The Internet of Things for Health Care: A Comprehensive Survey
The Internet of Things (IoT) makes smart objects the ultimate building blocks in the development of cyber-physical smart pervasive frameworks. The IoT has a variety of application domains, including health care.
S. M. Riazul Islam +4 more
doaj +1 more source
Parents of two-phase flow and theory of “gas-lift”
This paper gives a brief overview of types of two-phase flow. Subsequently, it deals with their mutual division and problems with accuracy boundaries among particular types.
Zitek Pavel, Valenta Vaclav
doaj +1 more source
Design of personnel positioning system for fully mechanized coal face with low power consumption
Most of the existing accurate positioning systems for underground personnel adopt UWB positioning technology, which is based on the layout mode of personnel positioning card + positioning substation to achieve centimeter-level high precision positioning.
Xian CHEN, Shu ZHOU
doaj +1 more source
DQLEL: Deep Q-Learning for Energy-Optimized LoS/NLoS UWB Node Selection [PDF]
Ultra Wide Band (UWB) has been emerged as a technology to provide reliable, accurate, and energy-efficient indoor navigation/localization systems. There are, however, several key challenges ahead for its efficient implementation including complexity of ...
Zohreh Hajiakhondi-Meybodi +3 more
semanticscholar +1 more source
A Compact Ultra-Wideband Chip Antenna with Bandwidth Extension Patch and Simple Isolator for MIMO Systems for Mobile Handheld Terminals [PDF]
A compact ultra-wideband (UWB) chip antenna that has high isolation for multi-input multi-output (MIMO) systems is presented in this paper. The antenna is composed of a chip antenna, a printed circuit board, and an isolator stub.
Jung-Nam Lee +2 more
doaj +1 more source
Solution of heat removal from nuclear reactors by natural convection
This paper summarizes the basis for the solution of heat removal by natural convection from both conventional nuclear reactors and reactors with fuel flowing coolant (such as reactors with molten fluoride salts MSR).The possibility of intensification of ...
Zitek Pavel, Valenta Vaclav
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Research on positioning algorithm of electric mine shovel based on UWB technology
In the harsh working environment of mines, the traditional cable reeling method cannot guarantee the power supply of electric shovel for a long time, and there are hidden safety hazards in the process of power supply.
GUO Anbin, SU Hongjun, YAN Xiaoheng
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Band Notch Characteristics Reconfigurable UWB Leaf Shape Monopole Antenna [PDF]
In this paper a band notch characteristics reconfigurable UWB leaf shape monopole antenna is reported. The proposed antenna size is 42×32×1.6 mm3 and simulated S11 -10dB impedance bandwidth is from 2.1 to 13.0 GHz.
Pachiyaannan Muthusamy +3 more
doaj +1 more source
Improvement of strength and water absorption of Interlocking Compressed Earth Bricks (ICEB) with addition of Ureolytic Bacteria (UB) [PDF]
Interlocking Compressed Earth Brick (ICEB) are cement stabilized soil bricks that allow for dry stacked construction. This characteristic resulted to faster the process of building walls and requires less skilled labour as the bricks are laid dry and ...
J.M., Irwan +3 more
core +1 more source
Various methods to improve heat transfer in exchangers
The University of West Bohemia in Pilsen (Department of Power System Engineering) is working on the selection of effective heat exchangers. Conventional shell and tube heat exchangers use simple segmental baffles.
Pavel Zitek, Vaclav Valenta
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