本文主要工作如下：(1)论述了双模态语音识别基本原理及相关技术，并提出了双模态车载语音控制仿真系统的设计方案。
The main works in this thesis as follow: 1 the basic knowledge of audio-visual speech recognition is studied, and the design is proposed for audio-visual vehicle control simulation system.
本文首先介绍了语音识别和软件无线电的基本原理。
At first, the methods of speech recognition and radio software are summarized in this paper.
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