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Diffstat (limited to '3739/CH3/EX3.14/EX3_14.sce')
| -rw-r--r-- | 3739/CH3/EX3.14/EX3_14.sce | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/3739/CH3/EX3.14/EX3_14.sce b/3739/CH3/EX3.14/EX3_14.sce new file mode 100644 index 000000000..9ac627270 --- /dev/null +++ b/3739/CH3/EX3.14/EX3_14.sce @@ -0,0 +1,17 @@ +//Chapter 3, Example 3.14, page 115
+clc
+
+//Initialisation
+f1=430 //upper frequency band
+f2=410 //lower frequency band
+d=80 //distance in meter
+
+//Calculation
+Yv=0.1 //Specific attenuation obtained from graph fig 3.34
+Lv=Yv*d //loss of forest trees
+Am=((f1+f2)/2)**0.5 //maximum value for trees excess loss.
+
+//Results
+printf("Specific attenuation index, Yv = %.1f dB/m",Yv)
+printf("\nLoss of forest trees, Lv = %.1f dB",Lv)
+printf("\nMaximum value for trees excess loss = %.1f dB",Am)
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