To aim at the multimode character of the data from the airplane detecting system, the paper combines Dempster- Shafer evidence theory and subjective Bayesian algorithm and makes to propose a mixed structure multimode ...To aim at the multimode character of the data from the airplane detecting system, the paper combines Dempster- Shafer evidence theory and subjective Bayesian algorithm and makes to propose a mixed structure multimode data fusion algorithm. The algorithm adopts a prorated algorithm relate to the incertitude evaluation to convert the probability evaluation into the precognition probability in an identity frame, and ensures the adaptability of different data from different source to the mixed system. To guarantee real time fusion, a combination of time domain fusion and space domain fusion is established, this not only assure the fusion of data chain in different time of the same sensor, but also the data fusion from different sensors distributed in different platforms and the data fusion among different modes. The feasibility and practicability are approved through computer simulation.展开更多
在信息化战争背景下,敌我识别(Identification Friend or Foe,IFF)技术得到快速发展,对敌方IFF系统的有效干扰是保护己方设备安全的重要手段。介绍了一种基于现场可编程逻辑阵列(Filed Programmable Gate Array,FPGA)器件和高速数模转换...在信息化战争背景下,敌我识别(Identification Friend or Foe,IFF)技术得到快速发展,对敌方IFF系统的有效干扰是保护己方设备安全的重要手段。介绍了一种基于现场可编程逻辑阵列(Filed Programmable Gate Array,FPGA)器件和高速数模转换器(Digital to Analog Converter,DAC)的IFF信号模拟器的实现方法,配合IFF侦察系统可实现对敌方IFF系统进行实时、有效的干扰。展开更多
文摘To aim at the multimode character of the data from the airplane detecting system, the paper combines Dempster- Shafer evidence theory and subjective Bayesian algorithm and makes to propose a mixed structure multimode data fusion algorithm. The algorithm adopts a prorated algorithm relate to the incertitude evaluation to convert the probability evaluation into the precognition probability in an identity frame, and ensures the adaptability of different data from different source to the mixed system. To guarantee real time fusion, a combination of time domain fusion and space domain fusion is established, this not only assure the fusion of data chain in different time of the same sensor, but also the data fusion from different sensors distributed in different platforms and the data fusion among different modes. The feasibility and practicability are approved through computer simulation.
文摘在信息化战争背景下,敌我识别(Identification Friend or Foe,IFF)技术得到快速发展,对敌方IFF系统的有效干扰是保护己方设备安全的重要手段。介绍了一种基于现场可编程逻辑阵列(Filed Programmable Gate Array,FPGA)器件和高速数模转换器(Digital to Analog Converter,DAC)的IFF信号模拟器的实现方法,配合IFF侦察系统可实现对敌方IFF系统进行实时、有效的干扰。
