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lee988325

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[求助] 如何在 oringinpro 中建立高斯(Gauss)與羅�?�?(Lorentz)的混合函數與其應用

??λ???M??

?????????????? oringinpro ?н??????(Gauss)?c?_????(Lorentz)????????c?????? XRD ?@??B????M?? fitting

??????????????c???}??

1. ???? origin pro ?? copy ?????????????x

Lorentzian peak function
y = y0 + (2*A/PI)*(w/(4*(x-xc)^2 + w^2))
y0,xc,w,A

Area version of Gaussian Function
y=y0 + (A/(w*sqrt(PI/2)))*exp(-2*((x-xc)/w)^2)
y0,xc,w,A

????????λ???
????? 80%???+20%?_???? ???
???@??????

y=y0 + (0.8*A1/(w1*sqrt(PI/2)))*exp(-2*((x-xc1)/w1)^2))+ (2*0.2*A2/PI)*(w2/(4*(x-xc2)^2 + w2^2)))

2. ??? XRD ?@??Y???У???Щ peak ???????????B
???????? origin pro ?к???????????????????M?ж????? fitting

?????? origin pro ?汾?? 9.0

?????????????E

????Tλ???M??c???м????M??

Graph2.jpg



[ Last edited by lee988325 on 2013-2-24 at 00:01 ]
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