Plotting ECG signals

Question

UCTI 2011-5-5

0
链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/6878-plotting-ecg-signals

hi, can anyone teach me how to plot an ECG signals in time domain and transforming it into frequency domain in MATLAB? this ECG signals is corrupted by noise, therefore, a stable filter needs to be used. How to design this filter that can filter out the noise and plotting its magnitude response as well??

please help me, your help is much appreciated.

PS, where to find a corrupted ECG signals?? any links or help??

0 个评论
显示 -2更早的评论隐藏 -2更早的评论

请先登录，再进行评论。

请先登录，再回答此问题。

Answer 1

Paulo Silva 2011-5-5

0
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/6878-plotting-ecg-signals#answer_9390

在 MATLAB Online 中打开

doc fft %the documentation example is very good

Good filtering example

ECG generator

Very simple example how to add noise to a wave:

t=0:0.1:10; %from 0 to 10 seconds, sampling 0.1 seconds
y=sin(t); %measured amplitude
n=0.1*rand(1,numel(t)); %noise to add
plot(x,y+n)

3 个评论
显示 1更早的评论隐藏 1更早的评论

mitul Tailor 2011-6-27

Hi Paulo,

I am having real time ecg data with inbuilt noise in it. how can i implement above filter in this? i am confused.

Paulo Silva 2011-6-27

sorry but I have no idea how to deal with real time data, please search for that subject here on MATLAB Answers or the Newsgroup and if you still cannot find the correct answer you should post a new question

请先登录，再进行评论。