In the model communications system, the modulation process also is loaded the digital signal in the carrier scope value, the carrier frequency or on the carrier phase.
在典型的通信系统中，调制过程是数字信号加载在载波的幅度值、载波的频率或者载波的相位上。
This approach analyzes sub-system on the level of construction due to it's digital model , and it gets the system's general credibility with AHP to process data.
该方法按数学模型对子系统进行结构水平上的分解，运用层次分析法来处理数据获得对子系统的仿真可信性的评估。
The aim of thepaper is to construct a holistic framework of digital watershed model system.
本文的研究目标就是建立全流域的数字流域模型框架。
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