Get Directivity Values From phased.URA

2 次查看（过去 30 天）
Kev
Kev 2019-7-3
回答： Honglei Chen 2019-7-3
I've created an array using the phased URA tool, & the 3d plot it produced matches well with what I am expecting.
I was wondering how I can get the directivity(dBi) values, ie. z-axis values, from the URA object. Is it possible to create a matrix of these values?
Below is the code used to construct the URA.
sar_array = phased.URA;
sar_array.Size = [10 10]; %number of array elements
sar_array.ElementSpacing = [0.9 0.9]; %element spacing
sar_array.Lattice = 'Rectangular'; %rectangular array
sar_array.ArrayNormal = 'x';
el = phased.IsotropicAntennaElement;
sar_array.Element = el;
F = 300000000;
PS = physconst('LightSpeed');
fmt = 'rectangular';
fig = figure;
pattern(sar_array, F(1), 'PropagationSpeed', PS, 'Type','directivity', ...
'CoordinateSystem', fmt);

请先登录，再回答此问题。

采纳的回答

Honglei Chen
Honglei Chen 2019-7-3
If you want directivity values for all angles, you can just simply do
D = pattern(sar_array, F(1), 'PropagationSpeed', PS, 'Type','directivity', ...
'CoordinateSystem', fmt);
If you want directivity in only several points, say 0 and 30 degrees azimuth, then you can save some computation by doing
D = directivity(sar_array, F(1), [0 30])
HTH

更多回答（0 个）

类别

在 Help Center 和 File Exchange 中查找有关 Array Geometries and Analysis 的更多信息

标签

产品

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by