摘要
分析了无线衰落信道的基本特性,利用分集接收技术改善传输信号的信噪比。在空间分集技术领域进行了理论上的分析和基本模型的建立,计算出了各模型的信噪比及其改善倍数,并对比分析。采用基本的数字信号处理器及所需转换芯片进行数据接收系统的构建,以实现多支路接收信号提高信噪比的功能。
This paper analyzes the basic characteristics of the wireless channel diversity receiver technology to improve the signal-to-noise ratio of the transmission signal.In this paper,the field of diversity in space and the theoretical analysis and the basic model to calculate the signal-to-noise ratio of each model and improve multiples,and do a comparative analysis.Using the basic digital signal processor and the desired conversion chip set up the data receiving system,in order to achieve a multibranch receiving the signal to improve the function of the signal-to-noise ratio.
出处
《煤矿机械》
北大核心
2013年第8期244-246,共3页
Coal Mine Machinery
关键词
无线衰落
分集接收
信噪比
wireless fading
diversity reception
signal-to-noise ratio
