From 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 Mon Sep 17 00:00:00 2001
From: prashantsinalkar
Date: Tue, 10 Oct 2017 12:27:19 +0530
Subject: initial commit / add all books

---
 3739/CH3/EX3.6/EX3_6.sce | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 3739/CH3/EX3.6/EX3_6.sce

(limited to '3739/CH3/EX3.6/EX3_6.sce')

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
-- 
cgit