Crystal cleaving machine [PDF]
, 1982 A machine is disclosed for cleaving hard crystals. A typical example of which is lithium fluoride, with prcision and uniformity and includes vertical axis positioning control means for an adjustable spring tension guided hammer mechanism employed to ...
Benedicto, J. S. J., Hallberg, F. C.
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Principle of Underground Personnel Positioning System Based on RSSI and Its Desig
Gong-kuang zidonghua, 2010 The paper proposed a design scheme of underground personnel positioning system based on RSSI, expounded mathematical modeling method of underground tunnel and the basic theory of personnel positioning, and mainly introduced implementation schemes of ...
WU Dan-chen +3 more
doaj
IT in construction: aligning IT and business strategies [PDF]
, 2002 The extent to which information technology (IT) infrastructures and strategies are aligned with business processes and strategies varies widely along firms.
Greenwood, D +5 more
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Underground personnel positioning system based on 5G+UWB and inertial navigation technology
Gong-kuang zidonghuaIn practical applications of coal mine personnel positioning systems, there are problems of insufficient equipment computing power and storage resources.
LI Mingfeng +7 more
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Positioning of underground mobile communication device based on three direction acceleration data
Gong-kuang zidonghua, 2016 In view of the problem of big position error of personnel positioning system based on RSSI technology, the paper proposed to use triaxial acceleration sensor built-in smart phone to collect active vibration signal, and get walking motion law of the human
LIU Yi
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Positive Coping: A Unique Characteristic to Pre-Hospital Emergency Personnel [PDF]
Electronic physician, 2017 It is important to gain a thorough understanding of positive coping methods adopted by medical emergency personnel to manage stressful situations associated with accidents and emergencies. Thus, the purpose of this study was to gain a better understanding of positive coping strategies used by emergency medical service providers.This study was conducted
Abbas Ebadi,, Razieh Froutan
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The Value of Design-led Innovation in Chinese SMEs [PDF]
, 2009 Organised by: Cranfield UniversityThis paper focuses on understanding the role and use of design-led innovation in Chinese SMEs. The insights were gained by undertaking a pilot study, based on an applied developmental research approach involving ...
Bolton, S.
core
Cooperative localization by dual foot-mounted inertial sensors and inter-agent ranging
, 2013 The implementation challenges of cooperative localization by dual foot-mounted inertial sensors and inter-agent ranging are discussed and work on the subject is reviewed. System architecture and sensor fusion are identified as key challenges. A partially
Händel, Peter +3 more
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Weighted centroid localization algorithm based on node cooperation in coal mine underground
Gong-kuang zidonghua, 2018 In view of problems of large attenuation error and low positioning accuracy of personnel positioning signal in underground long-distance roadway, a weighted centroid localization algorithm based on node cooperation was proposed.
ZHAO Tong +4 more
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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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