Design of Linear Antenna Arrays for Side Lobe Reduction ... - IAJIT
Recommend Documents
1, pp. 299-. 306, January 2011. [14] D. Simon, R. Rarick, M. Ergezer, and D. Du, âAnalytical and numerical comparisons of biogeography-based optimization and.
Nov 14, 2011 - A. H. Hussein, H. H. Abdullah, A. M. Salem, Member, IEEE, ... A. H. Hussein, S. Khamis, and M. Nasr are with the Faculty of Engineering,.
Jan 11, 2016 - Low Side Lobe Level Multilayer Antenna for Wireless Applications. Safa N. ..... wireless USB dongle application,â IEEE Antennas Wirel. Propag.
Mar 18, 2013 - simple, time-saving and efficient numerical techniques. Hence .... In free space, the array factor for this elliptical array is given by [13, 14] (see (8)).Missing:
Swiss Federal Institute of Technology (ETHZ), Communication Technology Laboratory, Sternwartstr. ... Due to the availability of spectrum future Wireless.
AbstractâWe investigate direction-of-arrival (DOA) estimation involving nonuniform linear arrays, where the sensor positions may be noninteger values ...
Edition, John Willey, New York, 2005. [3]. C. Dolph, A Current Distribution ... Venter G and Sobieszczanski-Sobieski J Particle Swarm. Optimization, AIAA Journal ...
This paper presents a novel antenna array for MIMO enabled laptops that is designed to ... with both arrays fully integrated within a realistic laptop structure.
The top layer shows the microstrip line and the series radial stub used for feeding the tapered slot antenna. The bottom layer indicates the exponential taper ...
Impulse Responses of Linear UWB Antenna Arrays and the Application to Beam Steering. Werner Sörgel, Christian Sturm, and Werner Wiesbeck. Institut für ...
A tool to design an antenna array of superior MIMO capacity for any specified vol- ume is developed. Particle swarm optimization is used as the main engine for ...
[12] A. H. Hussein, H. H. Abdullah, A. M. Salem, S. Khamis, M. Nasr, "Optimum Design of Linear Antenna Arrays Using a. Hybrid MoM/GA Algorithm," IEEE, ...
1. Tutorial 3 – Antenna Arrays. Question 1. A uniform linear array of 20 isotropic
elements is placed along the x-axis with an inter- element spacing d = λ/4 and a ...
d. 1. 2 d cos. 2 d. Ï Î¸ θ r. 1 r. 2 r. P. Array of Two Isotropic Point Sources. 1. 2 cos ... Point Sources of Same Amplitude and Opposite Phase. HPBW = 120° Ñ. 0°.
Figure 1a (left): The fields of a magnetic dipole or small loop are orthogonal to the axis of the loop at ... One may arrange two or three coils at right angles to ... b (Eb, Hb) and the electric current and magnetic moment of antenna a (Ja, Ma) must
working on input signals that are obtained by fixed element- to-element subtraction. A more general form of this method has also been proposed by Griffiths. In ...
An optimization problem is derived whose solution yields an optimal ... Balanis.
Dr. Balanis let me into his research group and gave me funding to research array.
http://www.ieee.org/publications_standards/publications/rights/index.html for more information. This article has been accepted for publication in a future issue of this journal, but ... design methodologies that assume idealized antenna elements.
We investigate the optimal design of uniform rectangular arrays (URAs) employed in multiple-input multiple-output communi- cations, where a strong ...
n=1, where the direction r(θ, Ï) = sin(θ) cos(Ï)x+sin(θ) sin(Ï)y+cos(θ)z. Hence, the resulting array far-field function can be written as f(r) = N. â n=1 wnfn(r) with ...
Fractal Antenna Arrays Based on Circular Shapes with Low Side Lobes for 3G Applications. .... [1] M. F. Bamsley, âFractals Everywhereâ, 2nd ed., New York:.
non-uniform, planar, and circular antenna arrays. Our approach is based on a new variant of Particle swarm Optimization technique. This new technique is a ...
drawbacks considering, e.g., bandwidth, efficiency or cross polarisation characteristics. Aperture-coupled antennas are very advantageous to overcome these ...
Design of Linear Antenna Arrays for Side Lobe Reduction ... - IAJIT
The method of tabu search is used to determine an optimum a set of weights of antenna element that provide a radiation pattern with maximal side lobe level.
! "
$
$
! $ " %
! $ &'(
!
!
"
" !
%
" # !$ #
! #
!
$
$
)
# *
#
+
,-
!
$
#
%
!
$
! "
#
! ! !
#
+
,
% & ' (
%
' " )
&
&
& &
% *
( &
& & %) &
& +
&
(
3 3 ' % $ & &
&
,
& &
3
'
1%
&
! "
&
$
4
($ ) -
'
,
' & &
&& & %$
4 ( ) &
'
%*
' '
& % *
$
.
7 ( )
!
& &
3
,
+
% * & % / & 5
" '
+ ' +
' 0%
&
& & '
& 2% ' "
-2. &
&
'
&
+% *
' % $ &
&
& & "
&
& &
'% '
&
"
' &
& % %
&
%
/ & -0 1. -2. % 3
7 +
,
! '
' & && 6 &
(% %
' &
% !
$ &
3
%*
, &
,
%$
&&
+
$
+
&
%
&
. &&
&& 7
)
& $ -
'
& +
7
)
'
0( )
( /5 .
)
( )
5
'
/
2
1
&
' &
+
& +
&
% &
)
&
%$ &
&
,
(
.
8
( )
$
& 8-
9%%
+
& $ '
.%
7A %$ +
&
" &&
$
"%
$
,
&
& %
& '
'
1
&
+ &
!1 ! !
%
7A
D!
' "
'
4
D
3"85 9 1 3"85 ; 1
:
(2) (0)
:
$ % ,
/
%
&
3
&
'
&
' '
& '
'
'
&
$
& % '
,
%
%
!
'
*
$
" ' '
$
% &
& &
&
& ' !! = % > % &&% = !>5 55 % - 5. G /% < G% " % B D ' F H +& 6 $ H , !$ " & C @ % ?= % > &&% ? 0!?10 % - . G /% < G% G & " % B D ' +& 6 $ H , $ & C *0 > $ # & ! 4 @ % ? % &&% 2! 5 ?% - . " % B $ C B = % % &&% ?5! 5> 21%
