≫ܾ௜.

he simulated spectrum data. The dotted line represents the spectrum (s) and the

tands for the baseline (b). The horizontal axis represents the spectral analyser,

be the frequency or the wave unit or the charge ratio depending on the

used to generate a spectrum. The vertical axis stands for the amplitude, referred

ave intensity or the intensity.

milk MALDI-TOF MS spectrum, where the spectral analyser is m/z, which

mass to charge ratio and z is the charge number of ions.

e 5.1 only shows a case where a spectrum is not contaminated by

real spectrum is often contaminated by noise. For instance, Figure

s an example of the milk MALDI-TOF MS spectrum [Liland, et

Liland, et al., 2010]. It can be seen that there are many artifacts

n addition to the signals along the baseline. Therefore, statistical

must be used to deal with such a noisy spectrum for an efficient

tive signal detection process.