毫米波多模制导关键技术研究

Research on Key Techniques of Multi-mode Millimeter Wave Guidance

提出了利用频率步进/调频步进信号/脉冲多谱勒多种体制来提高毫米波制导的作用距离,讨论了多模制导中的一些关键技术,首先分析并比较了频率步进与调频步进信号的抗噪声性能和作用距离,然后讨论了动目标检测所带来的问题及脉冲多普勒测速的补偿方法,说明了脉冲多普勒、调频步进、步进频率复合体制的工作的可行性,并给出了实现方案。最后探讨了圆锥扫描体制下目标角误差的提取算法,并给出了计算仿真结果。

A method is presented to improve the operating range of the mmw guidance system utilizing multimode signal waveform,such as stepped frequency,FM stepped frequency and pulse doppler.Some key techniques of multimode mmw guidance are discussed.First,the performances of anti-noise and operating range of FM-frequency stepped system and frequency stepped system are analyzed and compared in this paper.The problem brought about by the moving targets in the FM-frequency stepped system is discussed,and compensation method is provided for Pulse Doppler velocity measurement,which proved the feasibility of multi-mode millimeter wave guidance system with Pulse Doppler,frequency stepped and FM-frequency stepped.Finally,the angle error extracting algorithm in conical scan system is presented,and the simulation results are provided.