基于仪表的多样式导航干扰信号的实现  

The Implementation of the Instrument Based on Various Navigation Interference Signal

作　　者：张坤 姜秋喜 欧阳晓凤 赵元[1] ZHANG Kun;JIANG Qiu-xi;OUYANG Xiao-feng;ZHAO Yuan(National University of Defense Technology Electronic Warfare Academy,Hefei 230037,China)

机构地区：[1]国防科技大学电子对抗学院

出　　处：《火力与指挥控制》2019年第6期128-131,共4页Fire Control & Command Control

基　　金：国防预研基金资助项目(41101020207)

摘　　要：为了更准确地实现对导航干扰的性能评估和功能验证,提出了应用矢量信号发生器、卫星导航接收模块和测试软件组成的半实物仿真系统。主要研究了包括针对GPS的几种典型压制干扰信号的样式和产生机理、MATLAB编程语言对其信号的仿真,以及利用矢量信号发生器的SCPI指令和通信接口完成射频信号的产生和控制,最后比较了干扰信号仿真和实测的时频域特性,验证了基于仪表方法的可行性。For more accurate implementation of the performance evaluation and function verification of navigation interference,a semi-physical simulation system of vector signal generator,satellite navigation receiving module and software is presented.This paper mainly studies the pattern and generation mechanism of several typical suppression jamming signals for GPS and the simulation of the signal by MATLAB programming language.And uses SCPI command of the vector signal generator and communication interface to complete the generation and control of RF signal.At last,it compares time and frequency domain characteristics of the jamming signal simulation and actual measurement and the feasibility of this method is verified.

关 键 词：半实物仿真系统 GPS 压制干扰 矢量信号发生器 

分 类 号：P228.4[天文地球—大地测量学与测量工程]