Fig. 1 Quadratic curve fitting results for sub-blocks of ideal mass spectra
Fig. 2 Linear fitting results for sub-blocks of ideal mass spectra
Fig. 3 Peak position error to the right
Fig. 4 Ion signals of SF6 gas used as input
Fig. 5 Ion signal block and its sub-blocks
Fig. 6 Elimination of invalid ion signals in ion signal block of k = 51
Fig. 7 Elimination of invalid ion signals in ion signal block of k =53
Fig. 8 PPE correction and peak determination in effective ion signal block of k =57
Fig. 9 Final mass spectrum obtained by the proposed method (1 ≤ k ≤ 50)
Fig. 10 Final mass spectrum obtained by the proposedmethod (50 ≤ k ≤ 130)
Table. 1 Logical conditions for eliminating invalid ion signals of existing method and effective ion signal block[7]
Table. 2 Logical condition for eliminating invalid ion signals in the proposed method
Table. 3 Detection error analysis results of the proposed algorithm and the conventional algorithm for 30 different inputs
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