It mainly contains the digital modulate system, the SS communication theory and the direct sequence spread spectrum (DSSS) system.
主要是数字调制系统、扩展频谱通信原理和直接序列扩频系统等内容。
In the second part, we study the theory of optical transceiver module in the digital fiber-optical communication system.
在论文的第二部分详细介绍了数字光纤通信系统中的光收发模块的基本原理。
The modern communication theory is used in the analysis of imaging systems. The object information density model is built for analogue and digital image respectively.
应用现代通信理论对成像系统进行了分析， 建立了模拟和数字图像的目标信息密度模型。
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