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

7 views (last 30 days)

Show older comments

keith lin on 5 Jun 2013

0
Link

Direct link to this question

https://nl.mathworks.com/matlabcentral/answers/78143-how-do-a-filter-a-specific-frequency-for-a-set-of-data

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

0 Comments
Show -2 older commentsHide -2 older comments

Sign in to comment.

Sign in to answer this question.

Answers (1)

Honglei Chen on 6 Jun 2013

0
Link

Direct link to this answer

https://nl.mathworks.com/matlabcentral/answers/78143-how-do-a-filter-a-specific-frequency-for-a-set-of-data#answer_87925

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

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

0 Comments
Show -2 older commentsHide -2 older comments

Sign in to comment.

Sign in to answer this question.

Categories

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

Find more on Fast Fourier Transforms in Help Center and File Exchange

Tags

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!