基于摄像法测量弹丸的空间炸点位置

李翰山; 雷志勇

doi:10.3788/OPE.20122002.0329

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基于摄像法测量弹丸的空间炸点位置

微纳技术与精密机械 | 更新时间：2020-08-12

- 基于摄像法测量弹丸的空间炸点位置
- Measurement of space burst location for projectile base on photography
- 光学精密工程 2012年20卷第2期页码：329-336
- 作者机构：
  
  西安工业大学电子信息工程学院,陕西西安,710032
- 作者简介：
- 基金信息：
  
  国家自然科学基金资助项目(No.61107079)();陕西省教育厅专项基金资助项目(No.2010JK605)()
- DOI：10.3788/OPE.20122002.0329
  中图分类号： TB872;TJ430.6
- 收稿日期：2011-08-12，
  
  修回日期：2011-10-27，
  
  网络出版日期：2012-02-25，
  
  纸质出版日期：2012-02-25
- 稿件说明：
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李翰山, 雷志勇. 基于摄像法测量弹丸的空间炸点位置[J]. 光学精密工程, 2012,20(2): 329-336

LI Han-shan, LEI Zhi-yong. Measurement of space burst location for projectile base on photography[J]. Editorial Office of Optics and Precision Engineering, 2012,20(2): 329-336
李翰山, 雷志勇. 基于摄像法测量弹丸的空间炸点位置[J]. 光学精密工程, 2012,20(2): 329-336 DOI： 10.3788/OPE.20122002.0329.

LI Han-shan, LEI Zhi-yong. Measurement of space burst location for projectile base on photography[J]. Editorial Office of Optics and Precision Engineering, 2012,20(2): 329-336 DOI： 10.3788/OPE.20122002.0329.

摘要

为了测量了近炸引信对空中目标引炸的炸点位置

提出了采用基于定目标为参照的双面阵相机交汇摄像法来获取高空弹丸炸点三维坐标参数。根据试验测试要求

分析了相机交汇摄像原理与方法

建立了弹丸炸点三维坐标位置计算模型;利用交汇相机的空间几何关系、图像处理技术与模拟目标实际尺寸

研究弹丸炸点相对模拟目标的空间三维坐标算法

并分析了坐标参数修正方法;利用微分法对参数进行误差分析。分析计算显示

坐标误差均小于40 mm;实弹试验和图像处理显示

相机交汇摄像法可以获得弹丸炸点三维坐标。对四光幕法与摄像法的对比表明

两种方法在高低方向所测数值平均差为0.158 m

左右方向数值平均差为0.114 m。

Abstract

To measure the location parameters for projectile burst on a proximity fuze in high altitude

an intersection imaging method by using two planar array cameras and taking a simulant object as reference was put forward to calculate three coordinate parameters of projectile burst location. According to the request of proximity fuze test

the principle and method of camera intersection imaging were analyzed

and the measuring model of projectile burst location was set up. The relations of space geometric locations of the camera layouts

the technology of image processing and the sizes of objects were analyzed

the spatial three coordination of projectile burst location were calculated

and the parameter modification method was studied. A differential method was employed in analyzing the location errors

and results show that the differential coordinate errors are less than 40 mm.Experiments and image processing were performed

which shows that the planar array camera intersection imaging can obtain the spatial three coordination of projectile burst.Furthermore

the data by proposed method are compared with that of the four screen across system

and their average error is 0.158 m in the high and low directions and 0.114 m in right and left directions.

关键词

Keywords

references

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