SIGNAL DENOISING METHODS FOR A CHARGE DETECTION FREQUENCY-SCAN/VOLTAGE-SCAN QUADRUPOLE/LINEAR/RECTILINEAR ION TRAP MASS SPECTROMETER
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United States of America Patent
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Issued Date -
Nov 21, 2013
app pub date -
May 20, 2013
filing date -
May 18, 2012
priority date (Note) -
Abandoned
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Abstract
A signal denoising method for a frequency-scan ion trap mass spectrometer includes reading a signal raw data array observed in the spectrometer. The signal raw data array is processed by Boxcar averaging method to obtain a first signal array. Then the first signal array is processed by a harmonic interference cancellation method to obtain a second data array. Next the second signal array is processed by a radio frequency interference reduction method and a third signal array without the background induced from driving voltage of ion trap is reconstructed according to the second signal array.
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