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《Acta Metrologica Sinica》 1989-02
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Deconvolution Method for Removing the Distortion from Time Jitter in Equivalent-Time Waveform Samplers

Sun Sheng-he, Zheng Fu-chun and Peng Xi-yuan  
A sampling oscilloscope is one of the main units in automatic pulse measurement system (APMS). The time jitter in waveform samplers is an important error source that affect the precision of data acquisition. In this paper, this kind of error is greatly reduced by using the deconvolution method. First, the probability density function (PDF) of time jitter distribution is determined by the statistical approach, then, this PDF is used as convolution kern to deconvolve with the acquired waveform data with additional averaging, and the result is the waveform data in which the effect of time jitter has been removed, and the measurement precision of APMS is greatly improved. In addition, some computer simulations are given which prove the success of the method given in this paper.
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Chinese Journal Full-text Database 2 Hits
1 LIANG Zhiguo1,2,MENG Xiaofeng1(1.School of Instrumentation Science & Opto-Electronics Engineering,Beihang University,Beijing 100083,China;2.National Key Laboratory of Metrology and Calibration Technology,ChangchengInstitute of Metrology and Measurement,Beijing 100095,China);Review of Sampling Jitter Research[J];Journal of Test and Measurement Technology;2009-03
2 Peng Xiyuan and Sun Shenghe(Harbin University of Technology,Harbin 150006);An Optimal Waveform Averaging Method for Improving Signal-to-Noise Ratio of Digital Signal[J];Acta Metrologica Sinica;1991-04
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3 LIN Mao-liu,ZHANG Zhe (Department of Electronics and Communication, Harbin Institute of Technology, Harbin, Heilongjiang 150001, China);The TBD Introduction and Estimation of High-speed Sampling Oscilloscope[J];Acta Metrologica Sinica;2004-03
4 LIANG Zhi-guo(Changcheng Institute of Metrology and Measurement,Beijing 100095,China);A Novel Evaluation Method for Sampling Uniformity of Nonuniformly Sampling Data Acquisition Systems[J];Acta Metrologica Sinica;2006-04
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