一种二次雷达信号载频测试技术研究与实现  

Design and implementation of secondary surveillance radar carrier frequency test technology

作　　者：张旭伟 ZHANG Xuwei(The 10 th Research Institute of China Electronics Technology Group Corporation,Chengdu 610036,China)

机构地区：[1]中国电子科技集团公司第十研究所,成都610036

出　　处：《自动化与仪器仪表》2021年第7期200-202,共3页Automation & Instrumentation

基　　金：国家安全重大基础研究项目:飞行器平台射频隐身技术基础研究(No.***181)。

摘　　要：二次雷达设备测试检定对于维护空中安全具有十分非常重要的意义,针对二次雷达载波频率测量,提出一种基于快速傅里叶变换的测频算法。为实现测试设备小型化,基于ZYNQ+AD9361零中频硬件架构完成算法的开发,测试结果验证了算法的有效性和可行性,频率分辨率可达到39.06 kHz。Testing and verification of secondary radar equipment is very important for maintaining air safety.Aiming at the measurement of secondary radar carrier frequency, a novel method of instantaneous frequency measurement based on fast Fourier transform(FFT) is proposed.In order to realize the miniaturization of test equipment, the algorithm is developed based on the ZYNQ+AD9361 zero-IF hardware architecture.The test results verify the effectiveness and feasibility of the algorithm, and the frequency resolution can reach 39.06 kHz.

关 键 词：二次雷达 瞬时测频 快速傅里叶变换 

分 类 号：TH89[机械工程—仪器科学与技术]