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 --- 2681/CH8/EX8.11/Ex8_11.sce | 12 ++++++++++++ 1 file changed, 12 insertions(+) create mode 100755 2681/CH8/EX8.11/Ex8_11.sce (limited to '2681/CH8/EX8.11') diff --git a/2681/CH8/EX8.11/Ex8_11.sce b/2681/CH8/EX8.11/Ex8_11.sce new file mode 100755 index 000000000..e9c44d8a9 --- /dev/null +++ b/2681/CH8/EX8.11/Ex8_11.sce @@ -0,0 +1,12 @@ +//half power radiation pattern and beamwidth between first null +//given +clc +Da=12//metre +f=10d+9//hertz +v=3d+8//m/s +lemda=v/f//metre +ie=0.6//illumination efficiency +gp=ie*(Da/lemda)^2//gain pattern +gp_decibles=10*log10(gp)//changing to db +gp_decibles=round(gp_decibles*100)/100///rounding off decimals +disp(gp_decibles,'the power gain in decibles')//degree,db -- cgit