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Diffstat (limited to '3739/CH4/EX4.4/EX4_4.sce')
| -rw-r--r-- | 3739/CH4/EX4.4/EX4_4.sce | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/3739/CH4/EX4.4/EX4_4.sce b/3739/CH4/EX4.4/EX4_4.sce new file mode 100644 index 000000000..5c78aba58 --- /dev/null +++ b/3739/CH4/EX4.4/EX4_4.sce @@ -0,0 +1,16 @@ +//Chapter 4, Example 4.4, page 137
+clc
+//Initialisation
+tec=10**17 //total electron content
+H=200*10**3 //thickness of F layer
+
+//Calculation
+pd=tec/H //plasma density at F
+fc=9*sqrt(pd)
+ouf=3.6*fc*0.8 //optimum usable frequency
+muf=fc*1.788 //maximum usable frequency
+
+//Results
+printf("Maximum usable frequency = %.1f MHz",(fc*10**-6))
+printf("\nOptimum usable frequency < %.3f MHz",(ouf*10**-6))
+printf("\nMaximum usable frequency (30) = %.1f MHz",(muf*10**-6))
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