How to separate a signal into 4 second segments?
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Lets say I have an ECG signal and I want to separate it 4 second segments. How to do it in MATLAB?
% MATLAB Code
load ('C:\Users\Explorer\Documents\MATLAB\PhysioNet_Database\Malignant_Ventricular_Ectopy_Database\418m.mat');
signal=val(1,:);
plot(signal)
xlabel('Time')
ylabel('Voltage')
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Walter Roberson
2016 年 1 月 26 日
If you have the signal processing toolbox, see buffer(), provided the signals are equally spaced in time.
3 件のコメント
Star Strider
2016 年 1 月 27 日
The Physionet EKGs are all sampled at constant time intervals, but the intervals are different in different records. The sampling frequencies and other data for each record are all available in the database.
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