基于半实物仿真的时差定位系统激励源设计  

Design of Driving Source for TDOA Location System Based on Semi-physical Simulation

作　　者：先登飞[1] XIAN Deng-fei(Sichuan Jiuzhou Electric Group Co.,Ltd,Mianyang 621000,China)

机构地区：[1]四川九洲电器集团有限责任公司

出　　处：《舰船电子对抗》2019年第4期100-104,共5页Shipboard Electronic Countermeasure

摘　　要：基于多站时差无源定位系统关键技术研究、算法性能优化、定位误差分析、功能性能验证等需求,提出了基于Matlab和通用仪器的半实物仿真系统。通过软件完成场景仿真和信号波形文件生成,利用通用仪器完成外触发脉冲信号产生和信号波形文件播放、上变频、放大和输出。经试验验证,该方法参数设置灵活、可实现任意调制方式的信号模拟、所生成的多路中频信号时序关系精度高,满足多站时差无源定位系统测试需求。On account of the requirement of key technology research,algorithm performance optimization,location error analysis,function/performance validation,etc.for multi-station time difference of arrival(TDOA)passive location system,this paper proposes a semi-physical simulation system based on Matlab and general instruments.The scene simulation and signal wave form file are completed through software,and the out trigger pulse signal&signal wave form file are broadcasted,up-converted,amplified and output by using general instrument.Through test validates that,for the method,parameter can be set flexibly,signal simulation of any modulation mode can be realized,the timing relation of generated multichannel IF signal has high accuracy,which meet the testing requirement of the multi-station TDOA passive location system.

关 键 词：到达时间差 半实物仿真 激励源 多通道 

分 类 号：TN971[电子电信—信号与信息处理]