Stract error line 91 and not recognizing the variable
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I have the script below to get the figures of the amplitudes but I got many errors as mentioned in the title when importing the data from text file:
close all;clear;clc;
% Data_Chan1.txt --- x-dirention displacement signal
% Data_Chan2.txt --- y-dirention displacement signal
% Data_Chan3.txt --- y-acceleration signal
% Data_Chan4.txt --- z-acceleration signal
% modify the path to the file to be analysed
path = 'rub-impact/group1/900rpm/Throughput/Data_Chan1.txt');
time=DataChan1(:,1); % time sequency
x=DataChan1(:,2); % displacement signal sequency (x, y, or keyphasor, here is x)
fs=10240; % samling freuency
% plot time waveform
figure
plot(t,x)
% plot spectrum
figure
plotfft(x,fs,'b')
% modify the path to the file to be analysed
path_2=load('rub-impact/group1/900rpm/Throughput/Data_Chan2.txt');
data=path(2:end,1:2);
t=data(:,1); % time sequency
y=data(:,2); % displacement signal sequency (x, y, or keyphasor, here is y)
% plot time waveform
figure
plot(t,y)
% plot spectrum
figure
plotfft(y,fs,'b')
% modify the path to the file to be analysed
path_3=load('rub-impact/group1/900rpm/Throughput/Data_Chan3.txt');
data=path_3(2:end,1:2);
t=data(:,1); % time sequency
y=data(:,2); % displacement signal sequency (x, y, or keyphasor, here is y)
% plot time waveform
figure
plot(t,y)
% plot spectrum
figure
plotfft(y,fs,'b')
% modify the path to the file to be analysed
path_4=load('rub-impact/group1/900rpm/Throughput/Data_Chan4.txt');
data=path_4(2:end,1:2);
t=data(:,1); % time sequency
z=data(:,2); % displacement signal sequency (x, y, z or keyphasor, here is z)
% plot time waveform
figure
plot(t,z)
% plot spectrum
figure
plotfft(z,fs,'b')
% plot keyphasor signal
path=load('rub-impact/group1/900rpm/Throughput/Data_Chan1.txt');
keyphasor=path(:,2); % displacement signal sequency (x, y, or keyphasor, here is keyphasor)
figure
plot(t,keyphasor)
% plot the orbit
path=load('rub-impact/group1/900rpm/Throughput/Data_Chan2.txt');
y=data(:,2); % displacement signal sequency (x, y, or keyphasor, here is y)
figure
plot(x,y)
in the script input1 used the codes below:
DataChan12 = importDataChanfile('Data_Chan12.txt');
size(DataChan12)
data=DataChan12(2:end,1:2);
size(data)
Thanks
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Risposta accettata
Voss
il 14 Gen 2022
Is something like this what you're trying to do?
DataChan1 = importDataChanfile('Data_Chan1.txt');
t=DataChan1{:,1}; % time sequency
x=DataChan1{:,2}; % displacement signal sequency (x, y, or keyphasor, here is x)
fs=10240; % samling freuency
% plot time waveform
figure
plot(t,x)
% plot spectrum
figure
plotfft(x,fs,'b')
% modify the path to the file to be analysed
data = importDataChanfile('Data_Chan2.txt');
t=data{:,1}; % time sequency
y=data{:,2}; % displacement signal sequency (x, y, or keyphasor, here is y)
% plot time waveform
figure
plot(t,y)
% plot spectrum
figure
plotfft(y,fs,'b')
% modify the path to the file to be analysed
data = importDataChanfile('Data_Chan3.txt');
t=data{:,1}; % time sequency
y=data{:,2}; % displacement signal sequency (x, y, or keyphasor, here is y)
% plot time waveform
figure
plot(t,y)
% plot spectrum
figure
plotfft(y,fs,'b');
% modify the path to the file to be analysed
data = importDataChanfile('Data_Chan4.txt');
t=data{:,1}; % time sequency
z=data{:,2}; % displacement signal sequency (x, y, z or keyphasor, here is z)
% plot time waveform
figure
plot(t,z)
% plot spectrum
figure
plotfft(z,fs,'b')
% % plot keyphasor signal
% path=load('rub-impact/group1/900rpm/Throughput/Data_Chan1.txt');
% keyphasor=path(:,2); % displacement signal sequency (x, y, or keyphasor, here is keyphasor)
% figure
% plot(t,keyphasor)
% % plot the orbit
% path=load('rub-impact/group1/900rpm/Throughput/Data_Chan2.txt');
% y=data(:,2); % displacement signal sequency (x, y, or keyphasor, here is y)
% figure
% plot(x,y)
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