How do a filter a specific frequency for a set of data?

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keith lin 2013-6-5

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Let's say I have a .mat data file it is filled up with noise at 60hz, how do I filter them away?

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Honglei Chen 2013-6-6

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The example in the following reference page may be a good start

http://www.mathworks.com/help/dsp/ref/iirnotch.html

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Signal Processing Signal Processing Toolbox Transforms, Correlation, and Modeling Transforms Discrete Fourier and Cosine Transforms Fast Fourier Transforms

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