多基编码技术在短波线路压扩器中的应用

The Application of Multi-Base-Encoding Technology in Shortwave Lincompex

短波线路压扩器并非一种新的概念，它的目的是为了充分利用发射机的发射功率，提高接收端的信噪比．传统的压缩扩张技术实现的线路复杂，对器件与线路的精度要求高．所以采用传统的压缩扩张技术很难达到预期的效果，限制了它在实际中的应用．若采用基于小波分析的多基编码技术与压缩扩张相结合的方法，不但在提高接收端信噪比方面取得了良好的效果，而且实现的方法简单，实时性能好。

The shortwave lincompex is not a new ideal. It's purpose is to fully profit the transmission power of transmitter and increase the SNR in receiver. But it is difficult to get an expected result by using traditional lincompex technology because of the complex circuit and high requirement of the components.If we use the multi-base -encoding technology based on wavelet on together with shortwave lincompex we can get a good SNR in receiver. Moreover, the means is very simple and real time property is very good.