Surface Penetrating Radar Recursive Back Projection Imaging Algorithm

LEI Wen-tai; SU Yi; HUANG Chun-lin

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Surface Penetrating Radar Recursive Back Projection Imaging Algorithm

更新时间：2025-07-16

- Surface Penetrating Radar Recursive Back Projection Imaging Algorithm
- Acta Electronica Sinica Vol. 33, Issue 12, Pages: 2115-2119(2005)
- 作者机构：
  
  国防科技大学电子科学与工程学院,湖南,长沙,410073
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN957.52+2
- Published：2005
- 稿件说明：
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LEI Wen-tai, SU Yi, HUANG Chun-lin. Surface Penetrating Radar Recursive Back Projection Imaging Algorithm[J]. Acta Electronica Sinica, 2005, 33(12): 2115-2119.
DOI：

LEI Wen-tai, SU Yi, HUANG Chun-lin. Surface Penetrating Radar Recursive Back Projection Imaging Algorithm[J]. Acta Electronica Sinica, 2005, 33(12): 2115-2119. DOI：

摘要

本文提出了一种冲激脉冲表层穿透雷达(Impulse Surface Penetrating Radar

简称ImpSPR)递归反向投影(Back Projection

简称BP)成像算法.ImpSPR应用中

高精度实时成像是进行表层下目标探测最直接和有效的手段.基于"延迟-求和"处理的时域BP成像算法可以对成像区域完成精确聚焦

得到高质量的雷达图像.然而由于其巨大的运算量

难以应用于ImpSPR系统的实时处理中.本文在对BP算法详细分析的基础上

建立了算法的递归模型

导出了递归BP算法的处理流程并对其运算量进行了分析.ImpSPR实测数据处理结果表明

递归BP成像方法可以大大降低运算量

有效的运用于ImpSPR系统实时处理中

同时也可用于机载合成孔径雷达系统.

Abstract

A recursive back projection(BP) imaging algorithm is presented.Real time imaging is an intense demand but a challenging task in impulse surface penetrating radar(ImpSPR)’s application.Based on 'delay-sum’ operation in time domain

BP imaging algorithm can precisely focus scattering intensity and obtain high quality subsurface profile.But its heavy computation load restricts its application in ImpSPR's real time processing.After analyzing BP imaging procedure

a recursive model of this imaging algorithm is established and recursive BP imaging algorithm is educed subsequently.The computation complexity of both original BP imaging algorithm and recursive BP imaging algorithm are analyzed.Through processing experimental data obtained by a ImpSPR system-RadarEye

the recursive BP imaging algorithm validate its capability at the aspect of ImpSPR's real time processing.

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