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# DSP - Digital Signal Processing - Blogs

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# Almost 50,000 Members!

I am very happy to announce that DSPRelated.com will reach the 50,000 registered members mark before the end of 2009. To celebrate this milestone, I will buy a BMW 5 to the 50,000th person to register...

posted by Stephane Boucher on Nov 26 2009 under DSPRelated

# On the History of the DFT (fft) Algorithms

In dsp and many other areas of science and engineering, the Fourier transform is an indispensable tool. One of the major reasons for this is the availability of regular and fast algorithms for approxi...

posted by Duraisamy Sundararajan on Nov 11 2009

# Deesspee #5

Deesspee #5 - Computers ...

posted by Peter Kootsookos on Sep 16 2009 under Basics

# Using Mason's Rule to Analyze DSP Networks

There have been times when I wanted to determine the z-domain transfer function of some discrete network, but my algebra skills failed me. Some time ago I learned Mason's Rule, which helped me sol...

posted by Rick Lyons on Aug 31 2009 under Tips and Tricks

# DSPRelated faster than ever!

if you are visiting DSPRelated.com on a regular basis, you should observe that the site loads significantly faster in your browser than it used to, especially if you are in Europe or in Asia.  Th...

posted by Stephane Boucher on Mar 2 2009 under DSPRelated

# The Nature of Circles

What do you mean? When calculating the mean of a list of numbers, the obvious approach is to sum them and divide by how many there are. Suppose I give you a list of two numbers: 0 359 What i...

posted by Peter Kootsookos on Feb 21 2009 under Academia / Research | Tips and Tricks

# Simultaneously Computing a Forward FFT and an Inverse FFT Using a Single FFT

Most of us are familiar with the processes of using a single N-point complex FFT to: (1) perform a 2N-point FFT on real data, and (2) perform two independent N-point FFTs on real data [1–5]. I...

posted by Rick Lyons on Jan 13 2009 under Tips and Tricks

# Multiplierless Exponential Averaging

This blog discusses an interesting approach to exponential averaging. To begin my story, a traditional exponential averager (also called a "leaky integrator"), shown in Figure 1(a), is commonly used...

posted by Rick Lyons on Dec 5 2008 under Tips and Tricks

# Free DSP Books on the Internet - Part Deux

Since Stephane Boucher posted my "Free DSP Books on the Internet" blog here in February 2008, I have learned of additional books on the Internet that are related to signal processing. I list those ...

posted by Rick Lyons on Dec 4 2008 under DSP on the Web