load and plot many .mat files in a loop

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Siriki Kone
Siriki Kone 2022-6-24
评论： Voss 2022-6-25
Hi, i have many .mat files which i would like to plot in the same figure. The problem is my data are not loading in my for loop:
close all
clear all
clc
load('C:\ordner1\ordner2\tc.mat');
Path='C:\ordner1\ordner2\Station_01\hhz';
P=strcat(Path,'\PSDPDFs\1120\') %P=strcat(Path,'\hhe\06\');
S=(fullfile(P,'*.mat'));
AllFiles=dir(S);
for kk=1:5 %numel(AllFiles)
File3=AllFiles(kk).name;
Data = load(File3); %load(strcat(P,File3));
semilogx(tc,Data.Z3)
hold on
end
xlabel('Period (s)')
ylabel('Power 10*log10 (m/s^2)/Hz or dB')
title('PSDPDF diagram containing 1 month of Data composed of 1 Hour segments')
axis tight
hold off
as i said i become an error with the load function:
Error using load
Unable to read file 'PSDPDF1.mat'. No such file or directory.
Error in plot_PSDPDF (line 13)
Data = load(File3); %load(strcat(P,File3));
i try another code by changing load(File3) with load(strcat(P,File3)):
close all
clear all
clc
load('C:\ordner1\ordner2\tc.mat');
Path='C:\ordner1\ordner2\Station_01\hhz';
P=strcat(Path,'\PSDPDFs\1120\') %P=strcat(Path,'\hhe\06\');
S=(fullfile(P,'*.mat'));
AllFiles=dir(S);
for kk=1:5 %numel(AllFiles)
File3=AllFiles(kk).name;
Data=load(strcat(P,File3));
semilogx(tc,Data)
hold on
end
xlabel('Period (s)')
ylabel('Power 10*log10 (m/s^2)/Hz or dB')
title('PSD diagram containing 1 month of Data composed of 1 Hour segments')
axis tight
hold off
i got another error message:
Error using semilogx
Unrecognized property PSDPDF for class Line.
Error in plot_PSDPDF_220624 (line 14)
semilogx(tc,Data)
can someone help me with that

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回答（1 个）

Voss
Voss 2022-6-24
编辑：Voss 2022-6-24
Try it like this
Data=load(strcat(P,File3));
semilogx(tc,Data.Z3)
Somehow you dropped off the .Z3 when you tried this
Data=load(strcat(P,File3));
semilogx(tc,Data)
  2 个评论
Siriki Kone
Siriki Kone 2022-6-25
ooh I forgot to say, i did try it too, i got the following msg:
Unrecognized field name "Z3".
Error in plot_PSDPDF_220624 (line 14)
semilogx(tc,Data.Z3)
Data should actually be my psdpdf (97,1) mat file but instead of that i get this:
Data =
struct with fields:
PSDPDF: [97×1 double]

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