基于PCI总线的雷达信号模拟器设计  

Design of a radar signal simulator based on PCI bus

作　　者：姚蕊蕊[1] 张兴敢[1] 魏耀[1] 

机构地区：[1]南京大学电子科学与工程学院,南京210093

出　　处：《电子测量技术》2011年第10期64-68,共5页Electronic Measurement Technology

基　　金：2011年江苏省研究生创新计划项目(CXZZ11_0043)

摘　　要：雷达信号模拟器是在雷达的现场调试、性能评估和设备维护中的必备工具,它基于仿真或者现场雷达数据,产生模拟信号。根据不同的雷达型号和调试、测试的内容,雷达信号模拟器需要提供不同的模拟信号。本文研究设计了1种基于PCI总线的雷达信号模拟器,并且给出了雷达信号模拟器的工作原理及设计方案,阐述了系统的硬件接口及控制模块。本信号模拟器的仿真信号具有易修改,可按需生成的特点,满足雷达性能评估和现场调试时对实时性和灵活性的需求,同时该模拟器能产生风切变回波模拟信号,为机载气象雷达的研究和部附件维护提供了基础。Radar signal simulator is an essential tool for the filed debugging,performance evaluation,equipment maintenance of the radar.Different radar types,different contents of debugging or testing require that the simulator can provide different radar signal.A radar signal simulator based on PCI bus is introduced in this paper,which automatically generates radar simulating signal according to simulation or field data.The working principle and the design of the radar signal simulator is illuminated in this paper,which else explains the hardware interface and the control module of the system.The proposed simulator in this paper can meet radar department performance evaluation and the real-time of flexibility demand of the field debugging,while the simulator can generate wind shear echo signals,which provides the basis of meteorological radar research and maintenance of meteorological department.

关 键 词：信号模拟器 FPGA PCI总线 

分 类 号：TN955[电子电信—信号与信息处理]