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| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /1574/CH3/EX3.25/M_Ex_3_25.sce | |
| download | Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.gz Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.bz2 Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.zip | |
initial commit / add all books
Diffstat (limited to '1574/CH3/EX3.25/M_Ex_3_25.sce')
| -rwxr-xr-x | 1574/CH3/EX3.25/M_Ex_3_25.sce | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/1574/CH3/EX3.25/M_Ex_3_25.sce b/1574/CH3/EX3.25/M_Ex_3_25.sce new file mode 100755 index 000000000..a7307b99c --- /dev/null +++ b/1574/CH3/EX3.25/M_Ex_3_25.sce @@ -0,0 +1,18 @@ +clc
+//Chapter3: Modulation
+//Example3.25, pageno 175
+//Given
+//em=3sin(2*pi*1000t)+5cos(2*pi*3000t)
+//ec=50sin(2*pi*500e3*t)
+m1=0.06//(sine wave amplitude/ peak carrier voltage)
+m2=0.1//(cosine wave amplitude/ peak carrier voltage)
+Vc=50//Carrier voltage
+R=50//load resistance
+Pc=(Vc^2)/(2*R)//Peak carrier power
+Pt=Pc*(1+((m1^2+m2^2)/2))//Total power after modulation
+mprintf('Average power is: %f watts',Pt)
+F=[0,2.5,1.5,50,1.5,2.5,0]
+T=[490,497,499,500,501,503,510]
+plot2d3(T,F,5)
+xlabel("Freq", "fontsize",3);
+ylabel("Amplitude", "fontsize",3, "color", "blue");
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