A Bibliometric Analysis and Visualization of Fractional Order Research in China over Two Decades (2001–2020)

Table 2

Statistics of top 10 important literatures cited in frequency.

No.	Literature	First author	Citation frequency	Year
1	Detection and parameter estimation of multi-component LFM signals based on fractional Fourier transform	Qi lin	358	2003
2	Design of fractional PID controller for fractional order system	Xue Dingyu	352	2007
3	Dimensional normalization in the digital computation of the fractional Fourier transform	Zhao Xinghao	263	2005
4	Summary of research on fractional-order control	Zhu Chengxiang	216	2009
5	Research progress of fractional Fourier transform in the field of signal processing	Tao Ran	182	2006
6	Image enhancement based on fractional differentials	Yang Zhuzhong	177	2008
7	Fractional order sliding-mode control for permanent magnet synchronous motor	Zhang Bitao	134	2012
8	Fractional differential masks of digital image and their numerical implementation algorithms	Pu Yifei	130	2007
9	Application of fractional differential approach to digital image processing	Pu Yifei	121	2007
10	Summary of research on image processing using fractional calculus	Huang Guo	117	2012