Phase group synchronization between any signals and its physical characteristics
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- 作者：BaoQiang Du (1)
LinLin Shi (1)
YaoMing Chen (2)
ShaoFeng Dong (3)
ZhiGang Yang (4)
LingZhi Cao (1)
ShuTing Guo (1) - 关键词：equivalent phase comparison frequency ; least common multiple period ; group phase difference ; group period phase processing ; phase group synchronization
- 刊名：SCIENCE CHINA Physics, Mechanics & Astronomy
- 出版年：2014
- 出版时间：April 2014
- 年：2014
- 卷：57
- 期：4
- 页码：674-679
- 全文大小：467 KB
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22. He Z, He F, Chen J, et al. Echo-domain phase synchronization algorithm for bistatic SAR in alternating bistatic/Ping-Pong mode. IEEE Geosci Remote Sensing Lett, 2012, 99: 1- - 作者单位：BaoQiang Du (1)
LinLin Shi (1)
YaoMing Chen (2)
ShaoFeng Dong (3)
ZhiGang Yang (4)
LingZhi Cao (1)
ShuTing Guo (1)
1. School of Electric and Information Engineering, Zhengzhou University of Light Industry, Zhengzhou, 450002, China
2. The 20th Research Institute of China Electronics Technology Group Corporation, Xi’an, 710071, China
3. Institute of Signals and Data Processing, Xidian University, Xi’an, 710068, China
4. The 27th Research Institute of China Electronics Technology Group Corporation, Zhengzhou, 450015, China - ISSN：1869-1927
文摘
The phase group synchronization between any signals is further revealed, which is based on proposing the new concepts of the greatest common factor frequency, the least common multiple period, quantized phase shift resolution, equivalent phase comparison frequency and so on. Then the problem of phase comparison and processing between different frequency signals is solved and shown in detail. Using the basic principle and the variation law of group phase difference, the frequency stability better than 10?4/s can be easily obtained in the time & frequency measurement and control domain, and experimental results also show the phase relations between atomic energy level transition signal and the locked crystal oscillator signal in an active hydrogen atomic clock are strict phase group synchronization, and locked precision with 10?3/s can be reached based on phase group synchronization. The phase group synchronization can provide technical support to frequency linking among radio frequency, microwave and light frequency.