LAUNDR performs two primary functions. One, "de-glitching", is the flagging for removal (in YORIC) of spurious non-source-like signals called glitches, typically caused by radiation hits on individual detectors. The second, "de-striping", is the minimization of detector-to-detector response variations.
There are two de-striping methods available in LAUNDR:
Baseline removal usually does a better job of removing the stripes from the data, but cross-scan offset de-striping may perform better when the field has so much structure that a good linear fit cannot be achieved. In some extreme cases, for example, extremely confused regions, neither de-striper will work very well. In these cases better results may be obtained by processing the data with no de-striping.
LAUNDR is more fully described in the LAUNDR Software Design Specification (J.W. Fowler and M.Melnyk, 1989, IPAC, Pasadena).