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为什么用不同的工具算出来chem id 差别很大



把log数据分别用mathcad   和上传到www.ti.com/.../gpcUpload.tsp算出来的chem id  差别很大以哪个为准。

这个是 网站算出来的

Chemistry ID selection tool, rev=2.37

Configuration used in present fit:
ProcessingType=2
NumCellSeries=12
ElapsedTimeColumn=0
VoltageColumn=1
CurrentColumn=2
TemperatureColumn=3

Best chemical ID : 2109 Best chemical ID max. deviation, % : 1.94



Summary of all IDs with max. DOD deviation below 3%

Chem ID max DOD error, % Max R deviation, ratio
2109 1.94 -0.84
1530 2.49 0.93
1450 2.52 1.2
469 2.56 3.16
1529 2.56 1.35

这个是软件算出来的