Results 101 to 110 of about 23,685 (263)

SAR-Based Vibration Estimation Using the Discrete Fractional Fourier Transform [PDF]

open access: yes, 2012
A vibration estimation method for synthetic aperture radar (SAR) is presented based on a novel application of the discrete fractional Fourier transform (DFRFT).
Atwood, Tom   +8 more
core   +1 more source

DopNet:A Deep Convolutional Neural Network to Recognize Armed and Unarmed Human Targets [PDF]

open access: yes, 2019
The work presented in this paper aims to distinguish between armed or unarmed personnel using multi-static radar data and advanced Doppler processing. We propose two modified Deep Convolutional Neural Networks (DCNN) termed SCDopNet and MC-DopNet for
Chen, Qingchao   +5 more
core   +2 more sources

Informed acceptance and perceptions of the 2025 ILAE seizure classification following structured teaching

open access: yesEpileptic Disorders, EarlyView.
Abstract Objective To assess informed acceptance and perceptions of the 2025 update of the International League Against Epilepsy (ILAE) seizure classification—after participants had received a focused educational introduction to the updated classification. Methods We analyzed anonymized live poll responses from two educational webinars dedicated to the
Sándor Beniczky   +6 more
wiley   +1 more source

Review of Recent Trends in Sensing Methodologies and AI Techniques for Non-Cooperative Aerial Target Recognition [PDF]

open access: yesInternational Journal of Mathematical, Engineering and Management Sciences
The proliferation of non-cooperative aerial targets, particularly low altitude-slow-speed small RCS drones, presents a complex challenge for airspace security.
Arvind Rawat   +5 more
doaj   +1 more source

Classification of Birds and UAVs Based on Radar Polarimetry [PDF]

open access: yes, 2016
This letter aims to show the potential of using polarimetric parameters to distinguish between large birds and unmanned aerial vehicles (UAVs) of comparable size in the context of a modern long-range air defense radar. Time is a critical resource in such
Griffiths, H, Olsen, KE, Torvik, B
core   +1 more source

Research progress on the use of the optical coherence tomography system for the diagnosis and treatment of central nervous system tumors

open access: yesIbrain, Volume 11, Issue 1, Page 3-18, Spring 2025.
With the advantages of high‐resolution imaging, efficient image acquisition, intraoperative real‐time detection, and radiation‐free and noninvasive characteristics, optical coherence tomography (OCT) provides accurate diagnosis and effective intraoperative guidance for the minimally invasive diagnosis and treatment of central nervous system (CNS ...
Jiuhong Li   +10 more
wiley   +1 more source

Overview of Radar-Based Gait Parameter Estimation Techniques for Fall Risk Assessment

open access: yesIEEE Open Journal of Engineering in Medicine and Biology
Current methods for fall risk assessment rely on Quantitative Gait Analysis (QGA) using costly optical tracking systems, which are often only available at specialized laboratories that may not be easily accessible to rural communities.
Sevgi Z. Gurbuz   +3 more
doaj   +1 more source

Analysis of Radar Doppler Signature from Human Data [PDF]

open access: yes, 2014
This paper presents the results of time (autocorrelation) and time-frequency (spectrogram) analyses of radar signals returned from the moving human targets.
Andrić, M.   +4 more
core   +1 more source

Three-Dimensional Imaging Method Incorporating Range Points Migration and Doppler Velocity Estimation for UWB Millimeter-Wave Radar [PDF]

open access: yes, 2017
High-resolution, short-range sensors that can be applied in optically challenging environments (e.g., in the presence of clouds, fog, and/or dark smog) are in high demand.
Fang Shang   +5 more
core   +2 more sources

Microelectromechanical system‐based devices for the diagnosis, treatment, and monitoring of ophthalmic diseases

open access: yesInterdisciplinary Medicine, EarlyView.
Due to the characteristics of miniaturization, high sensing performance, integration, and high comfort, MEMS‐based devices were employed to design sensors, imaging systems, drug delivery systems, retinal prosthesis, surgical tools, and wearable products for the ophthalmic disease diagnosis, treatment, and monitoring.
Yaling Peng   +10 more
wiley   +1 more source

Home - About - Disclaimer - Privacy