IFF应答信号实时检测技术

IFF Answer Signal Real - time Detection Technique

为了在非合作条件下对敌我识别(Identification Friend or Foe,IFF)信号进行实时检测,分析IFF应答信号的特征,提出IFF应答信号实时检测技术,对其中基于多相滤波的正交变换、包络检波及脉冲参数精确测量等关键技术进行了分析,并在现场可编程门阵列(FPGA)中进行了实现及测试,证明该技术完全满足工程实现的需求。

In order to detect IFF signal in non-cooperative condition,this paper analyzes the characteristics of IFF answer signal, designs the way of IFF answer signal real-time detection. The key techniques such as digital orthogonal transformation techniques based on polyphase filtering, envelope detection and pulse parameter measurement are analyzed in this paper. Finally, the real-time detection of pulse signal is implemented and tested in FPGA. The results show that this technique can meet the requirements of engineering aoolications.