From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001
From: priyanka
Date: Wed, 24 Jun 2015 15:03:17 +0530
Subject: initial commit / add all books

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 46/CH5/EX5.2/Example5_2.sce |  35 +++++++++++++++++++++++++++++++++++
 46/CH5/EX5.2/figure5_2.jpg  | Bin 0 -> 88249 bytes
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diff --git a/46/CH5/EX5.2/Example5_2.sce b/46/CH5/EX5.2/Example5_2.sce
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+//Example 5.2
+clear
+clc
+tau=0.1;//min
+xs=100;//Fahrenheit
+ys=100;//Fahrenheit
+A=2;//Fahrenheit
+f=10/%pi;//cycles/min
+w=2*%pi*f;//rad/min
+//From Eq.(5.25), the amplitude of the response and the phase angle are calculated;thus
+disp('Fahrenheit',A/sqrt((tau*w)^2+1),'A/sqrt((tau*w)^2+1)=')
+phi=atan(-w*tau);//radians
+phi=phi*180/%pi;//degrees
+disp('degrees',phi,'phase lag=')
+t=0:0.01:1;
+//From Eq.(5.19), the input of the thermometer is  therefore
+disp("X(t)=2*sin(20*t)");
+//or
+xt=xs+2*sin(20*t);
+//The response of the thermometer is therefore
+disp("Y(t)=0.8944*sin(20*t-63.4349)")
+//or
+yt=ys+0.8944*sin(20*t-63.4349);
+Lag=phi/(360*f);//min
+Lag=abs(Lag);//min
+disp('min',Lag,'Lag=')
+clf;
+plot(t,yt)
+plot(t,xt)
+xlabel('time')
+ylabel('x(t) , y(t)')
+title('x(t) , y(t) Vs time')
+xgrid
+
+
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