摘要
通过分析数控移相器的特点,给出了利用数控移相器实现对输入射频信号进行移频的基本方法;提出了一种进行连续移频的方法,设计并实现了数控移相器控制系统.测试结果表明:该方法实现简单,控制稳定,移频精度高.
From analyzing the characteristics of the digital phase shifter, basic methods of input RF signal for frequency shift using digital phase shifter are given.And then a approach for continuous frequency shift is proposed.Phase shifter controller based on the approach is designed and implemented, test results show that the controller is simple and stable in realization, and has a high precision of frequency shift.
出处
《装备指挥技术学院学报》
2005年第4期95-98,共4页
Journal of the Academy of Equipment Command & Technology
关键词
数控移相器
连续移频
直接数字合成
digital phase shifter
continuous frequency shift
direct digital synthesis