phased.HeterogeneousConformalArray.getTaper

Array element tapers

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Syntax

wts = getTaper(array)

Description

wts = getTaper(array) returns the tapers applied to each element of a conformal array, array. Tapers are often referred to as weights.

example

Examples

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Open Live Script

Create a 12-element, 2-ring tapered disk array where the outer ring is more heavily tapered than the inner ring.

antenna1 = phased.ShortDipoleAntennaElement(FrequencyRange=[100e6 1e9], ...
    AxisDirection="Z");
antenna2 = phased.ShortDipoleAntennaElement(FrequencyRange=[100e6 1e9], ...
    AxisDirection="Y");
elemAngles = ([0:5]*360/6);
elemPosInner = 0.5*[zeros(size(elemAngles));cosd(elemAngles); ...
    sind(elemAngles)];
elemPosOuter = [zeros(size(elemAngles));cosd(elemAngles); ...
    sind(elemAngles)];
elemNorms = repmat([0;0],1,12);
taper =  [ones(size(elemAngles)),0.3*ones(size(elemAngles))];
array = phased.HeterogeneousConformalArray(ElementSet={antenna1,antenna2}, ...
    ElementIndices=[1 1 1 1 1 1 2 2 2 2 2 2], ...
    ElementPosition=[elemPosInner,elemPosOuter],ElementNormal=elemNorms, ...
    Taper=taper);
w = getTaper(array)
w = 12×1

    1.0000
    1.0000
    1.0000
    1.0000
    1.0000
    1.0000
    0.3000
    0.3000
    0.3000
    0.3000
    0.3000
    0.3000

Draw the array showing taper colors.

viewArray(array,ShowTaper=true,ShowIndex="all")

Figure contains an axes object. The hidden axes object with xlabel x axis (Az 0 El 0) -->, ylabel y axis --> contains 19 objects of type scatter, text, line.

Input Arguments

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Conformal array specified as a phased.HeterogeneousConformalArray System object.

Output Arguments

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Array element tapers returned as an N-by-1, complex-valued vector, where N is the number of elements in the array.

Version History

Introduced in R2013a