Signal transmission method, transmitter, receiver and expanding code synchronous method in mobile communication system.

移动通信系统中的信号传输方法，发射机，接收机和扩展码同步法。

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Then in light of the actual situation of the network manufacturing laboratories introduces the wireless access and the code transmission about the communication of the DNC system.

介绍直接数字控制（DNC）网络系统的基本概念及构成，结合网络制造实验室的实际情况对DNC系统通信的无线接入方式和代码传输进行研究。

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Both system bandwidth and transmission speed of code are very important property parameters in the baseband transmission process for digital signals.

在数字信号的基带传输过程中，信息传输速率和系统带宽是系统的两个重要性能指标。

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