PD fuse echo signal analysis method based on electromagnetic scattering driving

• Main Authors: GUO LIXIN, YU ZONGLIANG, DONG CHUNLEI, MENG XIAO
• Format: Patent
• Language: Chinese; English
• Published: 24.09.2021
• Subjects: ANALOGOUS ARRANGEMENTS USING OTHER WAVES; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES; MEASURING; PHYSICS; RADIO DIRECTION-FINDING; RADIO NAVIGATION; TESTING

The invention discloses a PD fuze echo signal analysis method based on electromagnetic scattering driving and relates to the technical field of radar detection, electromagnetic scattering calculation is combined with a signal model, and composite electromagnetic scattering data of a low-altitude target above a sea surface is obtained based on a hybrid solving model of a bidirectional ray tracing technology and a semi-analytical idea; then according to the working principle of the PD fuze, a PD fuze echo signal simulation model is established, a purpose of PD fuze echo signal simulation based on the physical mechanism level is achieved, and Doppler signals output by the baseband Doppler filter are further analyzed. 本发明公开了一种基于电磁散射驱动的PD引信回波信号分析方法，涉及雷达探测技术领域，将电磁散射计算与信号模型相结合，首先基于双向射线追踪技术与半解析思想的混合求解模型获取海面上方低空目标复合电磁散射数据。然后根据PD引信工作原理，建立PD引信回波信号仿真模型，达到基于物理机理层面的PD引信回波信号仿真的目的，进一步分析了基带多普勒滤波器输出的多普勒信号。