本文研究了以TDD技术作为主要传输方式的数字无线语音传输系统。
The digital wireless voice transmission system based on TDD technology is studied in this thesis.
研究了陆地集群无线通信（TETRA）数字集群移动通信系统的语音压缩编解码算法的基本原理。
This paper describes the basic theory of speech compression encoding and decoding algorithm in TETRA (terrestrial trunked radio) system.
智能无线电子解说系统主要由两部分组成，第一、无线区域识别；第二、基于嵌入式的数字化语音录放系统。
Intelligent wireless explication system is mainly made up of two parts: wireless area distinguishing system and the digital speech record and play system based on embedded technology.
应用推荐