KR970013643A - Chaotic Frequency Transition Variation, Demodulation Circuit - Google Patents

Chaotic Frequency Transition Variation, Demodulation Circuit Download PDF

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Publication number
KR970013643A
KR970013643A KR1019950023653A KR19950023653A KR970013643A KR 970013643 A KR970013643 A KR 970013643A KR 1019950023653 A KR1019950023653 A KR 1019950023653A KR 19950023653 A KR19950023653 A KR 19950023653A KR 970013643 A KR970013643 A KR 970013643A
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KR
South Korea
Prior art keywords
chaotic
demodulation circuit
circuits
circuit
frequency shifting
Prior art date
Application number
KR1019950023653A
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Korean (ko)
Other versions
KR0135892B1 (en
Inventor
박광현
구인수
정종은
박석준
Original Assignee
신재인
한국원자력연구소
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Publication date
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Priority to KR1019950023653A priority Critical patent/KR0135892B1/en
Publication of KR970013643A publication Critical patent/KR970013643A/en
Application granted granted Critical
Publication of KR0135892B1 publication Critical patent/KR0135892B1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/001—Modulated-carrier systems using chaotic signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K1/00—Secret communication
    • H04K1/02—Secret communication by adding a second signal to make the desired signal unintelligible
    • H04K1/025—Secret communication by adding a second signal to make the desired signal unintelligible using an analogue chaotic signal

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)

Abstract

본 발명은 카오스 주파수 천이 변,복조회로에 관한 것으로, 결합동기와 구동동기를 동시에 이용하여, 비밀보호 통신회로에 복조회로를 간단히 구성하고 정확한 출력신호를 검출하여 S/N비를 향상시켜 완벽한 비밀보호 통신을 구현하는데 적당한 카오스 주파수 천이 변,복조회로를 제공하기 위함이다. 이를 위한 본 발명의 카오스 주파수 천이 변,복조회로는 고유특성은 변하지 않고 체배주파수를 발생시켜 정송정보 신호를 변조하여 카오스 반송파로 전송하는 복수개의 카오스 회로로 구성된 카오스 변조회로부와, 상기 카오스 변조회로부에서 전송하는 반송파로부터 전송정보 신호를 검출하는 복조회로부를 동시에 구비하여 이루어짐을 특징으로 한다.The present invention relates to a chaotic frequency shifting and demodulation circuit, by using a combination synchronization and driving synchronization at the same time, simply configure a demodulation circuit in a secret communication circuit and detect the correct output signal to improve the S / N ratio This is to provide a chaotic frequency shifting and demodulation circuit suitable for implementing perfect confidential communication. The chaotic frequency shifting and demodulation circuit of the present invention has a chaotic modulation circuit portion consisting of a plurality of chaotic circuits for generating a multiplication frequency without changing the intrinsic characteristics and modulating the transmission information signal to transmit the chaotic carrier, and the chaotic modulation circuit portion. And demodulating circuit unit for simultaneously detecting a transmission information signal from a carrier wave transmitted by the control unit.

[선택도 : 제1도][Selectivity: first degree]

Description

카오스 주파수 천이 변, 복조회로Chaotic Frequency Transition Variation, Demodulation Circuit

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

Claims (3)

고유특성은 변하지 않고 체배주파수를 발생시켜 전송정보 신호를 변조하여 카오스 반송파로 전송하는 복수개의 카오스 회로로 구성된 카오스 변조회로부와, 상기 카오스 변조회로부에서 전송하는 반송파로부터 전송정보 신호를 검출하는 복조회로부를 동시에 구비하여 이루어짐을 특징으로 하는 카오스 주파수 천이 변,복조회로.The intrinsic characteristic remains unchanged, and a chaos modulation circuit portion composed of a plurality of chaotic circuits for generating a multiplication frequency to modulate the transmission information signal and transmitting the chaotic carrier, and a demodulation circuit portion for detecting the transmission information signal from a carrier wave transmitted from the chaotic modulation circuit portion. Chaotic frequency shifting and demodulation circuit, characterized in that made at the same time. 제1항에 있어서, 상기 카오스 변조회로부는 복수개의 Chua회로를 X-결합회로를 이용하여 서로에 대해 n배(혹은1/n배)의 L과C를 갖도록 복수개의 Chua회로를 선형확산 결합시킴을 특징으로 하는 카오스 주파수 천이 변복조회로.2. The apparatus of claim 1, wherein the chaotic modulation circuit unit linearly spreads a plurality of Chua circuits to have n times (or 1 / n times) L and C with respect to each other using a plurality of Chua circuits using an X-combining circuit. Chaotic frequency shift modulation and demodulation circuit, characterized in that. 제1항에 있어서, 상기 복조회로부는 복수개의 Chua회로중 일부분의 회로만으로 구성하여 구동동기를 이용하여 전송신호를 검출함을 특징으로 하는 카오스 주파수 천이 변,복조회로.The chaos frequency shifting and demodulation circuit according to claim 1, wherein the demodulation circuit unit comprises only a part of circuits of a plurality of Chua circuits to detect a transmission signal using driving synchronous. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950023653A 1995-08-01 1995-08-01 Modulation and demodulation circuits of chaos frequency transition KR0135892B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950023653A KR0135892B1 (en) 1995-08-01 1995-08-01 Modulation and demodulation circuits of chaos frequency transition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950023653A KR0135892B1 (en) 1995-08-01 1995-08-01 Modulation and demodulation circuits of chaos frequency transition

Publications (2)

Publication Number Publication Date
KR970013643A true KR970013643A (en) 1997-03-29
KR0135892B1 KR0135892B1 (en) 1998-05-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950023653A KR0135892B1 (en) 1995-08-01 1995-08-01 Modulation and demodulation circuits of chaos frequency transition

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KR0135892B1 (en) 1998-05-15

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