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[FEATURE REQUEST] - Basis set resolution smaller than data resolution… #539

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Dec 2, 2022
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[FEATURE REQUEST] - Basis set resolution smaller than data resolution… #539

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6 changes: 5 additions & 1 deletion libraries/FID-A/fitTools/fit_resampleBasis.m
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Original file line number Diff line number Diff line change
Expand Up @@ -45,7 +45,11 @@
for ll=1:(basisSet.nMets + basisSet.nMM)
% Loop over the number of sub-spectra (MEGA, HERMES, HERCULES)
for rr = 1:size(basisSet.fids, 3)
specs_interp(:,ll,rr) = interp1(ppmRangeBasis(ppmIsInDataRange), basisSet.specs(ppmIsInDataRange,ll,rr), ppmRangeData, 'pchip', 'extrap');
if size(ppmRangeData,1) > size(ppmRangeBasis,2)
specs_interp(:,ll,rr) = interp1(ppmRangeBasis(ppmIsInDataRange), basisSet.specs(ppmIsInDataRange,ll,rr), ppmRangeData, 'pchip', 0);
else
specs_interp(:,ll,rr) = interp1(ppmRangeBasis(ppmIsInDataRange), basisSet.specs(ppmIsInDataRange,ll,rr), ppmRangeData, 'pchip', 'extrap');
end
%convert back to time domain
%if the length of Fids is odd, then you have to do a circshift of one to
%make sure that you don't introduce a small frequency shift into the fids
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