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The spread spectrum communication, as one of the most important techniques in the 21st century, receives a universal attention to the research on its key techniques. To study the performances of the chebyshev chaotic sequence in digital communication, mathematical analysis is made on the autocorrelation and cross-correlation property, and this paper gives a digital implementation of chebyshev chaotic sequence which is based on FPGA. The chebyshev chaotic sequence is generated by bit quantification function in quartus. It also has randomness and good correlation. The experimental results demonstrate that the output of the chebyshev chaotic sequence is stable and the advantages of without environment interference in the DE2. Index Terms - spread spectrum communication, Chebyshev chaotic sequence, the autocorrelation and cross-correlation property, quantization, FPGA

Simulation and Implementation of 2-order Chebyshev Chaotic Sequence Based on FPGA