A peak shape simulation program of TOFMS based on probability was developed,and the effects of ionic initial spatial and velocity distributions on ionic peak shape were studied.

• 运用概率密度理论建立了一套飞行时间质谱的峰形模拟的方法和程序,并通过模拟分析考察了不同的空间分布和速度分布对离子峰形的影响。