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how can I apply low pass filter to a time series data

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Rizwana Junaid
Rizwana Junaid 2014-9-16
评论： Rick Rosson 2014-9-17
hi i have a set of random data which is actually a time series data stored in a file. i want to apply low pass filter or high pass filter to such stored data. can anyone please tell me the method to do this work.

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Rick Rosson
Rick Rosson 2014-9-16
>> doc fdatool
>> doc filter
>> doc designfilt

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Chad Greene
Chad Greene 2014-9-16
If you have the signal processing toolbox, this makes the process a little bit easier: http://www.mathworks.com/matlabcentral/fileexchange/38584-butterworth-filters

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