Help to verify obtained plots from .txt file data.

Question

Angel Lozada 2023-5-19

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https://ww2.mathworks.cn/matlabcentral/answers/1968029-help-to-verify-obtained-plots-from-txt-file-data

评论： Rik 2023-5-20

Hello.

I would like know if someone could help me to verify if my code and the results that I got are right regarding to plot data from .txt file.

Attached will find a zip file containing the .txt file.

Also will find a .pdf file containing:

Page 1 the expected plot and page 2 the obtained one. Here the expected and obtained one is matched. However there is a difference between page 3 (expected results) and page 4 (obtained results).

Any suggestion is more than welcome.

Here is my code

unzip('Data 2.zip'),movefile('Data 2.txt','10_03_2012_Modificado.txt')

clear;

data = readmatrix('10_03_2012_Modificado.txt');

T = data(:,1);

T2 = data(:,2);

figure; % Place "figure" in this section allow to plot this data in a separate window.

plot (T,T2,'x');

title 'Emitted Signal from NAA Station';

ylabel ('Phase');

xlabel ('Samples');

T = data(:,1);

T3 = data(:,3);

figure;

plot (T,T3,'x');

title 'Emitted Signal from NAA Station';

ylabel ('Apmlitude');

xlabel ('Samples');

Regards.

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Rik 2023-5-19

There doesn't really seem a difference, other than the axis limits and the fact your second plot has markers instead of a moving average line. Can you point out what is so different?

PS, please use the layout tools yourself. That way we can immediately see the results of your code, without having to open your pdf.

Angel Lozada 2023-5-19

Dear Rik

Thanks for your soon reply.

Regardring you question, I was thiking to obtain a plot in page 4 similar to page 3 as I got it between page 1 and 2. However, as you point out, the difference in second plot is the moving average line.

Regarding your PS, I do not know that you mean about "please use the layout tools yourself". Could you explain me please?

Regards.

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