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+clc
+Pr=10^-14;..//receiver sensitivity
+R=2.5*10^5;
+sigma=15;
+lambda=0.12;
+Gr=2000;..//receiver gain
+Gt=2000;..//transmitter gain
+pi=3.14;
+Ppeak=2.985*(Pr*(4*%pi)^3*R^4/Gt*Gr*sigma*lambda^2);
+disp("W",Ppeak,"Minimum peak transmitter power"); \ No newline at end of file