KR0150664B1 - 카오스 신호 검출장치와 카오스 신호 검출방법 - Google Patents
카오스 신호 검출장치와 카오스 신호 검출방법Info
- Publication number
- KR0150664B1 KR0150664B1 KR1019940034728A KR19940034728A KR0150664B1 KR 0150664 B1 KR0150664 B1 KR 0150664B1 KR 1019940034728 A KR1019940034728 A KR 1019940034728A KR 19940034728 A KR19940034728 A KR 19940034728A KR 0150664 B1 KR0150664 B1 KR 0150664B1
- Authority
- KR
- South Korea
- Prior art keywords
- dimension
- chaos
- cpn
- signal
- chaotic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 23
- 230000000739 chaotic effect Effects 0.000 claims abstract description 31
- 238000000034 method Methods 0.000 claims abstract description 20
- 238000004364 calculation method Methods 0.000 claims description 19
- 230000003111 delayed effect Effects 0.000 claims 1
- 238000003745 diagnosis Methods 0.000 abstract description 3
- 238000004458 analytical method Methods 0.000 description 10
- 238000004445 quantitative analysis Methods 0.000 description 4
- 239000013598 vector Substances 0.000 description 3
- 230000000875 corresponding effect Effects 0.000 description 2
- 238000005291 chaos (dynamical) Methods 0.000 description 1
- 239000011093 chipboard Substances 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000012489 doughnuts Nutrition 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000004451 qualitative analysis Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
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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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/001—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using chaotic signals
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Complex Calculations (AREA)
Abstract
Description
Claims (6)
- 주어진 지연 시간값과 임베딩 차원값에 따라 분석 대상이 되는 동역학 시스템으로부터 측정되어지는 신호로부터 실시간으로 상관 차원을 계산하는 다수의 카오스 프로세서(CP1-CPn)와, 상기 카오스 프로세서(Cp1-CPn)에서 계산된 상관 차원값들을 입력받아 이들을 비교하여 카오스 신호인가 또는 잡음인가를 판단하고, 수렴된 상관 차원을 출력하는 판단부(1)와, 상기 각각의 카오스 프로세서(CP1-CPn)에 적절한 임베딩 차원값, 지연시간값, 클럭, 인에이블신호를 입력해주고, 상기 판단부로부터 적절한 임베딩 차원값을 다시 공급받아 카오스 프로세서(CP1-CPn)를 제어하는 제어부(2)로 구성된 것을 특징으로 하는 카오스 신호 검출장치.
- 제1항에 있어서, 상기 제어부(2)는 상관 차원값을 계산하는 구간내의 데이타를 모두 저장하는 기억수단과, 상기 기억수단에서 상관 차원 계산에 필요한 데이타만 인출해 각각의 카오스 프로세서(Cp1-CPn)에 공급하는 데이타 인출수단을 포함하여 구성됨을 특징으로 하는 카오스 신호 검출장치.
- 지연신간(τ)과 초기 임베딩 차원(EDi), 최대 임베딩 차원(EDmax), 임베딩 차원의 증가분(ΔED)을 지정하는 초기값 지정 단계와, 상기 지정된 값에 의해 상관 차원을 각각 병렬적으로 계산하는 상관 차원 계산단계와, 상기 계산된 상관 차원값을 비교하여 수렴된 카오스 상관 차원값을 출력하는 비교출력단계로 이루어진 것을 특징으로 하는 카오스 신호 검출방법.
- 제3항에 있어서, 상기 비교출력단계에서 계산된 상관 차원값을 비교하여, Dc(1)Dc(2) .... Dc(CPn)이면 임베딩 차원을 늘려서 상관 차원 계산단계를 반복하고, Dc(j)≒Dc(j+1)≒ .... ≒Dc(CPn) 이면 Dc(CPn)으로 수렴된 카오스 상관 차원값으로 출력하는 과정을 실행함을 특징으로 하는 카오스 신호 검출방법.
- 제4항에 있어서, 상기 상관 차원 계산단계에서 임베딩 차원값을 각각, EDi, EDi+ΔEd, ...., EDi+(i-1)ΔED, .... EDi+(CPn-1)ΔED로 늘려서 계산하는 과정을 실행함을 특징으로 하는 카오스 신호 검출방법.
- 제4항에 있어서, 최대 임베딩 차원값(EDmax)까지 상기 과정을 반복하여 실행한 후에도 수렴성을 찾지 못한 경우 주어진 신호를 잡음으로 판단하여 출력함을 특징으로 하는 카오스 신호 검출방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019940034728A KR0150664B1 (ko) | 1994-12-16 | 1994-12-16 | 카오스 신호 검출장치와 카오스 신호 검출방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019940034728A KR0150664B1 (ko) | 1994-12-16 | 1994-12-16 | 카오스 신호 검출장치와 카오스 신호 검출방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR960025153A KR960025153A (ko) | 1996-07-20 |
KR0150664B1 true KR0150664B1 (ko) | 1998-10-15 |
Family
ID=19401930
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019940034728A Expired - Fee Related KR0150664B1 (ko) | 1994-12-16 | 1994-12-16 | 카오스 신호 검출장치와 카오스 신호 검출방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR0150664B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100692599B1 (ko) * | 2005-03-24 | 2007-03-13 | 삼성전자주식회사 | 길이 분할 다중 접속 방식을 이용한 신호 전송 방법 및장치 |
-
1994
- 1994-12-16 KR KR1019940034728A patent/KR0150664B1/ko not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR960025153A (ko) | 1996-07-20 |
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