Frontiers

Unraveling cardiac arrhythmia frequency: comparative analysis using time and frequency domain algorithms

During cardiac arrhythmia, the heart frequency is an important physiological parameter that can be identified by analyzing electrocardiogram (ECG) signals. However, the accuracy of the frequency ...
EurekAlert!

Process monitoring of P-GMAW-based wire arc direct energy deposition of stainless steels via time-frequency domain analysis and Isolation Forest

AI-driven process monitoring enhances the qualification of additively manufactured stainless-steel parts. By analysing high-frequency welding current and voltage signals in both the time and frequency ...
IEEE

Coordination of Time-Frequency Domain Analysis and Current Modulation Algorithm for Series Arc Fault Detection and Extinguishing

Abstract: Power generation using a photovoltaic (PV) system is increasing to achieve the carbon neutrality. Module-level power electronics (MLPEs) can optimize power generation for each PV panel.
Scientific Research Publishing

Comparative Performance Study of Finite Impulse Response Bandpass Filters Designed Using Hamming and Kaiser Windows ()

Electrical and Electronic Engineering Laboratory, National Polytechnic School, Marien Ngouabi University, Brazzaville, Republic of the Congo. In the field of digital communications, a filter is a ...
The New York Times

A Church Wants a Homeless Shelter. The Mayor Wants Space for Pickleball.

Toms River, N.J., is poised to use eminent domain to raze an Episcopal church to build a park. The church had wanted to set up a 17-bed shelter. By Tracey Tully Leaders of Christ Episcopal Church in ...
Frontiers

A multi-modal deep learning approach for stress detection using physiological signals: integrating time and frequency domain features

Objective: This study aims to develop a multimodal deep learning-based stress detection method (MMFD-SD) using intermittently collected physiological signals from wearable devices, including ...
IEEE

Time Versus Frequency Domain DPD for Massive MIMO: Methods and Performance Analysis

Abstract: The use of up to hundreds of antennas in massive multi-user (MU) multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) poses a complexity challenge for ...