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need feed angle support #267

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o-smirnov opened this issue Jan 23, 2019 · 1 comment
Open

need feed angle support #267

o-smirnov opened this issue Jan 23, 2019 · 1 comment
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@sjperkins
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@o-smirnov
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We need a per-antenna, per-feed angle (FA), which acts as an additive offset to the PA.

FA is a (num_antenna,2) array, default is 0.

This modifies the P-Jones matrix as follows: the first row of the matrix for antenna p (or phase-shift, if using circular feeds) PA+FA[i,0], and the second row uses PA+FA[i,1].
@sjperkins
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/cc @rubyvanrooyen I think this was the term you were requesting the other day?

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