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RSS FeedDiscrete Wavelet Transform Filter Bank Implementation (part 2)
Following the previous blog entry: http://www.dsprelated.com/showarticle/115.php Difference between DWT and DWPT Before getting to the equivalent filter obtention, I first want to talk about the dif...
posted by David Valencia on Dec 5 2010 under Matlab | Basics | Academia / Research | wavelet Comments (7) |
Latest DSP Books
As you may already know, Rick Lyons has just published a new edition of his highly acclaimed book: "Understanding Digital Signal Processing". This book has been getting very high ratings a... 
posted by Stephane Boucher on Dec 1 2010 under DSPRelated Comments (0) |
Half-band filter on Xilinx FPGA
1. DSP48 Slice in Xilinx FPGA There are many DSP48 Slices in most Xilinx® FPGAs, one DSP48 slice in Spartan6® FPGA is shown in Figure 1, the structure may different depending o... 
posted by Lyons Zhang on Nov 30 2010 under FPGA | Verilog Comments (5) |
State Space Representation and the State of Engineering Thinking
Most, if not all, textbooks in signal processing (SP) thoroughly covers the frequency analysis of signals and systems alike, including the Fourier and the Z-transform that produce the well known Trans... 
posted by Sami Al Dalahmah on Nov 23 2010 under Basics | Academia / Research Comments (2) |
"Neat" Rectangular to Polar Conversion Algorithm
The subject of finding algorithms that estimate the magnitude of a complex number, without having to perform one of those pesky square root operations, has been discussed many times in the past on t... 
posted by Rick Lyons on Nov 15 2010 under Tips and Tricks Comments (5) |
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) |
Improved Narrowband Lowpass IIR Filters
Here's a neat IIR filter trick. It's excerpted from the "DSP Tricks" chapter of the new 3rd edition of my book "Understanding Digital Signal Processing". Perhaps this trick will be of some value to ...
posted by Rick Lyons on Nov 6 2010 under Tips and Tricks Comments (1) |
A multiuser waterfilling algorithm
Hello,this blog entry documents a code snippet for a multi-user waterfilling algorithm. It's heuristic and relatively straightforward, making it easy to implement additional constraints or rules.I rew... 
posted by Markus Nentwig on Nov 5 2010 under Wireless | Communication Comments (0) |
Code Snippets Section Now LIVE
The new code sharing section is now live and can be accessed HERE. Please take a few minutes to rate and/or comment the snippets that you have the expertise to judge. If you think of some code sn...
posted by Stephane Boucher on Nov 2 2010 under DSPRelated Comments (1) |
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) |