A high-speed, continuous and no-intermittent frequency measurement algorithm for cesium optically pumped magnetometer

被引：0
|
作者：
Hu, Shuting [1 ,2 ]
Dong, Haobin [1 ,2 ]
Ge, Jian [1 ,2 ]
Luo, Wang [1 ,2 ]
机构：
[1] China Univ Geosci, Sch Automat, Wuhan, Hubei, Peoples R China
[2] Georesources & Environm Co Ltd, Wuhan Ind Technol Res Inst, Wuhan, Hubei, Peoples R China
来源：
PROCEEDINGS FIRST INTERNATIONAL CONFERENCE ON ELECTRONICS INSTRUMENTATION & INFORMATION SYSTEMS (EIIS 2017) | 2017年
基金：
中国国家自然科学基金;
关键词：
frequency measurement; fixed gate; no-intermittent; OPM;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Cesium optically pumped magnetometer(OPM) is a weak magnetic field measuring instrument based on Zeeman effect. Aiming at the low sampling rate of conventional cesium OPM, this paper presents a high-speed, continuous and no-intermittent frequency measurement method based on fixed gate. On the foundation of the fixed gate frequency measurement method, double counters are respectively used to continuously counting to achieve continuous measurement without intermittent in the positive and negative gates. Meanwhile, to improve the accuracy of measurement, the STM32 microcontroller analyzes the collected data to find and remove the junction points of dynamic frequency. The experimental results show that the proposed method can effectively improve the sampling rate and precision of the system, and can be applied to the cesium OPM, which has a good application prospect.
引用
收藏
页码：189 / 193
页数：5
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