说明文档中的Patt​ern函数的type​:gain在2023​a版本中并不支持?

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xu yang
xu yang 2023-3-20
评论: xu yang 2023-3-30
说明网页中申明支持的type:gain, phase等模式在2022b和2023a中均不支持。应如何解决?
Type Quantity to plot
'directivity' | 'gain' | 'realizedgain' | 'efield' | 'power' | 'powerdb' | 'phase'
Error using phased.internal.parsePatternInputs
Expected Type to match one of these values:
'directivity', 'efield', 'power', 'powerdb'

回答(1 个)

Raghunathraju
Raghunathraju 2023-3-27
Hi xu yang,
As per my understanding,you want to plot Phase pattern of an antenna, but you are unable to do that using 2022b and 2023a versions of MATLAB.
You can plot the pattern of an antenna with phase as its ‘Type’ for which polarization must be provided. You can also plot all other modes in 20222b and 2023a that are mentioned in the documentation
I can demonstrate you with an example below.
a=patchMicrostrip;
figure;
pattern(a,5e9,'Polarization','H','Type','phase');
figure
pattern(a,5e9,'Type','efield')
figure
pattern(a,5e9,'Type','gain')
figure
pattern(a,5e9,'Type','powerdb')
For more information refer to MathWorks Documentation
  3 个评论
Raghunathraju
Raghunathraju 2023-3-28
Hi xu yang,
In PhasedArray Toolbox ,'pattern' function doesn't have 'gain' property as its type,whereas you can plot gain and all other modes of pattern in Antenna toolbox.You can refer pattern for more information.
xu yang
xu yang 2023-3-30
hi Raghunathraju,
Thanks! I agree with you. For the PhasedArray Toolbox, do we have any other function which can calculated the gain or the maximum gain?

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