[HTML][HTML] STFT spectrogram based hybrid evaluation method for rotating machine transient vibration analysis
G Manhertz, A Bereczky - Mechanical Systems and Signal Processing, 2021 - Elsevier
The main purpose of this paper is to represent a methodenabling vibration components to
be extracted from a high-resolution Short-Time Fourier-Transformation (STFT) based …
be extracted from a high-resolution Short-Time Fourier-Transformation (STFT) based …
A multi-order probabilistic approach for Instantaneous Angular Speed tracking debriefing of the CMMNO׳ 14 diagnosis contest
The aim of this work is to propose a novel approach for the estimation of the Instantaneous
Angular Speed (IAS) of rotating machines from vibration measurements. This work is …
Angular Speed (IAS) of rotating machines from vibration measurements. This work is …
Chirp rate and instantaneous frequency estimation: application to recursive vertical synchrosqueezing
This letter introduces new chirp rate and instantaneous frequency estimators designed for
frequency-modulated signals. These estimators are first investigated from a deterministic …
frequency-modulated signals. These estimators are first investigated from a deterministic …
An adaptive cepstrum feature representation method with variable frame length and variable filter banks for acoustic emission signals
Acoustic emission technology is widely employed in defect detection, structural health
monitoring, fault diagnosis, and other applications due to its benefits of non-contact, real …
monitoring, fault diagnosis, and other applications due to its benefits of non-contact, real …
Fault diagnosis of automobile power seat with acoustic analysis and retrained SVM based on smartphone
X Huang, Z Teng, Q Tang, Z Yu, J Hua, X Wang - Measurement, 2022 - Elsevier
Automobile power seats (APS) fault diagnosis method research is crucial for manufacturers
to adjust production strategies and improve economic efficiency. Although acoustic analysis …
to adjust production strategies and improve economic efficiency. Although acoustic analysis …
A modified viterbi algorithm-based if estimation algorithm for adaptive directional time–frequency distributions
Abstract Time–frequency (TF)-based instantaneous frequency estimation algorithms fail to
achieve the desired performance when the underlying TF distribution suffers from low …
achieve the desired performance when the underlying TF distribution suffers from low …
Maritime ship target imaging with GNSS-based passive multistatic radar
In the field of maritime surveillance, the global navigation satellite system (GNSS)-based
passive radar has proven its potential for moving target detection (MTD), localization, and …
passive radar has proven its potential for moving target detection (MTD), localization, and …
Detection of LFM radar signals and chirp rate estimation based on time-frequency rate distribution
Linear frequency-modulated (LFM) signals are the most significant example of waveform
used in low probability of intercept (LPI) radars, synthetic aperture radars and modern …
used in low probability of intercept (LPI) radars, synthetic aperture radars and modern …
Multipath interference removal in receivers of linear frequency modulated radar pulses
K Abratkiewicz, PJ Samczyński… - IEEE Sensors …, 2021 - ieeexplore.ieee.org
The article describes algorithms for the retrieval of linear frequency modulated (LFM) pulses
from a received signal which is corrupted by noise and multipath reflections from ground and …
from a received signal which is corrupted by noise and multipath reflections from ground and …
A fast time-frequency multi-window analysis using a tuning directional kernel
In this paper, a novel approach for time-frequency analysis and detection, based on the
chirplet transform and dedicated to non-stationary as well as multi-component signals, is …
chirplet transform and dedicated to non-stationary as well as multi-component signals, is …