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- clear;
- clc;
-
- fprintf('Fourieranalysis of signals\n\n');
- fprintf('Figuur 1: input and output signals of the Fourierbox\n\n')
-
- fprintf('\nWARNING!This script looks for the file in the working directory.\n\n');
-
- f_name=input('Filenaam: ','s');
-
- freq=input('frequency=1 kHz (j/n): ','s');
- if freq=='n';
- f=input('frequency [Hz]: ');
- else
- f=1000;
- end;
-
-
-
- [data]=dlmread(f_name,' ',0,0);
-
- %cd(wd);
-
- T=1/f;
- t=0:3*T/2500:3*T;
-
- s_data=size(data);
- nr_punt=s_data(2);
-
- signaal_in=data(2500:5000);
- signaal_uit=data(5001:7501);
-
- figure(1);
- set(clf,'PaperType','A4');
- set(clf,'Color',[1,1,1]);
- subplot(2,1,1);
- plot(t,signaal_in);
- axis([0,3*T,-5,5]);
- ylabel('Vin [V]','Fontsize',10);
- subplot(2,1,2);
- plot(t,signaal_uit);
- axis([0,3*T,-0.5,0.5]);
- xlabel('time [s]','Fontsize',10);
- ylabel('Vuit [V]','Fontsize',10);
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