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 --- 3788/CH4/EX4.3.4/Ex4_3_4.sce | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 3788/CH4/EX4.3.4/Ex4_3_4.sce (limited to '3788/CH4/EX4.3.4/Ex4_3_4.sce') diff --git a/3788/CH4/EX4.3.4/Ex4_3_4.sce b/3788/CH4/EX4.3.4/Ex4_3_4.sce new file mode 100644 index 000000000..f40655044 --- /dev/null +++ b/3788/CH4/EX4.3.4/Ex4_3_4.sce @@ -0,0 +1,25 @@ +//Example 4.3.4 +// Calculate the GT ratio and also if the Noise temperature is risen + +//Variables +clc +clear +D = 30 +na = 0.68 +lam = 0.0723 +temp0 = 79 +temp1 = 88 + +//Calculation +Gr = na*((%pi*D)/lam)^2 +GrdB = 10*log10(Gr) +Ts0 = 10*log10(temp0) +Ts1 = 10*log10(temp1) +GT = GrdB - Ts0 +GTnew = GrdB - Ts1 + +//Result +printf("The Gain of antenna is %f dB \n",GrdB) +printf("System noise temperature is %f dBK \n",Ts1) +printf("Earth station GT ratio is %f dB/K \n",GT) +printf("If the temperature rises to 88K ,then new GT ratio is %f dB/K",GTnew) -- cgit