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铷原子频标数字伺服系统Hot!

, PP. 494-500

Keywords: 铷原子频标,相敏检波,数字伺服

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Abstract:

分析了铷频标内锁频环路相敏检波基本原理和数字伺服的基本方法.采用单片机(MCU)、模数转换器(ADC)和数模转换器(DAC)设计了一种数字伺服系统.利用该数字伺服系统,实现了铷原子频标的闭环锁定,短期稳定度指标达到一般商品铷钟水平.

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