Investopedia

What Is Options Trading? A Beginner's Overview

Learn the benefits and risks of options and how to start trading options Lucas Downey is the co-founder of MoneyFlows, and an Investopedia Academy instructor. Samantha (Sam) Silberstein, CFP®, CSLP®, ...
IEEE

The Reassigned Cross-Spectrogram

Abstract: The reassignment technique is used to increase localization for signal components in the time-frequency representation. The technique gives perfect localization for linear chirp signals and ...
IEEE

Contrastive Audio Spectrogram Transformer for Robust Recognition of Environmental Acoustic Signals

Abstract: In recent years, environmental sound classification has become an essential component in intelligent urban monitoring systems, smart infrastructure, and public noise analysis. However, this ...
Frontiers

Integration of PCG spectrogram texture and deep features for the diagnosis of heart failure with preserved ejection fraction using heterogeneous stacking ensemble learning

This study proposes a novel heterogeneous stacking ensemble learning model for the fusion of phonocardiogram (PCG) spectrogram texture and deep features to detect heart failure with preserved ejection ...