Signal Processing for geologists and geophysicists

Developer: ODYSYS SARL

Category: Education

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100 installs

2.00 ratings

1.00 monthly active users

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Signal Processing for geologists and geophysicists Summary

Signal Processing for geologists and geophysicists is a mobile iOS app in Education by ODYSYS SARL. Released in Mar 2012 (14 years ago). It has 2.00 ratings with a 5.00★ (excellent) average. Based on AppGoblin estimates, it reaches roughly 1.00 monthly active users . Store metadata: updated Sep 19, 2016.

Store info: Last updated on App Store on Sep 19, 2016 .

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App Details

Store ID: 509996063

First Released: 2012-03-19

Store Last Updated: 2016-09-19

In-App Purchases: No

Ads: No

Website: apple.com

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AppGoblin First Crawled: 2021-02-06

AppGoblin Last Crawled: 2026-04-07

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App Description

ABOUT THIS COURSE

This course introduces signal processing tools currently used in geophysics. It has been elaborated both from the book "Signal processing for geologists and geophysicists" (J.L. Mari, F. Glangeaud, F. Coppens, 1999) and from the CD "Signal processing in geosciences" (F. Glangeaud ,J.L. Mari, 2000).

For signal processing specialists, it will be a source of how classical or new theories can be applied to field data.Teaching staff should find it provides a means of tackling the teaching signal processing techniques.

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FOREWORD

This on line course presents a succession of lessons classed by theme. The different themes that are tackled are:

• The Fourier Transformation
• Common functions in spectral analysis
• Sampling
• Correlation
• Wave separation
• Seismic applications
• The Hilbert transformation
• Filtering
• Near Surface Geophysics
• Stochastic Signal Processing
• Attributes

Each theme has an introduction and a series of lessons which are associated with it. A lesson comprises of text, a video, a formulary, if judged necessary, and in some cases an applet to practice.

• The text present has been voluntarily reduced; its objective is put across by the animation. This objective may be the presentation of a specific transform used in signal processing and applied in seismic processing. The term "transform" is used here in a very general sense. It covers at times the notion of transformation, such as the Fourier transformation or filters such as the Wiener filter. The objective perhaps being to show the application of a "transform" on simulated synthetic data or on real acquired geophysical data.

• The video is an illustration of the text. It permits a visualization of the data, to study the influence of processing parameters on the data. The images were conceived in a manner which permits an immediate visual comparison and that enables an evaluation of the influence of a parameter change on the data processing. If an applet is associated with the video, some parameters can be modified by moving the cursors, the calculations taking place in real time.

• The formulary gives the mathematical formula used in the animation. The reader is invited to use the book cited above as a reference for the notations used and the demonstrations. The formulary should be considered as a simple memory aid.

The videos a