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    1.提高微波频率测量精度的方法

    2006-04-11 《中国测试技术》杂志社csjs

      张九才,杨显志1,王文祥1,孙嘉鸿 (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)   摘要:频率是微波仪器的重要参数,微波频率测量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。   关键词:微波频率测量;提高精度;方法   中图分类号:TM935.1 文献标识码:A 文章编号:1672-4984(2006)02-0001-04   Methods for improving precision of microwave frequency measurement   ZHANG Jiu-cai1,2,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.   Key words:Microwave frequency measurement; Improving precision; Methods  


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