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Why yes you can. Eventually nonlinear phase (non-constant group delay) causes timing issues in the extreme. Reverb filters are phase filters and not amplitude filters, for example.
I never said I thought a microphone was a minimum phase system. I am interested in correcting what is possible...
In high end audio enthusiasts sometimes want to know the phase response of their microphone.
Although they can get them calibrated the labs just return the magnitude response.
So tricks are used to calculate the phase response from the magnitude response.
I have only ever seen mention of Hilbert...
For the life of me I can't see what I am doing wrong here.
The upper patch is supposed to be slightly detuned from the lower patch, resulting in wider bandwidth.
The design is from
Broadband stacked shorted patch antenna for mobile communication handsets...
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