现代雷达2026，Vol.48Issue(3)：47-56,10.DOI:10.16592/j.cnki.1004-7859.20241212002
基于截断混合高斯模型的火箭HRRP重构和飞行姿态估计
Reconstruction and Flight Attitude Estimation of Rocket HRRP Based on Truncated Mixture of Gaussians Model
魏明山 1吕青 1全刚 1魏子涵2
作者信息
- 1. 解放军63623 部队,甘肃 酒泉 732750
- 2. 陆军工程大学,江苏 南京 210001
- 折叠
摘要
Abstract
With the rapid development of commercial spaceflight,the demand for rocket attitude estimation based on external meas-urement data has become increasingly urgent.In this paper,an in-depth analysis of the characteristics of high-resolution range pro-file(HRRP)of rocket is first conducted.To address the issues of high noise and fluctuation in HRRP data,the HRRP of rocket is then reconstructed using a truncated mixture of Gaussians models based on a parameterized representation approach.Considering different scenarios of whether the rocket model is known,two methods:template matching and projection estimation are developed to achieve attitude estimation under both cases with and without a template library.Meanwhile,a neural network architecture is in-troduced combining multi-layer perceptrons and convolutional neural networks in different configurations for attitude estimation.Ex-perimental results based on both simulated and flight HRRP sequences demonstrate that the reconstructed HRRP exhibits high sig-nal-to-noise ratio and strong stability.By integrating multi-envelope detection,distance-based template matching,and length pro-jection,the rocket separation detection and attitude estimation using HRRP data are successfully and stably performed.The study in this paper provides a valuable reference for future work on attitude estimation of rockets using external measurements.关键词
混合高斯模型/高分辨距离像/距离模板匹配/长度投影法Key words
mixture of Gaussians model(GMM)/high-resolution range profile(HRRP)/distance template matching/length pro-jection method分类
信息技术与安全科学引用本文复制引用
魏明山,吕青,全刚,魏子涵..基于截断混合高斯模型的火箭HRRP重构和飞行姿态估计[J].现代雷达,2026,48(3):47-56,10.
