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Title:
METHOD FOR ACQUIRING CHAOS SUPPRESSION PERIOD
Document Type and Number:
Japanese Patent JP2002305451
Kind Code:
A
Abstract:

To generate a large number of periods of identical length, by adding a shift in quantum α=0.25 or 0.75 and returning back to a map in nonlinear quantization, providing a quantum section to be linearized as a result, in the map of a nonlinear function generating chaos.

At repetitive calculation of a logistic map x(t+1)=4x(t){1-x(t)}, x(t)=x(t+1), a shift in quantum α=0.25 or 0.75 is added to an in-phase conversion quantization output Yn(t)=[2/π.arcsin(x(t))1/2.2n], and reversely converted and is fed back to internal state x(t), thus acquiring a period of (n+1) bit length for quantization resolution n.


Inventors:
SHONO KATSUFUSA
KONNO HAJIME
Application Number:
JP2001105393A
Publication Date:
October 18, 2002
Filing Date:
April 04, 2001
Export Citation:
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Assignee:
CHAOS SANGYO GIJUTSU KENKYUSHO
GM2 KK
International Classes:
G06F17/10; G06F7/58; G06F17/14; G09C1/00; H03M7/30; (IPC1-7): H03M7/30; G06F7/58; G06F17/10; G06F17/14; G09C1/00
Attorney, Agent or Firm:
Naoki Kubota