Mahmoud Ahmed Talaat Abdelkhalek

College of Engineering

PhD student at North Carolina State University

Works (3)

Updated: April 4th, 2024 14:07

2022 article

Mismatched Estimation in the Distance Geometry Problem

2022 56TH ASILOMAR CONFERENCE ON SIGNALS, SYSTEMS, AND COMPUTERS, pp. 1031–1035.

By: M. Abdelkhalek n, D. Baron n & C. Wong n

TL;DR: This paper argues that more accurate estimates can be obtained when an estimation procedure that uses the correct likelihood function of noisy measurements is performed, and demonstrates that least-squares estimates could be suboptimal by several dB. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: June 5, 2023

2021 article

Investigating the Relationship between Cough Detection and Sampling Frequency for Wearable Devices

2021 43RD ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE & BIOLOGY SOCIETY (EMBC), pp. 7103–7107.

By: M. Abdelkhalek*, J. Qiu, M. Hernandez, A. Bozkurt* & E. Lobaton*

MeSH headings : Algorithms; Cough / diagnosis; Humans; Neural Networks, Computer; Reproducibility of Results; Wearable Electronic Devices
TL;DR: This paper presents a new cough detection technique and preliminary analysis on the trade-off between detection accuracy and obfuscation of speech for privacy, and indicates that, using a publicly available dataset, it can sample signals at 750 Hz while still maintaining a sensitivity above 90%, suggested to be sufficient for clinical monitoring. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, ORCID
Added: April 25, 2022

2019 journal article

Resonance frequency selective electromagnetic actuation for high-resolution vibrotactile displays

SENSORS AND ACTUATORS A-PHYSICAL, 302.

By: A. Mohammadi*, M. Abdelkhalek n & S. Sadrafshari*

author keywords: Vibrotactile display; Electromagnetic actuator; Spatial resolution; Frequency multiplexing; Resonance frequency
TL;DR: A new selective electromagnetic actuation technique to control the vibrations of multiple tactile elements using a single coil based on their individual mechanical resonance frequencies is presented, allowing low-cost and highly reliable implementation of many tactile elements on a smaller area. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: March 16, 2020

Education

Updated: January 27th, 2023 17:56

2021 - present

North Carolina State University Raleigh, North Carolina, US
PhD, Electrical Engineering Electrical and Computer Engineering

2019 - 2021

NC State University Raleigh, North Carolina, US
MS, Electrical Engineering Electrical and Computer Engineering

2015 - 2019

University of Bath Bath, Somerset, GB
BEng (hons): Integrated Mechanical & Electrical Engineering Electrical and Electronics Engineering

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