Results 101 to 110 of about 121,383 (293)

A Novel Passive Tracking Scheme Exploiting Geometric and Intercept Theorems

open access: yesSensors, 2018
Passive tracking aims to track targets without assistant devices, that is, device-free targets. Passive tracking based on Radio Frequency (RF) Tomography in wireless sensor networks has recently been addressed as an emerging field.
Biao Zhou   +3 more
doaj   +1 more source

The Internet of Things—Current Trends, Applications and Future Challenges

open access: yes
The Internet of Things (IoT) represents one of the most significant technological advancements of our era. It interconnects a multitude of devices and systems, thereby transforming how we interact with the world around us.

core   +1 more source

Digital Metrology for the Internet of Things

open access: yes, 2020
Internet of Things (IoT) device data enables diverse applications. However, the quality of data are non-standardized and difficult to quantify. While poor quality data may be usable, establishing error bounds supports IoT’s use in critical applications ...
Nikander, Pekka   +9 more
core   +1 more source

Concurrently Achieving 4.6 W/M2 and 120,000 Cyclability Enabled by Extendable Swing Arms in Rotational Triboelectric Nanogenerator

open access: yesAdvanced Science, EarlyView.
A rotational energy harvesting device that successfully reconciles high power density with mechanical durability through a hybrid sliding‐and‐bouncing kinematic mechanism is reported. The success reported in our paper includes addressing a dilemma where enhanced electrical output comes at the cost of increased friction and wear, limiting the practical ...
Yihong Lin   +12 more
wiley   +1 more source

CMOS‐Integrated Synaptic Photoreceptor Chip Inspired by Insect Visual Processing

open access: yesAdvanced Science, EarlyView.
CMOS‐integrated Si QDs/ReS2 synaptic photoreceptor array mimics the parallel processing and wavelength‐selective strategy of insect vision. By combining intrinsic ultraviolet‐violet sensitivity with synaptic plasticity, the chip enables frontend sensory redundancy reduction without external filters, offering a scalable pathway toward lowpower ...
Jian Chai   +25 more
wiley   +1 more source

AeroYOLO: Efficient Multiscale and Attention-Augmented YOLOv8s for Robust Aerial Object Detection

open access: yesIEEE Access
Aerial object detection suffers from scale and spatial imbalance, significantly reducing detection accuracy in drone-based datasets. We propose progressively enhanced YOLOv8s-based models AeroYOLO-Fusion, AeroYOLO-Attn, and AeroYOLO-Lite addressing ...
Huiyao Zhang
doaj   +1 more source

Towards Designing Open and Secure IoT Systems : Insights for Practitioners

open access: yes, 2018
Fast growth in a number of connected devices, heterogeneity, constrained resources, privacy, software upgrades and operational environment create important security related challenges in Internet of Things (IoT) domain.
Vogel, Bahtijar, Varshney, Rimpu
core  

A High‐Entropy Strategy for Chemoresistive Ethanol Sensors With Remarkably Rapid and Selective Response

open access: yesAdvanced Science, EarlyView.
The configurational‐entropy strategy enables rapid and sensitive ethanol detection using a multicomponent oxide. The high‐entropy (InSnFeZnW)Ox provides enriched oxygen vacancies and diverse adsorption sites that strengthen surface reactivity. The sensor achieves a 5135% ethanol response with fast kinetics and stable long‐term operation.
Gi Baek Nam   +19 more
wiley   +1 more source

The Role of Internet of Things and Security Aspects in STEM Education

open access: yes
In the last decade, Science, Technology, Engineering, and Mathematics (STEM) education has rapidly evolved and increasingly makes use of innovative technologies.
Edita Djambazova   +3 more
core   +1 more source

Neuromorphic Near‐Sensor and In‐Sensor Computing Enabled by Next‐Generation Material‐Based Sensors

open access: yesAdvanced Science, EarlyView.
This Review presents a structural framework that classifies neuromorphic sensing into near‐sensor and in‐sensor architectures, clarifying physical coupling between sensing and computation. The framework connects neural and synaptic device functions with recent advances in optical, mechanical, and chemical sensing, compares energy consumption and ...
Su Yeon Jung   +7 more
wiley   +1 more source

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