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相关论文: Analysis of Synchrosqueezed Transforms and Applica…

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Resonance frequencies can provide useful information on the deformation occurring during fracturing experiments or $CO_2$ management, complementary to the microseismic event distribution. An accurate time-frequency representation is of…

地球物理 · 物理学 2013-01-08 Roberto H. Herrera , Jean-Baptiste Tary , Mirko van der Baan

Synchrosqueezing transform (SST) is a useful tool for vibration signal analysis due to its high time-frequency (TF) concentration and reconstruction properties. However, existing SST requires much processing time for large-scale data. In…

信号处理 · 电气工程与系统科学 2020-03-17 Dong He , Hongrui Cao

In recent years, the synchrosqueezing transform (SST) has gained popularity as a method for the analysis of signals that can be broken down into multiple components determined by instantaneous amplitudes and phases. One such version of SST,…

数值分析 · 数学 2017-09-20 Alexander Berrian , Naoki Saito

Time-frequency representations (TFRs) of signals, such as the windowed Fourier transform (WFT), wavelet transform (WT) and their synchrosqueezed variants (SWFT, SWT), provide powerful analysis tools. However, there are many important issues…

数值分析 · 数学 2014-05-27 Dmytro Iatsenko , Peter V. E. McClintock , Aneta Stefanovska

The synchrosqueezing transform, a kind of reassignment method, aims to sharpen the time-frequency representation and to separate the components of a multicomponent non-stationary signal. In this paper, we consider the short-time Fourier…

信号处理 · 电气工程与系统科学 2019-09-27 Lin Li , Haiyan Cai , Hongxia Han , Qingtang Jiang , Hongbing Ji

Recently the study of modeling a non-stationary signal as a superposition of amplitude and frequency-modulated Fourier-like oscillatory modes has been a very active research area. The synchrosqueezing transform (SST) is a powerful method…

数值分析 · 数学 2018-12-31 Haiyan Cai , Qingtang Jiang , Lin Li , Bruce W. Suter

Spectral interference, the frequency counterpart of the beating phenomenon in the time domain, can severely distort time-frequency representations (TFRs) in physical applications. We study this phenomenon for the short-time Fourier…

经典分析与常微分方程 · 数学 2026-01-19 Shrikant Chand , James Nolen , Hau-Tieng Wu

The finite STFT Synchrosqueezing transform is a time-frequency analysis method that can decompose finite complex signals into time-varying oscillatory components. This representation is sparse and invertible, allowing recovery of the…

数值分析 · 数学 2017-09-26 Mozhgan Mohammadpour , Bastiaan Kleijn , Rajab Ali Kamyabi Gol

The synchrosqueezing transform (SST) was developed recently to separate the components of non-stationary multicomponent signals. The continuous wavelet transform-based SST (WSST) reassigns the scale variable of the continuous wavelet…

信号处理 · 电气工程与系统科学 2020-08-26 Jian Lu , Qingtang Jiang , Lin Li

The continuous wavelet transform (CWT) is a linear time-frequency representation and a powerful tool for analyzing non-stationary signals. The synchrosqueezing transform (SST) is a special type of the reassignment method which not only…

信号处理 · 电气工程与系统科学 2019-09-27 Lin Li , Haiyan Cai , Qingtang Jiang

This study introduces a new adaptive time-frequency (TF) analysis technique, synchrosqueezing transform (SST), to explore the dynamics of a laser-driven hydrogen atom at an {\it ab initio} level, upon which we have demonstrated its…

数据分析、统计与概率 · 物理学 2021-06-21 Yae-lin Sheu , Liang-Yan Hsu , Hau-tieng Wu , Peng-Cheng Li , Shih-I Chu

Transient signals are often composed of a series of modes that have multivalued time-dependent instantaneous frequency (IF), which brings challenges to the development of signal processing technology. Fortunately, the group delay (GD) of…

信号处理 · 电气工程与系统科学 2022-02-23 Haoran Dong , Gang Yu

We propose a bootstrapping framework to quantify uncertainty in time-frequency representations (TFRs) generated by the short-time Fourier transform (STFT) and the STFT-based synchrosqueezing transform (SST) for oscillatory signals with…

统计方法学 · 统计学 2026-01-28 Hau-Tieng Wu , Zhou Zhou

The synchrosqueezing transform (SST) has been developed as a powerful EMD-like tool for instantaneous frequency (IF) estimation and component separation of non-stationary multicomponent signals. Recently, a direct method of the…

数值分析 · 数学 2020-10-22 Charles K. Chui , Qingtang Jiang , Lin Li , Jian Lu

Having reviewed the aspects of the linear and synchrosqueezed time-frequency representations (TFRs) needed for their understanding and correct use in Part I of this review, we now consider three more subtle issues that are nonetheless of…

数值分析 · 数学 2014-05-27 Dmytro Iatsenko , Peter V. E. McClintock , Aneta Stefanovska

The short-time Fourier transform (STFT) is widely used for analyzing non-stationary signals. However, its performance is highly sensitive to its parameters, and manual or heuristic tuning often yields suboptimal results. To overcome this…

声音 · 计算机科学 2025-06-27 Maxime Leiber , Yosra Marnissi , Axel Barrau , Sylvain Meignen , Laurent Massoulié

We study the real-time dynamics retrieval from a time series via the time-frequency (TF) analysis with the minimal latency guarantee. While different from the well-known intrinsic latency definition in the filter design, a rigorous…

多媒体 · 计算机科学 2016-06-30 Li Su , Hau-tieng Wu

We provide a statistical analysis of a tool in nonlinear-type time-frequency analysis, the synchrosqueezing transform (SST), for both the null and non-null cases. The intricate nonlinear interaction of different quantities in SST is…

统计理论 · 数学 2023-09-06 Matt Sourisseau , Hau-Tieng Wu , Zhou Zhou

The Synchrosqueezing transform is a time-frequency analysis method that can decompose complex signals into time-varying oscillatory components. It is a form of time-frequency reassignment that is both sparse and invertible, allowing for the…

计算工程、金融与科学 · 计算机科学 2014-05-01 Gaurav Thakur

Recently the synchrosqueezed transform (SST) was developed as an empirical mode decomposition (EMD)-like tool to enhance the time-frequency resolution and energy concentration of a multi-component non-stationary signal and provides more…

数值分析 · 数学 2020-12-29 Charles K. Chui , Qingtang Jiang , Lin Li , Jian Lu
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