Results 81 to 90 of about 2,309,558 (245)
Underwater optical wireless sensor network [PDF]
The thesis details the development of a short range, multi-hop underwater optical wireless sensor network. Multi-hop underwater optical wireless communication using a line of sight (LOS) link can provide a greater range compared to a single hop ...
Ahmad, Zahir Uddin
core
Gear wear process monitoring using acoustic signals [PDF]
, 2014 Airborne acoustic signals contain valuable information from machines and can be detected remotely for condition monitoring. However, the signal is often seriously contaminated by various noises from the environment as well as nearby machines.
Gu, Fengshou +3 more
core +3 more sources
Advanced Science, EarlyView.Recent advances in metasurface‐enabled low‐observable technologies are reviewed from the perspective of cross‐scale material–structure synergy. Electromagnetic, thermal, optical, and acoustic stealth are highlighted together with dynamic tuning, programmable coding, data‐driven inverse design, artificial intelligence, multispectral compatibility, and ...
Shuhao Wang +5 more
wiley +1 more source
Error Analysis and Correction of ADCP Attitude Dynamics under Platform Swing Conditions
Journal of Marine Science and EngineeringThe Acoustic Doppler Current Profiler (ADCP) on a platform generates rotational linear velocity due to dynamic factors in attitude changes, leading to measurement errors in vessel and water flow velocities.
Zhaowen Sun, Shuai Yao
doaj +1 more source
Underwater Acoustic Signal Acquisition and Sensing Using a Ring Vector Sensor Communication Receiver: Theory and Experiments. [PDF]
Sensors (Basel), 2023 Rashid R, Zhang E, Abdi A.
europepmc +1 more source
Advanced Science, EarlyView.Under pathological stimulation, NCOA4 in macrophages interacts with STAT1 to promote CH25H transcription. The subsequent increase in 25‐HC production activates macrophages, triggers inflammatory responses and ferroptosis, and accelerates the progression of AAA.
Zhinan Wu +9 more
wiley +1 more source
A Novel Sparsity Adaptive Algorithm for Underwater Acoustic Signal Reconstruction. [PDF]
Sensors (Basel), 2022 Li N, Yin X, Li H.
europepmc +1 more source
Advanced Intelligent Systems, Volume 7, Issue 3, March 2025.This article reviews the current state of bioinspired soft robotics. The article discusses soft actuators, soft sensors, materials selection, and control methods used in bioinspired soft robotics. It also highlights the challenges and future prospects of this field.
Abhirup Sarker +2 more
wiley +1 more source
Geometric bounding techniques for underwater localisation using range-only sensors
This paper describes the application of geometric bounding techniques to range-only navigation of an underwater vehicle. A geometric technique is defined to obtain a position fix of an underwater vehicle using a combination of dead-reckoning navigation ...
Veres, Sandor M., Morice, Colin P.
core +1 more source
Performance Analysis and Improvement for VAMP Soft Frequency-Domain Equalizers
IEEE Access, 2019 The vector approximate message passing (VAMP) soft frequency-domain equalizer (SFDE) has been proposed for turbo equalization. It consists of an inner soft equalizer (ISE) and an inner soft slicer (ISS), which iteratively exchange block-wise extrinsic ...
Dong Li, Yanbo Wu, Jun Tao, Min Zhu
doaj +1 more source