Results 31 to 40 of about 96,901 (278)

Algorithm for the Simultaneous Measurement of Multiple Parameters Based on Wavelength Modulation Spectroscopy

open access: yesSensors
To ensure personnel safety and prevent serious accidents, it is crucial to monitor parameters such as temperature, pressure, and gas composition concentrations in confined spaces.
Xiangyu Zhong   +6 more
doaj   +1 more source

IFM EFFECTS ON PCM/FM TELEMETRY SYSTEMS

open access: yes, 1998
International Telemetering Conference Proceedings / October 26-29, 1998 / Town & Country Resort Hotel and Convention Center, San Diego, CaliforniaIncidental Frequency Modulation (IFM) products in telemetry transmitters can be a significant cause of bit ...
Law, Gene, Whiteman, Don
core   +4 more sources

An Improved Attack on the Basic Merkle–Hellman Knapsack Cryptosystem

open access: yesIEEE Access, 2019
Knapsack problem is a famous NP-complete problem, which is believed to be difficult to be solved even by a quantum computer. Hence, this type of cryptosystem is a good candidate for post-quantum cryptography.
Jiayang Liu, Jingguo Bi, Songyan Xu
doaj   +1 more source

High-Precision Demodulation Method for Multi-FP Cavity Sensors Based on Filter Optimization

open access: yesSensors
Fibre-optic Fabry–Pérot (FP) multi-cavity sensors hold significant promise for multi-parameter measurements in extreme environments. However, precisely demodulating signals from each cavity within the composite interference spectrum remains a key ...
Tianchi Qiao   +4 more
doaj   +1 more source

A noise removal algorithm based on adaptive elevation difference thresholding for ICESat-2 photon-counting data

open access: yesInternational Journal of Applied Earth Observations and Geoinformation, 2023
Ice, Cloud, and Land Elevation Satellite-2 (ICESat-2) has shown great potential for near-shore bathymetry. Unavoidably, the photon data acquired has a lot of noise.
Bikang Wang   +7 more
doaj   +1 more source

More than pills: alternative adjunct therapies to improve comfort in hospitalised patients

open access: yesBMJ Open Quality, 2019
Discomfort in the hospitalised patient continues to be one of the healthcare system’s greatest challenges to positive patient outcomes. The patients’ ability to focus on healing is impaired by discomforts such as pain, nausea and anxiety.
Matthew Jones   +9 more
doaj   +1 more source

MicroRoboScope: A Portable and Integrated Mechatronic Platform for Magnetic and Acoustic Microrobotic Experimentation

open access: yesAdvanced Robotics Research, EarlyView.
This work presents the MicroRoboScope, a highly integrated, compact, and portable microrobotic experimentation platform combining electromagnetic and acoustic actuation with real‐time visual feedback into a single, end‐to‐end device. The system enables closed‐loop control and tracking algorithm experimentation within an accessible and unified hardware ...
Max Sokolich   +4 more
wiley   +1 more source

Intelligent Sky Guardians (InSkyGuard): An Aerial Robotic Swarm for Autonomous Detection and Entrapment of Rogue Multirotors

open access: yesAdvanced Robotics Research, EarlyView.
Intelligent Sky Guardians (InSkyGuard) is introduced as a four‐drone swarm that autonomously detects, tracks, and safely captures rogue drones using a coordinated net system. Computer vision and leader–follower control architecture enable synchronized enclosure, while integrated failsafes enhance system reliability. Validated through closed‐environment
Joshua Hastings   +6 more
wiley   +1 more source

A Comprehensive Survey on UAV Communication Channel Modeling

open access: yesIEEE Access, 2019
Unmanned aerial vehicles (UAVs) have stroke great interested both by the academic community and the industrial community due to their diverse military applications and civilian applications.
Chaoxing Yan   +3 more
doaj   +1 more source

WorMa: An Undulatory Robot With Center of Mass Regulation via Internal Fluid Redistribution for Amphibious Locomotion

open access: yesAdvanced Robotics Research, EarlyView.
WorMa is an amphibious undulatory robot that uses Center of Mass redistribution as the sole terrain adaptation mechanism. This mechanism is based on internal fluid mass redistribution through a pump‐driven latex balloon system that creates three profiles: head‐biased, balanced, and tail‐biased.
Daniil Filimonov, Nana Obayashi
wiley   +1 more source

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