为实现检测和精确提取LPI(Low probability of intercepting)雷达中脉冲压缩(PC)雷达信号的参数,文章提出基于数字信道化的接收机,采用频域子带分数阶傅里叶变换聚焦、滤波处理方法,以增强雷达信号检测与去噪能力,实现对雷达弱信号的检...为实现检测和精确提取LPI(Low probability of intercepting)雷达中脉冲压缩(PC)雷达信号的参数,文章提出基于数字信道化的接收机,采用频域子带分数阶傅里叶变换聚焦、滤波处理方法,以增强雷达信号检测与去噪能力,实现对雷达弱信号的检测和参数提取。文中给出了数字信道化接收机结构和分数阶傅里叶滤波步骤,仿真及性能分析。展开更多
基金Supported by the National Natural Science Foundation of China(61371170)Funding of Jiangsu Innovation Program for Graduate Education(CXLX13_154)+1 种基金the Fundamental Research Funds for the Central Universities,the Priority Academic Program Development of Jiangsu Higher Education Institutions(PADA)Key Laboratory of Radar Imaging and Microwave Photonics,Ministry of Education,Nanjing University of Aeronautics and Astronautics
文摘为实现检测和精确提取LPI(Low probability of intercepting)雷达中脉冲压缩(PC)雷达信号的参数,文章提出基于数字信道化的接收机,采用频域子带分数阶傅里叶变换聚焦、滤波处理方法,以增强雷达信号检测与去噪能力,实现对雷达弱信号的检测和参数提取。文中给出了数字信道化接收机结构和分数阶傅里叶滤波步骤,仿真及性能分析。