高精度信号频率测量研究

江汉大学学报（自然科学版） ›› 2012, Vol. 40 ›› Issue (5): 23-26.

高精度信号频率测量研究

雷海东

江汉大学物理与信息工程学院，湖北武汉430056

收稿日期:2011-04-01 出版日期:2012-10-20 发布日期:2013-11-07
作者简介:雷海东(1978—)，男，讲师，博士，研究方向:原子频率标准

Study of Highly Accurate Signal Frequency Measurement

LEI Hai－dong

School of Physics and Information Engineering,Jianghan University,Wuhan 430056,Hubei,China

Received:2011-04-01 Online:2012-10-20 Published:2013-11-07

摘要/Abstract

摘要： 频率测量是时域中描述时钟信号源稳定性的一种方法。采用DDS模块、计数器模块以及精密时间测量模块实现高精度的频率测量，并详细介绍了整个测量装置的原理与特征。

关键词: 精密时间, 频率测量, 直接数字合成, TDC－GP1

Abstract: Frequency measurement is an assessment method of the frequency source stability in the time field. The highly accurate measurement is realized by using the DDS module, counter module and precision time measurement module. The principle and characteristics of the complete instrument are described.

Key words: precision time, frequency measurement, DDS, TDC－GP1

中图分类号:

TM935.1

雷海东. 高精度信号频率测量研究[J]. 江汉大学学报（自然科学版）, 2012, 40(5): 23-26.

LEI Hai－dong. Study of Highly Accurate Signal Frequency Measurement[J]. Journal of Jianghan University(Natural Science Edition), 2012, 40(5): 23-26.