Duobinary optical transmission apparatus

双二进制光传输设备没有使用现有的反馈型预编码器和电的低通滤波器而有相位逻辑乘的特性，因此消除了伪随机比特序列的影响。本发明实现了具有对光纤的色散增加抗扰度的传输系统，因此增加光信号的传输距离和传输速度。双二进制光传输设备包括光源输出光载波；NRZ光信号产生部分接收NRZ电信号，根据NRZ电信号调制光载波为NRZ光信号，输出NRZ光信号；双二进制光信号产生部分接收NRZ电信号，并调制NRZ光信号为双二进制光信号。不需要使用对NRZ电信号的预编码器和在通过NRZ光信号产生部分前的低通滤波器。 A duobinary optical transmission apparatus has a char...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	LEE HAN-LIM,OH YUN-JE,KIM SUNG-KEE,HWANG SEONG-TAEK
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY FREQUENCY-CHANGING NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF TRANSMISSION
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