摘要
针对多功能雷达工作在搜索方式时,其工作模式的转换以及同一模式下的脉冲信号均有规律可循的工作特点,提出一种基于雷达信号成形规律的样本体系描述技术。该方法利用多功能雷达工作模式的转换规律和脉冲本身的时频域参数变化规律,建立搜索模式转换样本、脉冲样本图和样本脉冲的层级数学模型,对多功能雷达脉冲信号成形规律进行提取和准确描述。仿真实验表明,样本体系描述技术不仅能够提取其对应的复杂体制雷达工作模式和脉冲信号,而且对噪声环境具有较好的适应能力。
When multi-function radars work in search mode, both the work modes conversion and the pulse signals under the same mode have laws to follow. Aiming at such working characteristic, a pattern system description method is proposed based on radar signal shaping laws. In this method, by utilizing the work modes conversion laws of multi-function radar and the changing laws of time and frequency domain parameters in pulse itseff, the hierarchy mathematic models of search mode conversion pattern, pulse sequence pattern and pattern pulse are established to extract and describe the pulse signal shaping laws of multi-function radar accurately. Simulation experiments demonstrate that the pattern system description technique not only can extract corresponding work modes and pulse signals of complex system radars, but also well adapt to noisy environment.
出处
《现代雷达》
CSCD
北大核心
2015年第2期13-19,共7页
Modern Radar
基金
国家自然科学基金资助项目(60801044)
预研基金资助项目(9140A21030209JB3901)
