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Improve your root-mean calculations

Posted: 04 Feb 2006     Print Version  Bookmark and Share

Keywords:recursive algorithm  real-time digital system  root-mean 

Real-time digital systems often require the calculation of a root-mean, such as a root-mean square (RMS) level or average magnitude of a complex signal.

In this article, three efficient recursive algorithms for computing the root-mean will be presented, each method illustrated with signal flow diagrams and example code. To some degree, each of these methods trades hardware complexity for error. I'll compare the computational performance and error of each method and suggest suitable hardware for each implementation.

View the PDF document for more information.




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