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Diffstat (limited to '3739/CH3/EX3.6')
| -rw-r--r-- | 3739/CH3/EX3.6/EX3_6.sce | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/3739/CH3/EX3.6/EX3_6.sce b/3739/CH3/EX3.6/EX3_6.sce new file mode 100644 index 000000000..c2a188fc1 --- /dev/null +++ b/3739/CH3/EX3.6/EX3_6.sce @@ -0,0 +1,18 @@ +//Chapter 3, Example 3.6, page 76
+clc
+//Initialisation
+dn=-0.2 //air refractivity gradient
+d=20 //height
+b=0.074 //elevation angle from graph 3.10
+f=7 //frequency in Ghz from graph 3.11
+c=2*10**-6
+
+///Calculation
+t=0.156 //1000/6370
+dm=dn+t
+a=(-c*dm*d)**0.5 //elevation angle of waves
+
+//Results
+printf("Elevation angle of waves = %.2f mrad",(a*10**3))
+printf("\nElevation angle = %.3f",b) //from graph 3.10
+printf("\nMinimum frequency of coupling waves into the duct = %d Ghz",f) //from graph 3.11
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