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  • Last update: 5 years ago
  • Total downloads: 55
  • Operating system: Linux, Mac OS X, Win All, BSD, Solaris
  • Publisher: Ohad Gal (2 other programs)
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scripts default iconfft_upsample (Scripts) Publisher's description

One cannot interpolate a complex number in the form of Real + j*imaginary.

One cannot interpolate a complex number in the form of Real + j*imaginary.
The only way to do interpolation is on the complex representation of an amplitude + phase. But sometimes the phase is not continuous, and given in the modulo(2*pi) representation (such as the result from the "FFT" function).

Using "unwrap" function does not always manage to restore the phase to be continuous, thus interpolation in the Fourier plane is probably the only answer.

This function works on a single or 2 dimensional arrays.

System Requirements:

MATLAB 6.1 (R12.1)
Program Release Status: New Release
Program Install Support: Install and Uninstall

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