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Diffstat (limited to '3739/CH7/EX7.4')
| -rw-r--r-- | 3739/CH7/EX7.4/EX7_4.sce | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/3739/CH7/EX7.4/EX7_4.sce b/3739/CH7/EX7.4/EX7_4.sce new file mode 100644 index 000000000..760bb21f3 --- /dev/null +++ b/3739/CH7/EX7.4/EX7_4.sce @@ -0,0 +1,15 @@ +//Chapter 7, Example 7.4, page 302
+clc
+
+//Initialisation
+hr=-1 //obstacle height and fresnel radius ratio
+
+//Calculation
+Ad=-20*hr+10 //Diffraction loss in dB
+Ad2=16 //from fig 7.8
+Ad3=43
+
+//Results
+printf("(1) Obstacle loss = %.1f dB",Ad)
+printf("\n(2) Knife edge obstacle = %.1f dB",Ad2)
+printf("\n(3) Rounded obstacle = %.1f dB",Ad3)
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