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SignalGenerator.cpp
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SignalGenerator.cpp
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#include <stdio.h>
#include <ctype.h>
#include <math.h>
int main(){
int choice=0;
float c,a,A,w,pi,start,end;
int st;
printf("Signal Generator:\n1. Exponential Signal\n2. Sinusoidal Signal\n3. Impulse Signal\n4. Step Signal\n5. Ramp Signal\n");
printf("\nChoose your signal: ");
scanf("%d",&choice);
switch (choice){
case 1:
printf("\nx[n] = c*\u03B1^n\n");
printf("\nc = ");
scanf("%f",&c);
printf("\n\u03B1 = ");
scanf("%f",&a);
printf("\nSampling time: ");
scanf("%d",&st);
printf("Enter the sample range: ");
scanf("%f",&start);
scanf("%f",&end);
FILE *fpt;
fpt = fopen("exponential.csv", "w+");
while(start<=end){
fprintf(fpt,"%.1f, %.2f \n",start, c*pow(a,start));
printf("\n%.1f, %.2f",start, c*pow(a,start));
start=start+st;
}
fclose(fpt);
break;
case 2:
printf("\nx[n] = a*cos(\u03C9t+\u03C6)\n");
printf("\nA = ");
scanf("%f",&A);
printf("\n\u03C9 = ");
scanf("%f",&w);
printf("\n\u03C6 = ");
scanf("%f",&pi);
printf("\nSampling time: ");
scanf("%d",&st);
printf("Enter the sample range: ");
scanf("%f",&start);
scanf("%f",&end);
FILE *fpt1;
fpt1 = fopen("sinusoidal.csv", "w+");
while(start<=end){
fprintf(fpt1,"%.1f, %.2f \n",start, A*sin(w*start+pi));
printf("\n%.1f, %.2f",start,A*sin(w*start+pi));
start=start+st;
}
fclose(fpt1);
break;
case 3:
printf("\nx[n] = a*\u03B4(n)\n");
printf("\nA = ");
scanf("%f",&A);
printf("\nSampling time: ");
scanf("%d",&st);
printf("Enter the sample range: ");
scanf("%f",&start);
scanf("%f",&end);
FILE *fpt2;
fpt2 = fopen("impulse.csv", "w+");
while(start<=end){
if(start==0){
fprintf(fpt2,"%.1f, %.2f\n",start,A);
printf("%.1f, %.2f\n",start,A);
}
else {
fprintf(fpt2,"%.1f, 0\n",(float)start);
printf("%.1f, 0\n",(float)start);
}
start=start+st;
}
fclose(fpt2);
break;
case 4:
printf("\nx[n] = a*u(n)\n");
printf("\nA = ");
scanf("%f",&A);
printf("\nSampling time: ");
scanf("%d",&st);
printf("Enter the sample range: ");
scanf("%f",&start);
scanf("%f",&end);
FILE *fpt3;
fpt3 = fopen("step.csv", "w+");
while(start<=end){
if(start>=0){
fprintf(fpt3,"%.1f, %.2f\n",start,A);
printf("%.1f, %.2f\n",start,A);
}
else {
fprintf(fpt3,"%.1f, 0\n",start);
printf("%.1f, 0\n",start);
}
start=start+st;
}
fclose(fpt3);
break;
case 5:
printf("\nx[n] = a*n\n");
printf("\nA = ");
scanf("%f",&A);
printf("\nSampling time: ");
scanf("%d",&st);
printf("Enter the sample range: ");
scanf("%f",&start);
scanf("%f",&end);
FILE *fpt4;
fpt4 = fopen("ramp.csv", "w+");
while(start<=end){
fprintf(fpt4,"%.1f, %.2f\n",start,start*A);
printf("%.1f, %.2f\n",start,start*A);
start=start+st;
}
fclose(fpt4);
break;
default:
printf("Invalid input.");
return 0;
}
}