摘要
信道带宽与功率互换原理是信息论的一条重要原理。然而本文将证明这条重要原理在扩频调制的通信体制中不能成立。
The exchange between signal power and channel bandwidth is an important deduction of Shannon's channel capacity theorem. But it will be proved in this paper that the exchang is untenable for spread spectrum system.
出处
《遥测遥控》
1998年第4期58-61,19,共5页
Journal of Telemetry,Tracking and Command
关键词
信息论
带宽
功率
扩频
Information theory Bandwidth Power Spread spectrum