雙指數(shù)擬合熒光壽命怎么分析
Calculated using 2 exponentials
Prompt data : Prompt
Decay data : Decay
The initial paramters are:
Shift Value = 0 ch
0 sec
Shift Limit = 40 ch
8.77915E-09 sec
T1 Estimate = 11.57449 ch
2.540355E-09 sec
T2 Estimate = 46.29797 ch
1.016142E-08 sec
A Free
B1 Free
B2 Free
Prompt and decay LO = 404 ch
8.866941E-08 sec
Prompt and decay HI = 647 ch
1.420027E-07 sec
Background on prompt = 3
Time calibration = 2.194787E-10 sec/ch
---------------------------------------------
The fitted parameters are:
Hi reduced to: 607 ch
SHIFT = 0.8839028 ch
1.939979E-10 sec
S.Dev = 3.790324E-12 sec
T1 = 12.29505 ch
2.698503E-09 sec
S.Dev = 1.407488E-10 sec
T2 = 18.58244 ch
4.07845E-09 sec
S.Dev = 1.984843E-11 sec
A = 7.525081
S.Dev = 0.44061
B1 = -0.2825815
[-72.85 Rel.Ampl]
S.Dev = 2.110813E-03
B2 = 0.4436326
[172.85 Rel.Ampl]
S.Dev = 1.557658E-03
CHISQ = 1.186022
[ 198 degrees of freedom ]
Chi-squared Probability = 3.752265%
Durbin-Watson Parameter = 1.950561
Negative residuals = 48.52941%
Residuals < 1 s.dev = 64.21568%
Residuals < 2 s.dev = 93.13725%
Residuals < 3 s.dev = 99.5098%
Residuals < 4 s.dev = 99.5098%
雙指數(shù)是兩個(gè)壽命,怎么分析呢,里面的參數(shù)怎么看
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你好,請(qǐng)問(wèn)這個(gè)問(wèn)題你已經(jīng)解決了嗎?我現(xiàn)在的問(wèn)題跟上面這個(gè)是一樣的,我也是不太會(huì)分析,請(qǐng)教一下可以幫忙嗎?
這個(gè)可以問(wèn)儀器的工程師,我問(wèn)了一下,他說(shuō)T1和T2都是熒光壽命,你這T1=1.407488E-10 sec,T2=1.016142E-08 sec,都是物質(zhì)的壽命。順便問(wèn)一下樓主,你測(cè)的是固體熒光壽命嗎?用什么物質(zhì)做的Prompt,我最近也在側(cè),用固體樣品做了Decay,Prompt沒(méi)有找到合適的物質(zhì)做,