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Table 2 Performance comparisons of pattern roundness, resonant frequency f and enhancement factor F in previous literatures [13, 14, 16, 17]

From: Eliminating sensing blind spots of field-enhanced Rydberg atomic antenna via an asymmetric parallel-plate resonator

Reference

Pattern roundness (dB)

f (GHz)

F (dB)

[13, 14]

46.7

4.35

24

[16]

39

1.309

40

[17]

16.6

19.629

7.9

This work PPR1

21.5

2

24.5

This work PPR4

7.8

2.06

21.5