High-Resolution Multi-Channel Frequency Standard Comparator Using Digital Frequency Measurement

doi:10.3390/s21165626

NTSC-IR > 时间频率测量与控制研究室

	High-Resolution Multi-Channel Frequency Standard Comparator Using Digital Frequency Measurement
	Xiao, Bo 1,2,3; Liu, Ya1,2,3 ; Li, Xiaohui1,2,3 ; Deng, Zhifeng 1,2,3; Xue, Yanrong 1,2,3
	2021-08-01
发表期刊	SENSORS
卷号	21 期号:16 页码:13
摘要	The rapid improvement accuracy of the atomic frequency standard puts forward higher requirements for the measurement resolution of the atomic frequency standard comparison system. To overcome the defect that the single zero-crossing point detection is sensitive to noise in the traditional dual mixer time difference measurement method, a digital frequency measurement method is proposed. This method combines sinusoidal beat technology, multi-channel synchronous acquisition technology, and digital frequency measurement technology, and uses differential compensation of system error to realize the precision measurement of atomic frequency standard. The frequency measurement accuracy is less than 2.5 x 10(-14) and the noise floor is better than 6.5 x 10(-15)/tau = 1 s. The system has a high frequency measurement accuracy and a low noise floor, which can realize the precise measurement of a highly stable frequency source.
关键词	multichannel frequency standard comparison digital frequency measurement
资助者	National Natural Science Funds of China ; National Natural Science Funds of China ; National Natural Science Funds of China ; National Natural Science Funds of China ; National Natural Science Funds of China ; National Natural Science Funds of China ; National Natural Science Funds of China ; National Natural Science Funds of China
DOI	10.3390/s21165626
语种	英语
资助项目	National Natural Science Funds of China[U2031125]
资助者	National Natural Science Funds of China ; National Natural Science Funds of China ; National Natural Science Funds of China ; National Natural Science Funds of China ; National Natural Science Funds of China ; National Natural Science Funds of China ; National Natural Science Funds of China ; National Natural Science Funds of China
WOS研究方向	Chemistry ; Engineering ; Instruments & Instrumentation
WOS类目	Chemistry, Analytical ; Engineering, Electrical & Electronic ; Instruments & Instrumentation
WOS记录号	WOS:000690006800001
出版者	MDPI
引用统计
文献类型	期刊论文
条目标识符	http://210.72.145.45/handle/361003/10559
专题	时间频率测量与控制研究室
通讯作者	Liu, Ya
作者单位	1.Chinese Acad Sci, Natl Time Serv Ctr, East Shu Yuan Rd, Xian 710600, Peoples R China 2.Chinese Acad Sci, Key Lab Time & Frequency Primary Stand, Xian 710600, Peoples R China 3.Univ Chinese Acad Sci, Sch Astron & Space Sci, Yu Quan Rd, Beijing 100049, Peoples R China
推荐引用方式 GB/T 7714	Xiao, Bo,Liu, Ya,Li, Xiaohui,et al. High-Resolution Multi-Channel Frequency Standard Comparator Using Digital Frequency Measurement[J]. SENSORS,2021,21(16):13.
APA	Xiao, Bo,Liu, Ya,Li, Xiaohui,Deng, Zhifeng,&Xue, Yanrong.(2021).High-Resolution Multi-Channel Frequency Standard Comparator Using Digital Frequency Measurement.SENSORS,21(16),13.
MLA	Xiao, Bo,et al."High-Resolution Multi-Channel Frequency Standard Comparator Using Digital Frequency Measurement".SENSORS 21.16(2021):13.