Butterworth filtering as reading

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Virginia 2014-1-23

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https://ww2.mathworks.cn/matlabcentral/answers/113360-butterworth-filtering-as-reading

回答： Abhishek Ballaney 2018-2-12

Hello, so, I already know how to implement a Butterworth filter and use it for some stored data. However, now I will have some data comming in my computer by network and I would like to filter it as I am receving it, in order to be able to process it online. This seems quite easy in simulink, but I do not know how to do it in matlab code. The function request to have a signal of at least 6 samples, so my only idea is to create a buffer with the last 5 samples, take the incomming one (6th), and filter the buffer... any other idea would be very much appreciated. Thank you!

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ANJALI KUMARI 2018-2-10

Can you tell me how to implement Butterworth filter and use it for some stored data?Actually, i have generated the code using filter design and analysis toolbox by setting all the frequencies and order and generated the code but I am not able to understand how to apply that function for my stored data?

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