BFSK信号循环平稳特性分析  

作　　者：王召 刘大伟 

机构地区：[1]中国民用航空飞行学院洛阳分院,河南洛阳471000

出　　处：《科技创新与应用》2023年第24期82-85,共4页Technology Innovation and Application

基　　金：中国民用航空飞行学院校级项目(QJ2022-137)。

摘　　要：该文给出二进制频移键控(BFSK)信号数学模型,推导BFSK信号的循环自相关函数和循环谱密度函数的数学表达式,分析并证明其具有循环平稳特性;最后给出Matlab仿真实验。仿真结果表明,BFSK信号具有循环平稳特性,属于循环平稳信号。In this paper,the mathematical model of binary frequency shift keying(BFSK)signal is given,the mathematical expressions of cyclic autocorrelation function and cyclic spectral density function of BFSK signal are derived,and the cyclic stationary characteristics are analyzed and proved.Finally,the Matlab simulation experiment is given.The simulation results show that BFSK signal has the characteristics of cyclic stationary and belongs to cyclic stationary signal.

关 键 词：BFSK信号 循环谱 循环平稳信号 循环自相关函数 数值仿真 

分 类 号：TQ018[化学工程]