一种FM信号调制解调数字化实现方法研究

针对陆军某通信电台应用需求,本文提出了一种基于软件无线电设计思想的FM信号调制解调数字化实现方法,给出了数字化实现FM信号调制解调的原理架构及实现步骤,并与传统的模拟实现方式进行对比,最后对数字化实现过程进行了仿真验证.该方法已实际应用于项目,性能达到了军标要求.

Research on Digital Realization Method of FM Modulation and Demodulation

For the application demand of army communication station, a digital realization method of FM signal modulation and demodulation is proposed in the paper based on software radio design method. The principle and realization algorithm of digital realization for FM modulation and demodulation is given. In the simulation, the performance of our new proposed digital method is verified by comparing with the traditional analog method. Simulation results show that the new proposed method meets the military standard requirements.