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Table 4 NIST tests results

From: Design and FPGA implementation of a wireless hyperchaotic communication system for secure real-time image transmission

Statistical tests

P valueT

Proportion

Frequency

0.644060

0.9800

Block frequency

0.023545

0.9833

Cumulative sum up

0.671779

0.9900

Cumulative sum down

0.699313

0.9933

Runs

0.117661

0.9933

Longest run

0.630178

0.9967

Rank

0.840081

0.9867

Discrete Fourier transform

0.100508

1.0000

Non-overlapping templates

0.588652

0.9833

Overlapping templates

0.547637

1.0000

Universal

0.568055

0.9833

Approximate entropy

0.162606

0.9933

Random excursions

0.249991

0.9947

Random excursion variant

0.711827

0.9840

Serial 1

0.706149

0.9833

Serial 2

0.110952

0.9833

Lempel-Ziv value

0.071177

0.9900

Linear complexity

0.487885

0.9967

  1. Table 4 gives the results of all statistical tests for the considered sequence.