作者：张九才^1,2, 杨显志¹, 王文祥¹, 孙嘉鸿¹

作者单位：1. 电子科技大学物理电子学院, 四川 成都 610054;
2. 中北大学自动化系, 山西 太原 030051

关键词：微波频率测量; 提高精度; 方法

摘要：

频率是微波仪器的重要参数,微波频率测量是检测仪器是否正常运行的有效手段,而提高频率测量精度是微波频率测量可靠性的保证。本文概述了微波频率测量的基本原理,分析了提高微波频率测量精度的几种方法,表明模拟内插法和游标内插法在提高微波频率测量精度中具有更为明显的优势。

Methods for improving precision of microwave frequency measurement

ZHANG Jiu-cai^1,2, YANG Xian-zhi¹, WANG Wen-xiang¹, SUN Jia-hong¹

1. School of Physical Electronics, University of Electronic Science and Technology, Chengdu 610054, China;
2. Department of Automatic Control, North University of China, Taiyuan 030051, China

Abstract: Frequency is an important parameter of microwave instrument and microwave frequency measurement is an effective approach to examine the normal operation of microwave instrument.So improving precision of microwave frequency measurement guarantees the reliability of microwave frequency measurement.In this paper,the fundamental theory of microwave frequency measurement was summarized.The methods for improving the accuracy of microwave frequency measurement were analyzed.It shows that analog-interpolating and the cursor interpolating methods have prominent advantages in improving precision of microwave frequency measurement.

Keywords: Microwave frequency measurement; Improving precision; Methods

2006, 32(2): 1-4  收稿日期: 2005-4-8;收到修改稿日期: 2005-6-21

基金项目: 国家自然科学基金资助项目(60371007)

作者简介: 张九才(1977-),男,硕士研究生,研究方向:计量测试技术与仪器。

参考文献

[1] 陈光禹,王厚军,田书林,等.现代测试技术[M].成都:电子科技大学出版社,2003.
[2] Application Note 200.USA:Electronic Counter Series[M].Hewlett-Packard Company,1997.
[3] Application Note 200-1.USA:Electronic Counter Series[M].Hewlett-Packard Company,1997.
[4] 樊治敏.无线电控制仪微波应答脉冲载波频率的自动测量[J].江南航天科技,1998,12(2):30-39.
[5] 汤世贤.微波测量技术[M].北京:北京理工大学出版社,1986.
[6] Kahrs M.50 Years of RF and Microwave Sampling[J].IEEE Transactions on Microwave Theory and Technology,2003,51(6):1078-1081.
[7] Kahrs M.Applications of RF and Microwave Sampling to Instrumentation and Measurement[J].Microwave Symposium,2003,14(3):8-13.
[8] Kahrs M.A Novel 3.5-GHz Microwave Counter Using an Opto-electronic Harmonic Heterodyne Technique[J].IEEE Transactions on Microwave Theory and Technology,1999,45(7):781-784.
[9] 鲁顺昌.自适应高速精密测频原理[J].四川工业学院学报,2001,20(2):1-7.
[10] 章军,张平,于刚.多周期同步测频测量精度的提高[J].电测与仪表,2003,40(6):25-28.
[11] 张杰,姚剑.频率测量的新方法[J].工业仪表与自动化装,2003,12(1):31-33.
[12] 宋立新,王乾.准等精度多周期同步测频法及实现[J].哈尔滨理工大学学报,1999,12(4):19-22.
[13] 闵笑菊,石丽平.非整数频标的测量企业标准化[S].2004:40-41.
[14] 左瑞文,李宛洲.100GSps等价采样系统设计与实现[D].北京:清华大学自动化系,2003.
[15] Swann B.K.,Blalock.B.J.,Clonts L.G.,etc.A 100-ps Time-resolution CMOS Time-to-digital Converter for Positron Emission Tomography Imaging Applications[J].Solid-State Circuits,2004,39(11):1839-1852.
[16] Raisanen-Ruotsalainen,Rahkonen,Kostamovaara.A Bicmos Time-to-digital Converter with 30 ps Resolution[J].Circuits and Systems,1999,1(30):278-281.
[17] Bah-Hwee Gwee,Chang J.S.,Adrian V,etc.A Novel Sampling Process and Pulse Generator for a Low Distortion Digital Pulse-width Modulator for Digital Class D Amplifiers[J].Circuits and Systems,2003,4(25-28):504-507.
[18] 刘宁庆,徐玉滨.无线通信中测频关键技术[J].电子测量技术,2001,4:36-38.
[19] 曲卫振,林宝军,王学军.时间、频率的高精度测量方法[J].系统工程与电子技术,1998,8:36-39.