根据涡旋电磁波的基本理论在对其性质进行了仿真分析;基于均匀圆形阵列模型验证了平方贝塞尔函数在俯仰角的混叠特性;将线性多普勒、旋转多普勒以及微多普勒的原理以及性质进行比较,以展示涡旋探测的优缺点;归纳了近几年涡旋电磁波在多普勒探测方面的研究进展,仿真验证了检测能力;同时,总结了在旋转多普勒和微多普勒探测中面临的 关键难题,并指出进一步研究的方向。

According to the basic theory of electromagnetic vortex wave, the properties of electromagnetic vortex waves are simulated and analyzed. Based on the uniform circular array model, the aliasing characteristics of the square Bessel function at the pitch Angle are verified. The principles and properties of linear Doppler, rotary Doppler and micro-Doppler are compared to show the advantages and disadvantages of vortex detection. The research progress of electromagnetic vortex wave Doppler detection in recent years is summarized, and the detection ability is verified by simulation. At the same time, the key problems in rotary Doppler and micro-Doppler detection are summarized, and the direction of further research is pointed out.

TM153

国家自然科学基金资助项目(61771490);陕西省自然科学基金资助项目(2018JM6055);科研团队项目 (KYTD201803);武警工程大学基础研究基金资助项目(WJY201908)