| 122 | 2 | 42 |
| 下载次数 | 被引频次 | 阅读次数 |
针对中高频条件下现有移相技术所解决的移相的数字化、智能化、精度提高等问题,采用DS1020序列芯片配以外围测频及控制电路实现精确移相,系统具有电路简单、精确度高、实时性好等优点,对以后的移相技术应用有一定的借鉴意义.
Abstract:Towards the difficulties of the present phase-shifting technology in median and high frequency,such as phase shifting digitization and intellectualized,the precision enhancement,here adopts a new method,using the DS1020 series chips combined with peripheral frequency measurement and control cricuit to realize the precise phase-shifting.The system has the characteristic of simple circuit,high precision,good synchronization,can be a good reference for the future phaseshifting technology.
[1]高晋占.微弱信号检测[M].北京:清华大学出版社,2004.
[2]邓仁杰.伏克峰.基于单片机同频信号移相的实现[J].计量与测试技术,2007(4):44-49.
[3]李栋,李正卫.以FPGA为核心的数字移相式信号发生器[J].电子技术,2007(4):38-40.
[4]浦昭邦.光电测试技术[M].北京:机械工业出版社,2006.
[5]DS1020 Programmable 8-bit silicon delgy line技术手册:DALLAS semiconductor[EB/OL].http://www.dalsemi.com.
基本信息:
中图分类号:TP274
引用信息:
[1]谭福耀,谢辉,李婕.一种新型中高频移相方法的实现[J].江汉大学学报(自然科学版),2008,No.103(03):28-31.
2008-09-25
2008-09-25