称为物理层协议的两个底层处理网络电缆上的实际信号传输。
The two bottom layers, called the physical layer protocols, take care of the actual signal transfer over the network cable.
本文的工作集中在TD-SCDMA空中接口物理层基带信号处理的核心技术：信道的编码和复用。
Work of this paper focus on the core technology , namely Channel Coding and Multiplexing of baseband signal process of radio interface physical layer in TD-SCDMA.
传统方法只能分析系统中的单一低速总线，分别观测物理层信号和数据层数据进行分析。
Traditional analysis tools only cover the single low speed bus and test signals in physical layer and data layer respectively.
本文物理层接口电路是USB2.0接口芯片中的最关键的高速模拟与混合信号电路。
The transceiver interface circuit in this dissertation is the most important part of USB2.0 interface which is a high speed mixed signal circuit.
协作ARQ协议将协作通信范围由物理层的信号处理推广到链路层的数据传输。
Cooperative ARQ protocols will extend Cooperative Communication's range from the signal processing of physical layer to the data transmission of data link layer.
协作ARQ协议将协作通信范围由物理层的信号处理推广到链路层的数据传输。
Cooperative ARQ protocols will extend Cooperative Communication's range from the signal processing of physical layer to the data transmission of data link layer.
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