From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001 From: priyanka Date: Wed, 24 Jun 2015 15:03:17 +0530 Subject: initial commit / add all books --- 2414/CH17/EX17.5/Ex17_5.sce | 11 +++++++++++ 1 file changed, 11 insertions(+) create mode 100755 2414/CH17/EX17.5/Ex17_5.sce (limited to '2414/CH17/EX17.5/Ex17_5.sce') diff --git a/2414/CH17/EX17.5/Ex17_5.sce b/2414/CH17/EX17.5/Ex17_5.sce new file mode 100755 index 000000000..01757e87d --- /dev/null +++ b/2414/CH17/EX17.5/Ex17_5.sce @@ -0,0 +1,11 @@ +clc; +close(); +clear(); +//page no 554 +//prob no. 17.5 +theta_3dB=.3; // minimum practical beamwidth in degree +eta_1=.6; //illumination efficiency +G=eta_1*48000/(theta_3dB)^2; //gain calculation +mprintf('The Gain is G= %.0f \n',G) +G_dB=10*log10(G); //dB gain +mprintf('The Gain in dB is G(dB)= %.1f dB \n',G_dB) -- cgit