digital_data_communication_system

1.Terminal based on TETRA digital trunking mobile communication system could send and receive status and short data service message, and achieve navigation and location through short data service.
基于TETRA数字集群移动通信系统开发的TETRA终端，通过数据业务可以发送和接收状态消息和短数据业务消息，利用短数据业务完成终端导航定位功能。
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2.Data compressed encoding and uncompressed decoding is one of the key technologies applied widely in digital communication system at present.
数据压缩编码与解压解码技术是目前广泛应用的数字通信系统中的关键技术之一。
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3.Data communication system, method, apparatus and digital interface.
数据通信系统，方法，装置和数字接口。
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