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Basic Concepts in Digital Signal Processing for Seismologists

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Digital signal processing has become more and more an integral part of observational seismology. While it offers unprecedented power in extracting information from seismic signals, it comes at the price of having to learn a variety of new skills. Dealing with digital seismic data requires at least a basic understanding of digital signal processing. Taking the calculation of true ground motion as the guiding problem, this course covers the basic theory of linear systems, the design and analysis of simple digital filters, the effect of sampling and A/D conversion and an introduction to spectral analysis of digital signals. It contains a number of examples and exercises that can be reproduced using the PITSA software package (Scherbaum and Johnson 1993) or similar programs.

Author(s): Frank Scherbaum
Series: Lecture Notes in Earth Sciences
Edition: 1
Publisher: Springer
Year: 1996

Language: English
Pages: 158

front-matter......Page 1
1Introduction......Page 9
2RC filter......Page 20
3General linear time invariant systems......Page 36
4The seismometer......Page 45
5The sampling process......Page 62
6Analog to digital conversion......Page 66
7From infinitely continuous to finite discrete......Page 79
9Deconvolution, a glimpse ahead......Page 93
back-matter......Page 98