Normal cycle characteristics by preserving certain changes may not Chaotic device for generating amplitude-modulated signal (400, 500, 600) and the method 300 is started. The method comprising the steps of: generating a PAM signal that includes a pulse amplitude modulation having an amplitude that changes periodically; A constant power envelope signal by dividing the signal by the square root of the size of the PAM PAM signal the step of generating a first portion (FPCPES); Of claim (1) a constant power envelope signal that has the same size as the square root of what obtained by subtracting the size of the PAM signal in generating a second portion (SPCPES); And a step of the first and second spreading sequences to generate soup (FSS and SSS). The methods include the step of combining to generate the SSS and SPCPES step and the second product signal to combine with FSS FPCPES (SPS) in order to generate a first product signal (FPS) also. Constant power envelope signal is generated by using the FPS and SPS.
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