非線性轉(zhuǎn)移函數(shù)對(duì)濾波器結(jié)構(gòu)混沌信號(hào)周期特性的改善

陳勇; 凌聰

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非線性轉(zhuǎn)移函數(shù)對(duì)濾波器結(jié)構(gòu)混沌信號(hào)周期特性的改善

陳勇, 凌聰

文章導(dǎo)航 > 電子與信息學(xué)報(bào) > 2001 > 23(8): 829-832

陳勇, 凌聰. 非線性轉(zhuǎn)移函數(shù)對(duì)濾波器結(jié)構(gòu)混沌信號(hào)周期特性的改善[J]. 電子與信息學(xué)報(bào), 2001, 23(8): 829-832.

引用本文:

陳勇, 凌聰. 非線性轉(zhuǎn)移函數(shù)對(duì)濾波器結(jié)構(gòu)混沌信號(hào)周期特性的改善[J]. 電子與信息學(xué)報(bào), 2001, 23(8): 829-832.

Chen Yong, Ling Cong. NONLINEAR TRANSFER FUNCTION IMPROVING THE PERIOD PROPERTY OF (QUASI-)CHAOTIC DIGITAL FILTERS[J]. Journal of Electronics & Information Technology, 2001, 23(8): 829-832.

Citation:

Chen Yong, Ling Cong. NONLINEAR TRANSFER FUNCTION IMPROVING THE PERIOD PROPERTY OF (QUASI-)CHAOTIC DIGITAL FILTERS[J]. Journal of Electronics & Information Technology, 2001, 23(8): 829-832.

陳勇, 凌聰. 非線性轉(zhuǎn)移函數(shù)對(duì)濾波器結(jié)構(gòu)混沌信號(hào)周期特性的改善[J]. 電子與信息學(xué)報(bào), 2001, 23(8): 829-832.

引用本文:

陳勇, 凌聰. 非線性轉(zhuǎn)移函數(shù)對(duì)濾波器結(jié)構(gòu)混沌信號(hào)周期特性的改善[J]. 電子與信息學(xué)報(bào), 2001, 23(8): 829-832.

Chen Yong, Ling Cong. NONLINEAR TRANSFER FUNCTION IMPROVING THE PERIOD PROPERTY OF (QUASI-)CHAOTIC DIGITAL FILTERS[J]. Journal of Electronics & Information Technology, 2001, 23(8): 829-832.

Citation:

Chen Yong, Ling Cong. NONLINEAR TRANSFER FUNCTION IMPROVING THE PERIOD PROPERTY OF (QUASI-)CHAOTIC DIGITAL FILTERS[J]. Journal of Electronics & Information Technology, 2001, 23(8): 829-832.

非線性轉(zhuǎn)移函數(shù)對(duì)濾波器結(jié)構(gòu)混沌信號(hào)周期特性的改善

陳勇^①;凌聰,
凌聰

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出版歷程
- 收稿日期: 1999-07-30
- 修回日期: 2000-02-15
- 刊出日期: 2001-08-19

NONLINEAR TRANSFER FUNCTION IMPROVING THE PERIOD PROPERTY OF (QUASI-)CHAOTIC DIGITAL FILTERS

Chen Yong^①;凌聰,
Ling Cong

摘要

摘要: 通過(guò)零輸入和有輸入狀況下具有混沌特性的非線性數(shù)字濾波器輸出信號(hào)周期的對(duì)比,本文提出添加非線性轉(zhuǎn)移函數(shù)來(lái)改善非線性濾波器輸出序列的性能。數(shù)值結(jié)果表明,輸出序列的周期有顯著改善,相關(guān)特性優(yōu)良。此結(jié)構(gòu)便于數(shù)字電路實(shí)現(xiàn),有利于產(chǎn)生的混沌序列在數(shù)字通信中應(yīng)用。
- 混沌; 數(shù)字濾波器; 非線性轉(zhuǎn)移函數(shù)
Abstract: In this paper, a method to improve the period property of (quasi-)chaotic digital filters by inserting a nonlinear transfer function is presented. Simulation results show that the resulted chaotic sequences have siginificantly increased periods while still preserving good correlation. Moreover, the structure is well suited to be realized in digital hardware and is thus attractive for applications to digital communications.

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參考文獻(xiàn)(1)

R.F. Douglas, Chaotic digital encoding: An approach to secure comnmunication, IEEE Trans on CAS-II, 1993, CAS-II-40(10), 660-666.[2]Ling Cong, Sun Songgeng, Chaotic frequency hopping sequences, IEEE Trans. on Commun.1998, COM-46(11), 1433-1437.[3]T. Lin, L. O. Chua, On chaos of digital filters in the real world, IEEE Trans. on CAS, 1991, CAS-38(5), 557-558.[4]T. Lin, L. O. Chua, Chaos in digital filters, IEEE Trans. on CAS, 1988, CAS-35(6), 648-658.[5]周紅,凌燮亭,有限精度混沌系統(tǒng)的m序列擾動(dòng)實(shí)現(xiàn),電子學(xué)報(bào),1997,25(7),95-97[6]M. Gotz, K. Kelber, W. Schwarz, Discrete-time chaotic encryption systems-Part I: Statistical design approach, IEEE Trans. on CAS-I, 1997, CAS-I- 44(10), 963-970.

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