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

---
 3773/CH8/EX8.2/Ex8_2.sce | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 3773/CH8/EX8.2/Ex8_2.sce

(limited to '3773/CH8/EX8.2/Ex8_2.sce')

diff --git a/3773/CH8/EX8.2/Ex8_2.sce b/3773/CH8/EX8.2/Ex8_2.sce
new file mode 100644
index 000000000..e56ba6995
--- /dev/null
+++ b/3773/CH8/EX8.2/Ex8_2.sce
@@ -0,0 +1,18 @@
+//Chapter 8: Helical Antennas
+//Example 8-5.2
+clc;
+
+//Variable Initialization
+n = 16.0        //Number of turns (unitless)
+C = 1       //Circumference (lambda)
+S = 0.25        //Turn Spacing (lambda)
+
+//Calculation
+hpbw = 52/(C*sqrt(n*S)) //Half power beamwidth (degrees)
+ax_rat = (2*n + 1)/(2*n)    //Axial ratio (unitless)
+gain = 12*(C**2)*n*S        //Gain of antenna (unitless)
+gain_db = 10*log10(gain)    //Gain of antenna (in dBi)
+
+mprintf("The half power beam width is %d degrees", hpbw)
+mprintf("\nThe axial ratio is %.2f",ax_rat)
+mprintf("\nThe gain is %d or %.1f dBi",gain,gain_db)
-- 
cgit