The normalization of density-compensation coefficients differs from the method used in the tfkbnufft package, resulting in signal energy instability when applying NUFFT with density compensation.
We need to align the normalization approach with what is used in tfkbnufft.
The normalization of density-compensation coefficients differs from the method used in the tfkbnufft package, resulting in signal energy instability when applying NUFFT with density compensation. We need to align the normalization approach with what is used in tfkbnufft.