Results 81 to 90 of about 847 (209)
A TOF and TDOA underground joint positioning method based on UWB
Meikuang AnquanThe existing precise positioning system for mining personnel mainly adopts UWB positioning technology. The positioning method that only applies TOF requires joint ranging and orientation based on two positioning sub stations or antennas, which has ...
Xian CHEN
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Opportunities and Alliances: The Relational Dynamics of Criminal Collusion in Latin America
The British Journal of Sociology, EarlyView.ABSTRACT Based on ethnographic fieldwork in Mexico and judicial wiretap analysis in Argentina, this paper shows that collusion between state actors and violent non‐state actors operates through fluid and competitive relational networks rather than stable hierarchies or fixed institutional arrangements.
Eldad J. Levy, Javier Auyero
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Journal of Forensic Sciences, EarlyView.Abstract Radio frequency identification (RFID) technology was evaluated as a method for electronically tracking human remains and associated identifying information during mass fatality incidents. Conventional tags are prone to physical damage and failure, which can compromise identification processes and hinder the repatriation of bodies.
Makena P. McLean +3 more
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The Unintended Consequences of German Deterrence
Global Policy, EarlyView.ABSTRACT Germany's evolving deterrence posture boils down to continued participation in NATO nuclear sharing and an ambitious conventional rearmament program. Due to its non‐nuclear status and a result of decades of underinvestment, Germany prioritizes modern conventional weapons.
Ulrich Kühn
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Underground Personnel Positioning Method Based on Self-training and NLOS Suppression
Taiyuan Ligong Daxue xuebao[Purposes] The research of precise location of underground personnel in coal mine is of great significance to protect their life safety. The ultra-wideband signal is susceptible to non-lineof- sight (NLOS) interference, which will seriously affects the ...
SHAO Xiaoqiang +5 more
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Accounting Perspectives, EarlyView.ABSTRACT This case challenges students to apply managerial accounting concepts in the context of the Paris 2024 Olympic Games, a large‐scale event shaped by uncertainty, complexity, and public accountability. Positioned as advisors evaluating financial and strategic decisions before the Games, students analyze sponsorship value, cost structures ...
Catherine Barrette, Michael J. Marin
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Research of Routing Algorithm of Mine Personnel Positioning System Based on ZigBee
Gong-kuang zidonghua, 2010 According to characteristics of mine personnel positioning system and ZigBee, the paper put forward a method of regional networking approach of mine personnel positioning system based on ZigBee, designed a clustering routing algorithm named FEECP, and ...
GAO Yua
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Mine personnel cooperative location algorithm based on ultra-wideband
河南理工大学学报. 自然科学版ObjectivesTo address the issues of positioning blind zones， low localization accuracy for personnel at the working face， and non-line-of-sight （NLOS） errors in underground mines， a cooperative localization algorithm based on ultra-wideband （UWB ...
Wang Lei +5 more
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Accounting Perspectives, EarlyView.ABSTRACT Building on evidence that firms grant employee stock options (ESOs) in order to retain employees, we assess the impact of Financial Accounting Standard (FAS) 123R, and the reduction in ESO use that followed its adoption, on employee retention at the metropolitan statistical area (MSA) level.
Muhammad Azim, Francesco Bova, Nan Li
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Spectacle and Spy Stories: The 1954 Royal Commission on Espionage
Australian Journal of Politics &History, EarlyView.ABSTRACT The Menzies government's 1954 royal commission, established to investigate Soviet espionage in Australia, is well known as the backdrop to the Labor Party split. It saw opposition leader H.V. Evatt's demise and ushered in an almost 20‐year period of Liberal Party governance.
Ebony Nilsson
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