Time-of-Flight Mass Spectrometer and Data Compression Method Therefor
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Issued Date -
Oct 31, 2013
app pub date -
Mar 11, 2013
filing date -
Apr 25, 2012
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Abandoned
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Abstract
A data compression method for use by a flight-of-time mass spectrometer reduces the amount of digital data, which are converted from mass spectra by a digitizer, by thinning out their data points without reducing the amount of information over the whole range. The mass spectrometer has a data processing unit including data reduction means which reduces the number of data points of digital data delivered from the digitizer in response to an electrical signal indicative of ions based on a previously entered data table such that m/z regions partitioned by given flight times or given ink are set to have different numbers of data points.
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