Accumulator CIR memory


[color=#000000][size=x-small][font=Arial, ‘PingFang SC’, ‘Hiragino Sans GB’, STHeiti, ‘Microsoft YaHei’, ‘WenQuanYi Micro Hei’, sans-serif][color=#333333][size=medium]Ask some questions:[/size][/color][/font][/size][/color]
1.How to plot the graph-Digital Amplitude accroding to the Accumulator CIR memory?
2.How to calculate Peek Amplitude according to the Accumulator CIR memory and the index of Peek Amplitude?
3.I tried to plot the CIR data-sqrt(Imag^2+Real^2),but the graph which I plotting is different than standard graph. Why?