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一种和DDS结合的高分辨率频率计设计 被引量：9

Design of a high-resolution frequency meter combined with the DDS
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摘要 介绍了基于直接数字式频率合成器(DDS)的高分辨率频率计的设计方法,并以简单的电路完成对频率信号的高分辨率测量.在测频方案中,利用DDS跟踪被测频率的值,自动合成合适的频标信号,可实现在宽范围内,对任意频率信号的高分辨率等精度测量.样机实测数据表明,高分辨率频率计的测量分辨率可以达到10-12/s量级. This paper describes the method for designing a high-resolution frequency meter based on the DDS （Direct Digital Synthesizer） using a simple circuit. In this method, DDS is used to track the value of the measured frequency and synthesizes automatically appropriate frequency standard signals. This method is applicable to measuring signals within a wide range of frequency. Prototype measured data show that the high-resolution frequency meter can reach the magnitude of 10^-12/s.
作者 白丽娜 周渭 赵桀 张清兰
机构地区 西安电子科技大学机电工程学院
出处 《西安电子科技大学学报》 EI CAS CSCD 北大核心 2012年第4期126-130,160,共6页 Journal of Xidian University
基金 国家自然科学基金资助项目(60772135 10978017)
关键词 直接数字式频率合成器 高分辨率 频率计 测频 DDS high-resolution frequency meter frequency measurement
分类号 TM935.1 [电气工程—电力电子与电力传动]
  • 相关文献

参考文献9

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二级参考文献19

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共引文献26

同被引文献74

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引证文献9

二级引证文献27

西安电子科技大学学报
2012年 第4期

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