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。
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。
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。
Single code and multiple code transmission schemes which can provide variable rate services are presented in a WCDMA system.
WCDMA系统提出了单码和多码两种多速率传输方案。
Image communication, code can be used to inhibit the static image jitter; enable digital transmission system for all digital information is transparent.
在图像通信中，扰码可以很好地抑制静态图像的抖动，能使数字传输系统对各种数字信息具有透明性。
We elaborate the key technology that must be solved in two HDTV transmission system schemes. A design principle of a concatenated code in HDTV is proposed.
阐述HDTV两种传输方案中必须解决的关键技术，提出了HDTV应用的级连码设计原则。
In this paper, a permutation code security algorithm based on the block cipher that is widely used in the data transmission system is put up after carefully studied the current encryption methods.
基于网络的数据传输安全问题是信息安全领域的重要课题之一，本文在分析现有数据加密方法的基础上，在数据传输系统中应用一种基于分组密码新概念的新算法—排列码加密算法。
HDB3 code is ordinary adopted in the baseband transmission system.
HDB3码是基带传输系统中经常采用的传输码型。
HDB3 code is ordinary adopted in the baseband transmission system.
HDB3码是基带传输系统中经常采用的传输码型。
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