summaryrefslogtreecommitdiff
path: root/3773/CH17/EX17.3/Ex17_3.sce
diff options
context:
space:
mode:
authorprashantsinalkar2017-10-10 12:27:19 +0530
committerprashantsinalkar2017-10-10 12:27:19 +0530
commit7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch)
treedbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /3773/CH17/EX17.3/Ex17_3.sce
parentb1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff)
downloadScilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.gz
Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.bz2
Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.zip
initial commit / add all books
Diffstat (limited to '3773/CH17/EX17.3/Ex17_3.sce')
-rw-r--r--3773/CH17/EX17.3/Ex17_3.sce20
1 files changed, 20 insertions, 0 deletions
diff --git a/3773/CH17/EX17.3/Ex17_3.sce b/3773/CH17/EX17.3/Ex17_3.sce
new file mode 100644
index 000000000..f86b1619c
--- /dev/null
+++ b/3773/CH17/EX17.3/Ex17_3.sce
@@ -0,0 +1,20 @@
+//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)