IEEE

Instantaneous Frequency and Amplitude Estimation in Multicomponent Signals Using an EM-Based Algorithm

Abstract: This paper addresses the problem of estimating the instantaneous frequency (IF) and amplitude of the modes composing a non-stationary multicomponent signal in the presence of noise. A novel ...
IEEE

A Novel Multiple Fourier Series Modeling for PWM Pulses Formed by Modulation Signals with Time-Varying Amplitude and Frequency

Abstract: For power grids dominated by renewable energy generation and power electronics converters, high-frequency voltage and current distortion and oscillation are correlated with high-frequency ...
Scientific Research Publishing

Galactic Rotation Curves Explained in the 4DEU Framework by 3D Spatial Curvature from Local Gravitational Blocking of Cosmic Expansion: No Need for Dark Matter ()

The observed near flatness of galactic rotation curves has long been interpreted as evidence for large amounts of non-baryonic dark matter. Here we show that this phenom ...
Frontiers

Altered static and dynamic amplitude of low-frequency fluctuations in acute carbon monoxide poisoning patients: a resting-state fMRI study

Objective: This study aimed to investigate alterations in brain activity due to acute carbon monoxide poisoning (ACOP) and their relationship with clinical manifestations using static and dynamic ...