Is it possible to create an L-shaped phased array using the Phased Array Toolbox?
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Ideally i would like to create two L-shaped phased arrays, which would comprise of three ULAs each on one of the x,y,z axis, having N elements each and also having the same element as origin at point (0,0,0). Is it possible to do that using the Phased Array System Toolbox?
Thank you
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Honglei Chen
2016-7-20
Yes you can use Phased Array System Toolbox to do this, here is a small example to show that
d = 0.5;
N = 4;
pos_along_x = (0:N-1)*d;
pos_along_y = (1:N-1)*d;
pos_along_z = (1:N-1)*d;
pos = [[pos_along_x zeros(1,2*(N-1))];...
[zeros(1,N) pos_along_y zeros(1,N-1)];...
[zeros(1,2*N-1) pos_along_z]];
my_array = phased.ConformalArray('ElementPosition',pos);
viewArray(my_array);
HTH
3 个评论
Sadiq Akbar
2022-7-23
Your above code generates 2L shaped array i.e., antennas placed along the three axes and it works well if we determine DOAs with it. But how will we create 1L-shaped array i.e., antennas placed along two axes only i.e., either along x and y axes to make 1L array. Or along y and z axes to creat 1L array or along z and x axes to create 1L shaped array?
Honglei Chen
2022-7-23
Not sure if I understand it correctly. If you take away the elements along z from the above code, then you left with an L shaped array along only x and y. Is that what you need? HTH
Sadiq Akbar
2022-7-24
Thank you very much dear Honglei Chen for your kind response. No that's not enough. Actually I want the general corrdinates to be (x,y,z) rather than only (x,y). If I want to place the antennas along x and y axes but there is no antenna along z-axis such that the coordinates are as:
% along xy-axes
0 0 0 % its origin
0.5 0 0 % 1st antenna along x-axis at distance of 0.5 from origin
1 0 0 % 2nd antenna along x-axis at distance of 0.5 from 1st antenna
1.5 0 0 % 3rd antenna along x-axis at distance of 0.5 from 2nd antenna
0 0.5 0 % 1st antenna along y-axis at distance of 0.5 from origin
0 1 0 % 2nd antenna along y-axis at distance of 0.5 from 1st antenna
0 1.5 0 % 3rd antenna along y-axis at distance of 0.5 from 2nd antenna
% or if along yz-axes, then
0 0 0 % its origin
0 0.5 0 % 1st antenna along y-axis at distance of 0.5 from origin
0 1 0 % 2nd antenna along y-axis at distance of 0.5 from 1st antenna
0 1.5 0 % 3rd antenna along y-axis at distance of 0.5 from 2nd antenna
0 0 0.5 % 1st antenna along z-axis at distance of 0.5 from origin
0 0 1 % 2nd antenna along z-axis at distance of 0.5 from 1st antenna
0 0 01.5 % 3rd antenna along z-axis at distance of 0.5 from 2nd antenna
and likewise a pattern for placing antennas along zx-axes. Further, if I increase the no. of antennas, then this pattern extends.
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