Sparsely localized time-frequency energy distributions for multi-component LFM signals
SS Moghadasian, S Gazor - IEEE Signal Processing Letters, 2019 - ieeexplore.ieee.org
This letter presents a high resolution method which separates close components of a multi-
component linear frequency modulated (LFM) signal and eliminates their Cross-Terms …
component linear frequency modulated (LFM) signal and eliminates their Cross-Terms …
LFM signal optimization time-fractional-frequency analysis: Principles, method and application
Y Guo, LD Yang - Digital Signal Processing, 2022 - Elsevier
The classical time-frequency analysis method is not the optimal signal representation
method for LFM signal, fractional Fourier transform (FRFT) can represent signal from any …
method for LFM signal, fractional Fourier transform (FRFT) can represent signal from any …
Analysis of multi-component non-stationary signals using Fourier-Bessel Transform and Wigner Distribution
RB Pachori, P Sircar - 2006 14th European Signal Processing …, 2006 - ieeexplore.ieee.org
We present a new method for time-frequency representation (TFR), which combines the
Fourier-Bessel (FB) transform and the Wigner-Ville distribution (WVD). The FB transform …
Fourier-Bessel (FB) transform and the Wigner-Ville distribution (WVD). The FB transform …
A fast algorithm for multi-component LFM signal analysis exploiting segmented DPT and SDFrFT
This paper addresses the problem of estimating the chirp rates of multi-component linear
frequency modulated signals, which is important in radar, sonar and navigation signal …
frequency modulated signals, which is important in radar, sonar and navigation signal …
Robust time–frequency analysis of multiple FM signals with burst missing samples
In this letter, we consider the sparsity-based time-frequency representation (TFR) of
frequency-modulated (FM) signals in the presence of burst missing samples. In the …
frequency-modulated (FM) signals in the presence of burst missing samples. In the …
Time-frequency representation based on an adaptive short-time Fourier transform
J Zhong, Y Huang - IEEE Transactions on Signal Processing, 2010 - ieeexplore.ieee.org
In this paper, a new concise algorithm about time-frequency representation (TFR) based on
an adaptive short-time Fourier transform (ASTFT) is presented. In this algorithm, the analysis …
an adaptive short-time Fourier transform (ASTFT) is presented. In this algorithm, the analysis …
A virtual instrument for time-frequency analysis of signals with highly nonstationary instantaneous frequency
This paper presents an open-source virtual instrument for time-frequency analysis. The
purpose is to show the correct practical implementation, and the performance, of a number …
purpose is to show the correct practical implementation, and the performance, of a number …
A Bayesian Filtering Approach with Time-Frequency Representation for Corrupted Dual Tone Multi Frequency Identification.
N Aunsri - Engineering Letters, 2016 - search.ebscohost.com
This paper addresses the identification of the Dual Tone Multiple Frequency (DTMF) signal
from real environments where the signal was corrupted during acquisition and transmission …
from real environments where the signal was corrupted during acquisition and transmission …
Multi‐component instantaneous frequency estimation using locally adaptive directional time frequency distributions
NA Khan, B Boashash - … Journal of Adaptive Control and Signal …, 2016 - Wiley Online Library
This paper presents a locally adaptive time‐frequency (t, f) method for estimating the
instantaneous frequency (IF) of multi‐component signals. A high‐resolution adaptive …
instantaneous frequency (IF) of multi‐component signals. A high‐resolution adaptive …
STFT with adaptive window width based on the chirp rate
An adaptive time-frequency representation (TFR) with higher energy concentration usually
requires higher complexity. Recently, a low-complexity adaptive short-time Fourier transform …
requires higher complexity. Recently, a low-complexity adaptive short-time Fourier transform …