How effective is the signal denoising using the MATLAB based wavelet analysis
We see how to download seismic waveforms, convert them into mat format from mini-seed and then perform deno...
Utpal Kumar, PhD
Earth Inversion
Computational Seismology, Scientific Software, and Data-Driven Infrastructure Monitoring
Technical writing on geophysical pipelines, scalable data analysis, and reproducible research engineering.
- 133+ Published Posts
- 10 Topic Categories
- 2026-02-19 Updated This Year
Research
Peer-reviewed work in seismology, structural health monitoring, and large-scale inversion.
Data Analysis
End-to-end workflows for high-volume scientific data: ingestion, QC, feature extraction, and modeling.
Web Computing
Cloud and web platforms for real-time sensing, visualization, and operational analytics.
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Recent posts
Recent technical articles on seismic analytics, scientific computing, numerical modeling, and production data workflows.
How to securely send data from local client to remote server using paramiko (codes included)
Paramiko module can be used in Python to securely send data from the local client to the remote server. It is analogous to the SSH and SCP in Linux.
Towards multi-resolution analysis with wavelet transform
We will learn the basic concepts of wavelet tranform and multi-resolution analysis starting from the Fourier Transform, and Gabor Transform.
Empirical orthogonal function analysis to inspect the spatial coherency in the geospatial data (codes included)
Empirical Orthogonal Functions analysis decomposes the continuous space-time field into a set of orthogonal spatial patterns along with a set of associated u...
Concatenating daily seismic traces into one miniseed file (codes included)
I concatenate the daily seismic traces for 15 days into one miniseed file for further analysis. Then I obtained the spectrogram of the 15 days seismic data. ...
Computing cross-correlation and spectrogram of two seismic traces (codes included)
Read the seismic traces from the miniseed files and compute the cross-correlation and spectrogram
Principal component analysis to decompose signals and reduce dimensionality (codes included)
We will learn the basics of Fourier analysis and implement it to remove noise from the synthetic and real signals
Signal denoising using fourier analysis in python (codes included)
We will learn the basics of Fourier analysis and implement it to remove noise from the synthetic and real signals
Analyzing miniseed seismic data in matlab (codes included)
We will learn how to convert a mseed data file into mat format and then read and analyze it using MATLAB
Transfer learning applied on the unsplash data using alexnet pretrained network (codes included)
Transfer learning using the pre-trained deep learning networks from MATLAB can be easily implemented to achieve fast and impressive results
Getting familiar with pytorch data structures (codes included)
In this introduction to the concepts of Pytorch data structures, we will learn about how to create and reshape tensors using Pytorch and compare it with the ...
How to analyze a huge data file with pandas (codes included)
We learn how to read huge csv file containing time series data by breaking it into chunks and then visualizing it with matplotlib
Pyqt5 application for visualizing ambient sound in real-time (codes included)
A PyQt5 application for retrieving and visualizing sound waveforms in real time. Codes included.
How to securely send data from local client to remote server using paramiko (codes included)
Paramiko module can be used in Python to securely send data from the local client to the remote server. It is analogous to the SSH and SCP in Linux.
Towards multi-resolution analysis with wavelet transform
We will learn the basic concepts of wavelet tranform and multi-resolution analysis starting from the Fourier Transform, and Gabor Transform.
Empirical orthogonal function analysis to inspect the spatial coherency in the geospatial data (codes included)
Empirical Orthogonal Functions analysis decomposes the continuous space-time field into a set of orthogonal spatial patterns along with a set of associated u...
Concatenating daily seismic traces into one miniseed file (codes included)
I concatenate the daily seismic traces for 15 days into one miniseed file for further analysis. Then I obtained the spectrogram of the 15 days seismic data. ...
Computing cross-correlation and spectrogram of two seismic traces (codes included)
Read the seismic traces from the miniseed files and compute the cross-correlation and spectrogram
Principal component analysis to decompose signals and reduce dimensionality (codes included)
We will learn the basics of Fourier analysis and implement it to remove noise from the synthetic and real signals
Signal denoising using fourier analysis in python (codes included)
We will learn the basics of Fourier analysis and implement it to remove noise from the synthetic and real signals
Analyzing miniseed seismic data in matlab (codes included)
We will learn how to convert a mseed data file into mat format and then read and analyze it using MATLAB
Transfer learning applied on the unsplash data using alexnet pretrained network (codes included)
Transfer learning using the pre-trained deep learning networks from MATLAB can be easily implemented to achieve fast and impressive results
Getting familiar with pytorch data structures (codes included)
In this introduction to the concepts of Pytorch data structures, we will learn about how to create and reshape tensors using Pytorch and compare it with the ...
How to analyze a huge data file with pandas (codes included)
We learn how to read huge csv file containing time series data by breaking it into chunks and then visualizing it with matplotlib
Pyqt5 application for visualizing ambient sound in real-time (codes included)
A PyQt5 application for retrieving and visualizing sound waveforms in real time. Codes included.