Results 181 to 190 of about 8,813,848 (351)
Key management and link-layer security of wireless sensor networks : energy-efficient attack and defense [PDF]
, 2005 Yee Wei Law
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Advanced Photonics Research, EarlyView.Optical wireless communications (OWCs) provide a promising alternative to spectrum‐congested microwave wireless communications. Recently, the use of metasurfaces with sub‐wavelength features for dynamic beam steering, beam manipulation, and spatial or optical‐angular‐momentum mode generation, conversion, and multiplexing in OWCs is proposed and ...
Ke Wang +7 more
wiley +1 more source
FIVE NON-TECHNICAL PILLARS OF NETWORK INFORMATION SECURITY MANAGEMENT [PDF]
, 2005 Elmarie Kritzinger, S.H. Solms
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Poka: A Necro‐Robot Beetle with a Measured Payload Ratio of 6847%
Advanced Robotics Research, EarlyView.Here, Poka, a necro‐robot beetle with the ability to carry more than 68 times its own weight, is introduced, making it also a walking robot with the highest payload ratio measured to date. This paper is concerned with the design, manufacture and validation of ‘Poka', a novel millimetre‐scale necro‐robot aimed at bridging the performance gap between ...
Yordan Tsvetkov, Parvez Alam
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Security and Resource Policy-based Management Architecture for ALAN Servers
, 2003 Temitope Olukemi +3 more
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In‐Hand Singulation, Scooping, and Cable Untangling with a 5‐Dof Tactile‐Reactive Gripper
Advanced Robotics Research, EarlyView.This article presents a two‐fingered gripper with five degrees of freedom and a vision‐based tactile sensor for dexterous in‐hand manipulation. It performs complex tasks such as object singulation within granular media, scooping and precise card insertion, and cable untangling.
Yuhao Zhou +3 more
wiley +1 more source
Security issues in privacy and key management protocols of IEEE 802.16 [PDF]
, 2006 Sen Xu +2 more
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Printed Recyclable and Flexible Thermocouple Temperature Sensors
Advanced Sensor Research, EarlyView.Printed recyclable thermocouple sensors with low cost, easy processing, and compatibility with mass production are developed. Using re‐dissolvable polymeric binders, the printed sensors decompose without harsh treatments, while ferromagnetic Ni flakes enable efficient magnetic separation of materials.
Xiaotao Wang +5 more
wiley +1 more source
How Knowledge Management Can Support the IT Security of eGovernment Services
, 2003 Markus Nick, Stephan Groß, Björn Snoek
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COSMO-Skymed: The Earth Observation Italian Constellation for Risk Management and Security [PDF]
, 2006 Francesco Caltagirone +5 more
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