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Diffstat (limited to '3739/CH5/EX5.11/EX5_11.sce')
| -rw-r--r-- | 3739/CH5/EX5.11/EX5_11.sce | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/3739/CH5/EX5.11/EX5_11.sce b/3739/CH5/EX5.11/EX5_11.sce new file mode 100644 index 000000000..09a758155 --- /dev/null +++ b/3739/CH5/EX5.11/EX5_11.sce @@ -0,0 +1,22 @@ +//Chapter 5, Example 5.11, page 208
+clc
+
+//Initialisation
+d=2500 //distance in Km
+re=6370 //radius of earth in Km
+dt=6 //elevation angle in degree
+f1=15 //frequency in MHz
+los1=42 //loss
+pi=3.14
+
+//Calculation
+teta=d*(2*re)**-1 //in radian
+teta1=teta*180*pi**-1 //in degree
+phi=90-dt-teta1
+l=(2*re*sin(teta))/sin(phi*pi/180)
+fsl=32.4+(20*log10(f1))+(20*log10(l)) //Free space loss
+pr=57+6-fsl-los1 //receving power in dB
+pr1=10**(pr/10) //receving power in Watt
+
+//Results
+printf("Power = %.2f pW",(pr1*10**12))
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