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RSS FeedDiscrete Wavelet Transform Filter Bank Implementation (part 1)
UPDATE: Added graphs and code to explain the frequency division of the branches The focus of this article is to briefly explain an implementation of this transform and several filter bank forms. Th...
posted by David Valencia on Oct 27 2010 under Matlab | Basics | Academia / Research | Tips and Tricks | Multirate DSP | wavelet Comments (0) |
Personal presentation and greetings
Hello fellow DSPrelated readers! First of all, my name is David Valencia, I live in Mexico City and study in the Instituto Politécnico Nacional [IPN] (or National Polytechnic Institu...
posted by David Valencia on Oct 27 2010 Comments (0) |
Least-squares magic bullets? The Moore-Penrose Pseudoinverse
Hello, the topic of this brief article is a tool that can be applied to a variety of problems: The Moore-Penrose Pseudoinverse.While maybe not exactly a magic bullet, it gives us least-squares optima... 
posted by Markus Nentwig on Oct 24 2010 under Matlab | Basics | Tips and Tricks Comments (5) |
New Code Sharing Section & Reward Program for Contributors!
UPDATE (11/02/2010): The code section is now live. UPDATE 2 (01/31/2011): The reward program has changed. A flat fee of $20 per code snippet submitted will now be paid. ______________... 
posted by Stephane Boucher on Oct 15 2010 under DSPRelated Comments (12) |
Fitting Filters to Measured Amplitude Response Data Using invfreqz in Matlab
This blog post has been moved to the code snippet section and can now be found HERE. Please update your bookmark. Thanks! ... 
posted by Julius Orion Smith III on Oct 11 2010 under Audio DSP | Matlab | Design Methodolgies Comments (1) |
Radio Frequency Distortion Part II: A power spectrum model
Summary This article presents a ready-to-use model for nonlinear distortion caused by radio frequenfcy components in wireless receivers and linear transmitters. Compared to the similar model pre...
posted by Markus Nentwig on Oct 11 2010 under Matlab | Wireless | Communication Comments (1) |
Understanding Radio Frequency Distortion
Overview The topic of this article are the effects of radio frequency distortions on a baseband signal, and how to model them at baseband. Typical applications are use as a simulation model or i...
posted by Markus Nentwig on Sep 26 2010 under Basics | Wireless | Communication Comments (0) |
Computing FFT Twiddle Factors
Some days ago I read a post on the comp.dsp newsgroup and, if I understood the poster's words, it seemed that the poster would benefit from knowing how to compute the twiddle factors of a radix-2 fa... 
posted by Rick Lyons on Aug 7 2010 under Tips and Tricks Comments (1) |
Knowledge Mine for Embedded Systems
I stumbled upon a great website (actually I found it on the google ads in gmail!) with comprehensive and deep information on embedded systems. The website talks about four main categorie... 
posted by Sami Al Dalahmah on Jun 25 2010 under Basics | Design Methodolgies | DSP on the Web Comments (1) |
Hidden Linear Algebra in DSP
Linear algebra (LA) is usually thought of as a blunt theoretical subject. However, LA is found hidden in many DSP algorithms used widely in practice. An obvious clue in finding LA in DSP is the linea...
posted by Sami Al Dalahmah on Jun 17 2010 under Basics | Academia / Research | Tips and Tricks Comments (4) |