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FEASIBLE PLAN AND BASIC CALCULATION OF DIGITALIZATION TRANSMISSION OF SUBSCRIBER LINE CIRCUIT IN THE SYMMETRIC COMMUNICATION CABLE |
Jiang Chang yian |
Lanzhou Railw ay Insti tute |
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Abstract The paper ex po unds the impo rtant meaning of the subscriber line ci rcui t in digitalization develo pment o f the communicatio n netw o rk, a nd analy zes the feasible plan of the subscriber line circui t by using the symmet ric cable fo r achieving the digi talization t ra nsmi ssio n. On the ba si s o f crosstalk theory , the ba sic calculating method fo r the amo unt of line-pairs w hich can be used in digi tal sig nal transmissio n and the cro sstalk inf luence in the cable are proposed.
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Received: 10 January 1998
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2 |
迟惠生. 数字传输系统. 北京 人民邮电出版. 1979
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