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Table 2 Reconstruction error of nonuniform sampling

From: Theoretical formulation/development of signal sampling with an equal arc length using the frame theorem

Arc length interval

Cosine signal

Composite signal

RRMSE (%)

MRE (%)

Sampling number

RRMSE (%)

MRE (%)

Sampling number

1.02 (random)

124.22

258.56

10

112.50

242.52

10

1.02

4.04

2.31

23

3.81

4.85

23

0.97 (0.95 × 1.02)

3.35

2.26

24

3.17

4.74

24

0.92 (0.90 × 1.02)

2.49

1.90

26

2.87

3.62

25

0.87 (0.85 × 1.02)

2.45

1.70

27

2.15

2.99

27

0.82 (0.80 × 1.02)

1.42

0.84

27

1.63

1.88

29