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/EX3.7/EX3_7.sce | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 3739/CH3/EX3.7/EX3_7.sce (limited to '3739/CH3/EX3.7') diff --git a/3739/CH3/EX3.7/EX3_7.sce b/3739/CH3/EX3.7/EX3_7.sce new file mode 100644 index 000000000..2960a5bb8 --- /dev/null +++ b/3739/CH3/EX3.7/EX3_7.sce @@ -0,0 +1,24 @@ +//Chapter 3, Example 3.7, page 80 +clc + +//Initialisation +f=18 //frequency in GHz +d=30 //in km +R=25 //rainfall intensity in mm + +//Using Table 3.3 +av15=1.128 +av20=1.065 +av18=1.09 +kv15=0.0335 +kv20=0.0691 +kv18=0.0587 + +//Calculation +yr=kv18*R**av18 //rain specific attenuation +de=(90*(90+d)**-1)*d +A=de*yr //Maximum rain attenuation + +//Results +printf("(1) Rain specific attenuation = %.2f dB/km",yr) +printf("\n(2) Maximum rain attenuation = %.1f dB",A) -- cgit