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Computing Chebyshev Window Sequences
Chebyshev windows (also called Dolph-Chebyshev, or Tchebyschev windows), have several useful properties. Those windows, unlike the fixed Hanning, Hamming, or Blackman window functions, have adjustab...
posted by Rick Lyons on Jan 7 2008 under Academia / Research | Tips and Tricks | DSP on the Web Comments (9) |
Benford's law solved with DSP
I have a longtime interest in the mystery of 1/f noise. A few years ago I came across Benford’s law, another puzzle that seemed to have many of the same characteristics. Suppose you collect a la... 
posted by Steve Smith on Feb 22 2008 under Academia / Research Comments (4) |
Time Machine, Anyone?
Abstract: Dispersive linear systems with negative group delay have caused much confusion in the past. Some claim that they violate causality, others that they are the cause of supe... 
posted by Andor Bariska on Mar 7 2008 under Matlab | Academia / Research Comments (5) |
Accelerating Matlab DSP Code on the GPU
Intrigued by GPUs, I've spent a few days testing out Jacket, an interface that lets you accelerate MATLAB (my favorite, if frustrating language) on NVIDIA GPUs. It's definitely got some caveats. B... 
posted by Seth Benton on Mar 25 2010 under Matlab | Academia / Research | Design Methodolgies | GPGPU | Imaging Comments (2) |
Waveforms that are their own Fourier Transform
Mea Culpa There are many scary things about writing a technical book. Can I make the concepts clear? It is worth the effort? Will it sell? But all of these pale compared to the biggest fear: What...
posted by Steve Smith on Jan 16 2008 under Academia / Research Comments (9) |
ES Week Emphasis on Component Based Design
Howdy everyone from beautiful Salzburg/Austria,A week full of presentations on embedded systems at ESWeek was quite a mindful. Similar to most academic conferences, there was only a few papers worth t... 
posted by Praveen Raghavan on Oct 7 2007 under Academia / Research | Design Methodolgies Comments (0) |
Discrete 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) |
Music/Audio Signal Processing
Greetings,This is my blog from the point of view of a music/audio DSP research engineer / educator. It is informal and largely nontechnical because nearly everything I have to say about signal proces... 
posted by Julius Orion Smith III on Sep 5 2008 under Audio DSP | Academia / Research Comments (3) |
GPGPU DSP
Greetings dear readers and welcome to my inaugural blog posting! I'm new to this blogging thing so I hope there is a grace period while I get acclimated. Before I jump into the meat of thi... 
posted by Shehrzad Qureshi on Jan 15 2010 under Academia / Research | GPGPU Comments (1) |
Why is Fourier transform broken
Every engineer who took a basic signal processing course is familiar with the Gibbs phenomenon, however, not all know why it occurs, I mean really why! The answer lies in the mathematical background ... 
posted by Sami Al Dalahmah on Oct 4 2011 under Academia / Research Comments (2) |