一种准确测量方波信号上升时间的测试方法
By building a digital signal testing system and performing mathematical calculations, the influence of external coaxial connectors and test cables is eliminated, solving the problem of inaccurate signal rise time measurement in existing technologies and achieving accurate measurement results at low cost.
CN115712023BActive Publication Date: 2026-07-17BEIJING UNIV OF POSTS & TELECOMM
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2022-11-09
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
Existing technologies are not accurate enough in measuring the rise time of high-speed signals, are affected by external coaxial connectors and test cables, and require expensive specialized equipment.
Method used
By building a digital signal testing system, using a high-performance oscilloscope and signal generator, combined with low-loss through-calibration components, the influence of external coaxial connectors and test cables is eliminated, and mathematical calculations are used to obtain accurate signal rise time.
Benefits of technology
It enables efficient and accurate measurement of signal rise time without the need for specialized equipment, reducing costs and eliminating the influence of external coaxial connectors and test cables.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN115712023B_ABST
Abstract
本发明公开了一种准确测量方波信号上升时间的测试方法。本发明包括：设计具有外接同轴连接器的测试样本；搭建以信号源与示波器为主体的数字信号测试系统；测试实验样本的数字信号波形，并导出实验数据；测试低损直通校准件的数字信号波形，导出实验数据；将两组实验数据导入计算机，通过数学运算，消除外接同轴连接器对测试样本的影响，准确测量出研究对象的信号上升时间。本发明通过对照实验与数学运算，降低了外接同轴连接器对测试数据的影响，解决了实验测试结果不够准确的问题，可以用于完成对研究目标信号上升时间的精确测量。
Need to check novelty before this filing date? Find Prior Art
Citation Information
Patent Citations
Calibration device and calibration method for rising time of ultra-wideband waveform analyzer
CN114384458A
Method for correcting signal path of signal analysis system
JP2007316054A