求助:单点扣背景是什么意思?

论文里没有说吗？

最好2边都扣，最好靠近主峰IRIS操作说明书PAGE-11-11中.locate the backgroud position in region that is as smooth as possible(no small peaks).place the backgroud position far enough away from the peak,so that it is not affected by the wings[

没有,就只是说用单点扣背景法扣除背景.我不敢确定是什么意思!