Measurement of space burst location for projectile base on photography

LI Han-shan; LEI Zhi-yong

doi:10.3788/OPE.20122002.0329

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Measurement of space burst location for projectile base on photography

Article | 更新时间：2020-08-12

- Measurement of space burst location for projectile base on photography
- Optics and Precision Engineering Vol. 20, Issue 2, Pages: 329-336(2012)
- 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：
- DOI：10.3788/OPE.20122002.0329
  CLC： TB872;TJ430.6
- Received：12 August 2011，
  
  Revised：27 October 2011，
  
  Published Online：25 February 2012，
  
  Published：25 February 2012
- 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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