% This is a demo script of Knife Edge Diffraction Theory
fc =
10000*10^6;
c
=
3e8;
lambdac=c/fc;
kc=2*pi/lambdac;
% operation frequency
% velocity of light
% wavelength
% omega
(Hz)
(m/s)
(m)
size_x = 2000;
size_y = 40;
% Length of the zone
% Height of th

% This script is used to compute diffraction loss using Epstein Peterson
% Approximation
% Author: Trinh Xuan Dung - DCU
% Date: 8th July 2009
clear all
clc
% Step 1: Find Local Maxima
% hadsund = load ('hadsund.txt');
hadsund = load ('hjorring.txt');
ter

% This script is a function to calculate multiple knife edges diffraction using
% Epstein Peterson Method
% Author: Trinh Xuan Dung - DCU
% Date: 8th July 2009
% Input information:
%
pos
:
transmitter, obstacles and receiver x-axis positions vector
(m).
%

% This function is used to find the obstructions
% Author: Trinh Xuan Dung - DCU
% Date: 8th July 2009
function [pos_final_x pos_final_y] =
find_obstructs_derivative(start_point_1,end_point_1,terrain,h_antenna,h_MS)
% Step 1: Find Local Maxima
threshold =

% This code is developed to demo the visulisation of the vector fields
% Course: AP - Dung Trinh 2014
clear all
clc
close all
[x,y] = meshgrid(-2:0.2:2,-2:0.2:2);
u = x;
v = y;
figure;
quiver(x,y,u,v);
[x,y] = meshgrid(-2:0.2:2,-2:0.2:2);
u = -y;
v = 20*x

Dr. Dung Trinh
HCMUT / 2014
Antennas and Propagation
Projects
Dr. Dung Trinh
1
Dr. Dung Trinh
HCMUT / 2014
Project 1: Antenna modeling using
Method of Moments (MoM) - Medium
Applying MoM in order to model and optimize radiation from antennas. The
antenna

MN HC: ANTEN V TRUYN SNG
NI DUNG BI TP LN
1. M t yu cu h thng thit k:
Sinh vin c th chn thc hin mt trong hai ti sau:
ti 1:
Anten c ch to s c nhng khc bit nht nh so vi anten c thit k trn phn
mm m phng. Nhng khc bit ny n t nhng sai s trong qu trnh ch to, v