—In this paper we described the process of generating a high-dimensional hyperchaos in signal communication and computer chaotic encryption. We found out four new high-dimensional complex hyperchaotic systems and three regular ways to generate highdimensional hyperchaotic systems. Then we revealed the relationship between the low-dimensional chaos and highdimensional hyperchaos and studied the features of phase space maps and Lyapunov exponents maps of highdimensional complex hyperchaotic system. The results of theoretical analysis and experiment show that the new highdimensional complex hyperchaotic system have strong chaotic features.
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