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/CH17/EX17.3/Ex17_3.sce | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 3773/CH17/EX17.3/Ex17_3.sce

(limited to '3773/CH17/EX17.3/Ex17_3.sce')

diff --git a/3773/CH17/EX17.3/Ex17_3.sce b/3773/CH17/EX17.3/Ex17_3.sce
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+//Chapter 17: Antenna Temperature, Remote Sensing and Radar Cross Section
+//Example 17-2.1
+clc;
+
+//Variable Initialization
+Tn = 50.0     //Noise temperature (K)
+Tphy = 300.0      //Physical temperature (K)
+Eff = 0.99       //Efficiency (unitless)
+Tn_stg = 80.0       //Noise temperature of first 3 stages (K)
+gain_db = 13.0       //Gain (dB)
+Tphy_tr = 300   //Transmission line physical temperature (K)
+Eff_tr = 0.9    //Transmission line efficiency (unitless)
+
+//Calculations
+gain = 10**(gain_db/10)
+T_r = Tn_stg + Tn_stg/(gain) + Tn_stg/(gain**2)                //Receiver noise temperature (K)
+Tsys = Tn + Tphy*(1/Eff - 1) + Tphy_tr*(1/Eff_tr - 1) + (1/Eff_tr)*T_r                //System temperature (K)
+
+//Result
+mprintf("The system temperature is %.0f K",Tsys)
-- 
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