//Ex:5.42
clc;
clear;
close;
printf("SWR may be defined as ratio of max to min current on voltage on a line having standing waves. ");
printf("\n VSWR=Vmax/Vmin");
printf("\n S=Vmax/Vmin=Imax/Imin");
printf("\n The SWR is a measure of mismatch between load of transmission line and is first and foremost quantity calculated for a particular load. Its value is always greater than unity when termination is not correct. But when termination is correct, its value is equal to unity, if termination is perfectly matched.");