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Christopher Felton's DSP Blog
Christopher Felton's current favorite projects are implementing DSP digital circuits with MyHDL for FPGAs. More information @ LinkedIn. Follow @FeltonChris
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RSS FeedPython scipy.signal IIR Filtering: An Example
Introduction In the last posts I reviewed how to use the Python scipy.signal package to design digital infinite impulse response (IIR) filters, specifically, using the iir...
posted by Christopher Felton on May 19 2013 under Audio DSP | FPGA | Basics | Tips and Tricks | Python Comments (0) |
Python scipy.signal IIR Filter Design Cont.
In the previous post the Python scipy.signal iirdesign function was disected. We reviewed the basics of filter specification and reviewed how to use the iirdesign function to design IIR filter...
posted by Christopher Felton on Jun 19 2012 under Basics | Python Comments (7) |
Python scipy.signal IIR Filter Design
Introduction The following is an introduction on how to design an infinite impulse response (IIR) filters using the Python scipy.signal package. This post, mainly, covers how to use the scipy...
posted by Christopher Felton on May 13 2012 under Basics | Python Comments (4) |
Curse you, iPython Notebook!
First, I think ipython is great. I use it daily and always have an ipython terminal open. But just recently, I was showing off the ipython 0.12 notebook and in the process created a ...
posted by Christopher Felton on May 1 2012 under Basics | Python Comments (4) |
scipy.signal calling all developers
There has been some chatter on the scipy-dev mailing list lately about enhancing the scipy.signal package. Unfortunately, there seems to be a split. Some are going off and starting a new p...
posted by Christopher Felton on Jan 19 2012 Comments (2) |
[Book Review] Numpy 1.5 Beginner's Guide
Full Disclosure: The publisher of this book, PACKT, was soliciting reviewers. I volunteered to review the book and the publisher sent me an e-version of the book. Introduction The followin...
posted by Christopher Felton on Jan 7 2012 under Basics | Python Comments (0) |
Python number crunching faster? Part I
Everyone has their favorite computing platform, regardless if it is Matlab, Octave, Scilab, Mathematica, Mathcad, etc. I have been using Python and the common numerical and scientific packages a...
posted by Christopher Felton on Sep 17 2011 under Matlab | Basics | DSP on the Web | Python Comments (4) |
Impulse Response Approximation
Recently, I stumbled upon a stepped-triangular (ST) approximation that can be implemented as a cascade of recursive running sum (RRS) filters. The following is a short introduction to the steppe...
posted by Christopher Felton on Aug 5 2011 under Tips and Tricks Comments (3) |
A Fixed-Point Introduction by Example
Fixed-point is used to represent fractional numbers of finite-word length. Fixed-point is an interpretation of a 2's compliment number usually signed but not limited to sign representation. &nbs...
posted by Christopher Felton on Apr 25 2011 under FPGA | Basics Comments (13) |
Matlab Programming Contest
Every 6 months Mathworks hosts an online Matlab programming contest. If you love or hate Matlab check out the contest. The group does a really good job putting together the puzzles. ...
posted by Christopher Felton on Nov 10 2010 under Matlab | Basics Comments (1) |
