A new weight setting method for estimating ODR of sampling oscilloscope time base jitter

被引：0
|
作者：
Zhu, Jiangmiao [1 ]
Cheng, Mingfan [1 ]
Zhao, Kejia [2 ]
Chen, Junyu [1 ]
Wang, Yidi [1 ]
机构：
[1] Faculty of Information Technology, Beijing University of Technology, Beijing, China
[2] Institude of Information and Electronic Metrology, National Institute of Metrology, Beijing, China
来源：
Measurement: Journal of the International Measurement Confederation | 2025年 / 242卷
关键词：
Signal sampling - Timing jitter;
D O I：
10.1016/j.measurement.2024.116024
中图分类号：
学科分类号：
摘要：
The orthogonal distance regression algorithm is used to estimate the sampling oscilloscope timebase jitter. Starting from an accurate variance model, a new method to obtain accurate weight is studied. This method can obtain good timebase jitter calculation results when the traditional weight allocation method of the orthogonal distance regression algorithm fails. The proposed approach was validated using sine signals with different sampling frequencies and jitter conditions, and the results showed that the new weight method is effective. © 2024
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