A Method for Generating Composite Chaotic Sequences

Aiming at the shortcomings of the traditional one-dimensional chaotic mapping generation method, which is simple and easy to be intercepted and cracked by the enemy in the transmission process, a method of generating composite chaotic sequences is proposed, and the complexity, balance, initial traversal, autocorrelation and inter-correlation of the composite chaotic sequences are tested. The simulation shows that the composite chaotic sequence can meet the requirements of pseudo-random sequence in spread spectrum communication and can be applied to spread spectrum communication.