### Instruction:

Extract the cause and effect entities from the following sentence:
Once the spectral sounding interferogram has been Fourier transformed to the spectral domain a series of spectral samples are obtained, each with its own radiance sample

### Assistant:

KEYWORD: each
VARIABLE: a series of spectral samples
CONDITION: with its own radiance sample
CAUSE_1: the spectral sounding interferogram has been Fourier transformed to the spectral domain
EFFECT_1: a series of spectral samples are obtained
EFFECT_2: with its own radiance sample

