanwen
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Research on mine personnel positioning method based on time range
Gong-kuang zidonghua, 2018 Four kinds of mine personnel positioning methods based on time range were researched, namely TOA, TWR, SDS-TWR and TDOA positioning methods, they are less influenced by roadway environment and suitable for mine personnel precise positioning.TOA ...
SUN Zhexing
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