SIMPLE MULTIPLEXING METHOD FOR PULSED ANALOG SIGNAL AND DIGITAL SIGNAL IN OPTICAL COMMUNICATIONS.

被引：0
|
作者：
Kusakabe, Hiroyuki [1 ]
Nakagawa, Masao [1 ]
机构：
[1] Keio Univ, Yokohama, Jpn, Keio Univ, Yokohama, Jpn
来源：
Electronics and Communications in Japan, Part I: Communications (English translation of Denshi Tsushin Gakkai Ronbunshi) | 1988年 / 71卷 / 02期
关键词：
COMPUTER SIMULATION - DIGITAL COMMUNICATION SYSTEMS - Voice/Data Integrated Services - NOISE; SPURIOUS SIGNAL - Thermal Noise - SEMICONDUCTOR DIODES; PHOTODIODE - TELEVISION TRANSMISSION;
D O I：
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摘要：
There is a need for simultaneous optical transmission of two distinct signals, broadband analog video signal, and digitalized PCM voice signal or digital data signal, such as in TV transmission. Conventional multiplexing methods such as FDM, TDM, and WDM, can be applied, but some problems remain to be solved. This paper proposes a simple multiplexing method for a pulse analog signal and digital signal, which are multiplexed in different directions, time and amplitude. The proposed method is analyzed both by theory and simulation, and it is shown that with very slight deterioration of the analog signal, the multiplex transmission of digital signals with good quality can be obtained.
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页码：81 / 88
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