OTime resolution Extracting the time-information is the crucial part of the system. 0.5 0.4 0 0.2 0. 0 -0.1 -0.2 -0.3 -0.4 Channel 0(moved +0.4V) Channel 1 -0.5 .1e-08 -5e-09 0 5e-09 1e-08 1.5e-082e-08 Time [s] Lets look at different ways to extract the timing-information: PDF文件使用"pdfFactory”试用版本创建ww,fineprint..cn
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Constant Fraction:Polynom-Fit 1 Finding the minimum and interpolating it. 2 Interpolate constant fraction of minimum-baseline Resolution Several groups have resolution of 200ps to 250ps. Own measurements(see Demo)are around 170ps with 60Co. PDF文件使用"pdfFactory”试用版本创建w.fineprint.cn
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Constant Fraction:Gauss-Fit Apply fit of Gauss-Function:y x-四)2 So2 Resolution [Aavikko,2004 NIM A]:200ps -220ps PDF文件使用"pdfFactory”试用版本创建w.fineprint.cn
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Constant Fraction:Spline 1 Smoothing the wave-form 2 Cubic spline interpolation Resolution [Saito,2001]with a 4GS/s digitizer on 60Co:118ps [Aavikko,2004 ACTA]with a 2GS/s digitizer on SiC:146.7ps PDF文件使用"pdfFactory”试用版本创建w.fineprint.cn
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Constant Fraction:integrals (iCF) 1 Search for minimum 2 Integrate around minimum Constant fraction with simple polynom-interpolation on integrated pulse Resolution A resolution of ~100ps is reached with 60Co and 4GS/s digitizers. PDF文件使用"pdfFactory”试用版本创建w.fineprint.cn
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