基于BPSK调制的卫星移动通信遥测异常信号识别系统设计  

Design of Telemetry Abnormal Signal Recognition System for Satellite Mobile Communication Based on BPSK Modulation

作　　者：马艳梅 章科峰 MA Yanmei;ZHANG Kefeng(Information Engineering College,Wuhan Huaxia University of Technology,Wuhan Hubei 430223,China;Department of Physical Science and Technology,Central China Normal University,Wuhan Hubei 430079,China)

机构地区：[1]武汉华夏理工学院信息工程学院,湖北武汉430223 [2]华中师范大学物理科学与技术学院,湖北武汉430079

出　　处：《电子器件》2023年第2期321-325,共5页Chinese Journal of Electron Devices

基　　金：湖北省教育厅科学研究计划项目(B2022447,B2020309)。

摘　　要：为提高卫星移动通信遥测异常信号识别系统传输兼容性和识别准确率,设计了基于BPSK调制的卫星移动通信遥测异常信号识别系统。通过BP神经网络卫星移动通信遥测模块,建立B/S模式识别模块,借助BPSK数控振荡器及虚拟仪器通信模块,定向化处理遥测异常信号。确定非圆相位与非圆率,定义子空间特性原理,估计遥测异常信号传输方向,提取遥测异常信号瞬时特征与波形特征,计算遥测异常信号参数,实现卫星移动通信遥测异常信号识别。结果证实,所提系统的传输兼容性和识别准确率。In order to improve the transmission compatibility and recognition accuracy of satellite mobile communication telemetry abnor-mal signal recognition system,a satellite mobile communication telemetry abnormal signal recognition system based on BPSK modulation is designed.Through the telemetry module of satellite mobile communication of BP neural network,the B/S pattern recognition module is established.With the help of BPSK numerical control oscillator and virtual instrument communication module,the telemetry abnormal signal is processed directionally.The non-circular phase and non-circular rate are determined,the principle of subspace characteristics is defined,the transmission direction of telemetry abnormal signal is estimated,the instantaneous characteristics and waveform character-istics of telemetry abnormal signal are extracted,the parameters of telemetry abnormal signal are calculated,and the identification of te-lemetry abnormal signal of satellite mobile communication is realized.The results demonstrate the transmission compatibility and recog-nition accuracy of the proposed system.

关 键 词：BPSK调制 卫星移动通信 遥测异常信号 信号识别系统 B/S模式 

分 类 号：TN91[电子电信—通信与信息系统]