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Equations and describe the general
case when all the input channels which contribute to the output sum
are available. Nevertheless there may be some situations were data is
missing. In such cases, the general rule is to ignore the channels
with no data (i.e. zero-weight them in
eqs. /), and to use data in the other
spectra when it is available:
- In the COMPOSITE mode, if no data is available in an input
spectrum (i.e. out of its boundaries, in a frequency range covered
by other input spectra), its corresponding resampled channels are
zero-weighted.
- In the COMPOSITE mode, if no data is available in
all the input spectra (e.g. there is a gap covered
by none of these), the corresponding channels in the output
spectrum are flagged as bad.
- In all modes, any bad channel in an input spectrum is
zero-weighted. Additionally, if it contributes to the output
channel () but bad channels should propagate
(SET BAD OR), it contaminates the current output channel
which is also set as bad.
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Gildas manager
2014-07-01