摘要
雷达回波信号是非平稳的信号,其瞬时频率是雷达接收机所接收到的回波信号的重要参数,可以获知空间目标的运动信息。分析了雷达回波信号处理过程中所产生的多普勒瞬时频率的数学基础,并采用时频分析的方法仿真了多普勒瞬时频率的性能参数。
Radar echo signal is nonstationary signal, and its instantaneous frequency is an important parameter in the received echo signal by radar receiver, from which the moving information of space target can be obtained. The foundation of mathematics is analyzed regarding Doppler instantaneous frequency brought out in the radar echo signal processing, and the performance parameter of the Doppler instantaneous frequency is simulated by the method of time-frequency analysis.
出处
《现代防御技术》
北大核心
2009年第4期128-131,共4页
Modern Defence Technology
关键词
瞬时频率
时频分析
多普勒雷达信号
instantaneous frequency
time-frequency analysis
Doppler radar signal
