Spectrogram as an emerging tool in ECG signal processing

V Gupta, M Mittal, V Mittal, NK Saxena - Recent Advances in Manufacturing …, 2022 - Springer
These days signal processing has the great importance in extracting important pathological
attributes of the subject (patient). This paper covers important aspects of Electrocardiogram …

[КНИГА][B] Time-frequency analysis of seismic signals

Y Wang - 2022 - books.google.com
A practical and insightful discussion of time-frequency analysis methods and technologies
Time–frequency analysis of seismic signals aims to reveal the local properties of …

The identities of n-dimensional s-transform and applications

R Ranjan, N **dal, AK Singh - Multimedia Tools and Applications, 2022 - Springer
The Stockwell transform is a signal processing tool based on Fourier transform (FT) with a
specific window function. The important properties of 1-dimensional (1-D) and 2 …

Image encryption using discrete orthogonal Stockwell transform with fractional Fourier transform

R Ranjan, A Thakur - Multimedia Tools and Applications, 2023 - Springer
In this article, a new image encryption algorithm has been proposed for image security. This
algorithm is created with discrete orthogonal Stockwell transform (DOST) and fractional …

Convolution based quadratic-phase Stockwell transform: theory and uncertainty relations

AH Dar, MY Bhat - Multimedia Tools and Applications, 2024 - Springer
In the field of optics and signal processing, the novel quadratic-phase Fourier transform
(QPFT) has emerged as a powerful tool. However, it has a drawback as it fails in locating the …

The Synchrosqueezed Method and Its Theory-Analysis-Based Novel Short-Time Fractional Fourier Transform for Chirp Signals

Z Li, Z Gao, L Chen, J Gao, Z Xu - Remote Sensing, 2024 - mdpi.com
Time–frequency analysis is an important tool used for the processing and interpretation of
non-stationary signals, such as seismic data and remote sensing data. In this paper, based …

[HTML][HTML] Research and Design of BPM Shortwave Time Signal Modulation Technology Based on Chirp

J Yuan, S Li, W Yan, Y Song, C Yang, Z Hu, D Yang… - Remote Sensing, 2024 - mdpi.com
The shortwave time service system is a vital land-based wireless time service solution,
serving as a supplement and backup to the global navigation satellite system. It ensures that …

Two-dimensional fractional Stockwell transform

R Kamalakkannan, R Roopkumar - Circuits, Systems, and Signal …, 2022 - Springer
In this paper, we introduce a new two-dimensional fractional Stockwell transform using the
kernel of the coupled fractional Fourier transform. We establish that the two-dimensional …

A novel approach to build a low complexity smart sound recognition system for domestic environment

PP Jesudhas, PV Ranjan - Applied Acoustics, 2024 - Elsevier
Sound Recognition is an important area of research having a prominent role in applications
related to acoustic scene recognition, noise level monitoring, and voice-enabled …

Special affine stockwell transform: Theory, uncertainty principles and applications

AH Dar, MY Bhat - International Journal of Wavelets, Multiresolution …, 2024 - World Scientific
In this paper, we combine the benefits of the well-known special affine Fourier and Stockwell
transforms into a novel integral transform dubbed as special affine Stockwell transform and …