Abstract:

A new solution to estimate the precession and structural parameters of a cone-shaped target is proposed using high resolution range profile (HRRP). Firstly, a mathematic model for estimation of the length of a cone-shaped target with micro-motion from its HRRPs is developed based on the theory of electromagnetic scattering. Then, the formulas of the HRRPs length with the parameters including the radar sight angle, the precession angle, and the geometric parameters of a target are derived analytically. Using the HRRP lengths calculated from two different radar sight angles, a new solution to the precession angle estimation is suggested. Finally, the geometric parameters such as the height, the radius of the target can be obtained. Simulation results validate the correctness and effectiveness of the proposed approach.