A Chaotic Spread Spectrum Sequence Generation Method Based on Dynamic Multi-map Recombination
A technology of spread spectrum sequence and generation method, which is applied in the field of chaotic spread spectrum sequence generation based on dynamic multi-mapping compounding, and can solve problems such as the performance impact of chaotic sequences
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[0010] 1) Pass input parameters, namely: control parameter k, initial value parameter z 1 and x 1 , the fractal parameter α. Among them, the initial value parameter z 1 The value range is (0,1), the initial value parameter x 1 The value range of is (-1,1). The value range of the fractal parameter α is (0,1). The value of the control parameter k is 0 or 1, which mainly controls the matching of odd and even maps from the set of Chebyshev maps and improved Logistic maps. When k=0, the Chebyshev maps are odd maps, and the improved Logistic maps are even maps. When k=1, the improved Logistic map is an odd map, and the Chebyshev map is an even map.
[0011] 2) According to the analysis of the input parameters, the fractal parameter α of the Kent map is obtained. Since the Kent map presents the best chaotic form when α=0.4997, the trigger fractal parameter α is set to 0.4997 when the system starts. (i.e. when n=1), Kent mapping initial value z 1 Input by the user, the initial ...
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