Review Article

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

Table 3

Translation of keywords in Figures 4 and 5.

No.The keywordsTranslation

1Caputo分数阶导数Caputo fractional derivative
2Caputo导数Caputo derivative
3Green函数Green function
4Laplace变换Laplace transform
5p-laplacian算子p-Laplacian operator
6Riemann-Liouville分数阶Riemann-Liouville fractional order
7Schauder不动点定理Schauder fixed point theorem
8不动点定理Fixed point theorem
9分数阶导数Fractional derivative
10分数阶微分方程Fractional differential equation
11唯一性Uniqueness
12存在性Existence
13收敛性Convergence
14数值解Numerical solution
15时滞Time lag
16正解Positive solution
17积分边值问题Integral boundary value problem
18稳定性Stability
19算子矩阵Operator matrix
20精确解Exact solution
21脉冲Pulses per second
22解的存在性The existence of solutions
23边值问题Boundary value problem
24非线性Nonlinear
25黏弹性Viscoelasticity
26内模控制Internal model control
27分数阶pidFractional order PID
28分数阶pid控制器Fractional order PID controller
29分数阶PIλDμ控制器Fractional order PIλDμ controller
30分数阶微积分Fractional calculus
31分数阶控制Fractional order control
32分数阶控制器Fractional order controller
33分数阶模型Fractional order model
34参数整定Parameter tuning
35模糊控制Fuzzy control
36永磁同步电机Permanent magnet synchronous motor
37滑模控制Sliding mode control
38神经网络Neural networks
39遗传算法Genetic algorithm
40鲁棒性Robustness
41分数阶Fractional order
42分数阶混沌系统Fractional chaos system
43分数阶系统Fractional order system
44参数辨识Parameter identification
45同步Synchronization
46图像加密Image encryption
47混沌Chaos
48混沌同步Chaos synchronization
49混沌控制Chaos control
50混沌系统Chaotic system
51滑模Sliding mode
52分数阶傅里叶变换Fractional Fourier transform
53分数阶微分Fractional differential
54分数阶积分Fractional integral
55参数估计Parameter estimation
56图像去噪Image denoising
57图像增强Image enhancement
58小波变换Wavelet transform
59线性调频信号Linear frequency modulation signal
60自适应Self-adaptive
61边缘检测Edge detection