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Table 2 Convergence times of the three algorithms when recognizing user changes

From: An improved monarch butterfly spectrum allocation algorithm for multi-source data stream in complex electromagnetic environment

Number of equipment

Improved Monarch

GA

PSO

5

38

6

94

10

18

45

95

15

58

82

55

20

4

8

40

25

42

76

42

30

40

72

41

35

18

8

53