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/CH6/EX6.18/EX6_18.sce | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 3739/CH6/EX6.18/EX6_18.sce

(limited to '3739/CH6/EX6.18')

diff --git a/3739/CH6/EX6.18/EX6_18.sce b/3739/CH6/EX6.18/EX6_18.sce
new file mode 100644
index 000000000..e416028be
--- /dev/null
+++ b/3739/CH6/EX6.18/EX6_18.sce
@@ -0,0 +1,26 @@
+//Chapter 6, Example 6.18, page 274
+clc
+
+//Initialisation
+f=420                                         //frequency in Hz
+h1=40                                         //height in m
+h2=5                                         //height in m
+d=15                                         //distance in km
+
+//Calculation
+A=69.55+26.16*log10(f)-13.82*log10(h1)        //Hata parameters
+B=44.9-6.55*log10(h1)
+C=2*(log10(f*28**-1))**2+5.4
+D=4.78*(log10(420))**2-18.33*log10(f)+40.94
+E1=3.2*(log10(11.75*h2))**2-4.97
+E2=(((1.1*log10(f))-0.7)*h2)-((1.56*log10(f))-0.8)
+L3=A+B*log10(d)-D                                  //in open area;
+L2=A+B*log10(d)-C                                 //in suburban area;
+L1=A+B*log10(d)-E1                                 //in large cities;
+L11=A+B*log10(d)-E2                                //in small cities;
+
+//Results
+printf("In large cities L1 = %.2f dB",L1)
+printf("\nIn small cities L1 = %.2f dB",L11)
+printf("\nIn suburban area L2 = %.2f dB",L2)
+printf("\nIn open area L2 = %.2f dB",L3)
-- 
cgit