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RISS
Scrambling has been used as a method to encrypt the transmission signal for purpose of service protection from illegal use of unauthorized subscribers in Conditional Access system. More recently it is proposed to be used in a HDTV system such as MIT-C...
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RISS 인기검색어
https://www.riss.kr/link?id=A19648581
- 저자
- 발행기관
- 학술지명
- 권호사항
-
발행연도
1992
-
작성언어
Korean
-
KDC
104.000
-
자료형태
학술저널
-
수록면
183-191(9쪽)
- 제공처
- 소장기관
-
0
상세조회 -
0
다운로드
부가정보
다국어 초록 (Multilingual Abstract)
Scrambling has been used as a method to encrypt the transmission signal for purpose of service protection from illegal use of unauthorized subscribers in Conditional Access system. More recently it is proposed to be used in a HDTV system such as MIT-CC in order to turn ghost, correlated noise, to uncorrelated white noise. In this paper, band rotation scrambling method using a modified line rotation is proposed for the band-compressed system using QMF. And scrambling effects on conversion of ghost to white noise and service protection are studied and analyzed. As results, effects of whitening ghost and service protection by the proposed method are shown to be superior to the existing line rotation method.
Scrambling has been used as a method to encrypt the transmission signal for purpose of service protection from illegal use of unauthorized subscribers in Conditional Access system. More recently it is proposed to be used in a HDTV system such as MIT-CC in order to turn ghost, correlated noise, to uncorrelated white noise. In this paper, band rotation scrambling method using a modified line rotation is proposed for the band-compressed system using QMF. And scrambling effects on conversion of ghost to white noise and service protection are studied and analyzed. As results, effects of whitening ghost and service protection by the proposed method are shown to be superior to the existing line rotation method.
동일학술지(권/호) 다른 논문
-
- 慶北大學校
- 李一洙
- 1992
-
- 慶北大學校
- 金源
- 1992
-
- 慶北大學校
- 徐奉甫
- 1992
-
미소 진폭 파형벽을 가진 유로내에서 凝縮을 수반하는 定常 2次元 超音速 流動
- 慶北大學校
- 權純範
- 1992
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