频率源频谱特性对主动雷达导引头接收系统的影响  

Spectrum Character of Frequency Source Effects on Receiver System of Active-radar Seeker

作　　者：张龙[1] 马向峰[1,2] 

机构地区：[1]中国空空导弹研究院,洛阳471009 [2]航空制导武器航空科技重点实验室,洛阳471009

出　　处：《战术导弹技术》2015年第3期82-85,共4页Tactical Missile Technology

摘　　要：目标的隐身特性和复杂电磁背景,要求空空导弹雷达导引头频率源具有更低的相位噪声和杂散。首先在对频率源相位噪声、杂散等关键特性分析的基础上,根据主动雷达导引头工作原理,分别论述了本振信号及发射信号的相位噪声、杂散等频域非理想因素对接收系统的影响。为降低上述因素带来的接收性能恶化,给出了工程中通常采用的几种解决措施。Lower phase noise and spurious are required for air to air missile frequency source due to the stealth technology and complicated electromagnetic environment. The spectrum character of active-radar seeker is introduced. Then,based on principle of seeker,effects of LO and RF phase noise,spurious on receiver system are analysed particularly. At last,several methods on project are recommended to reduce infection of spectrum non-ideal factors on receiver performances.

关 键 词：相位噪声 杂散 接收系统 主动雷达导引头 频率源 

分 类 号：TJ765.3[兵器科学与技术—武器系统与运用工程]