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Proceedings Paper

The Research Of Laser High Speed Photography Technique Used In Ballistic Array System
Author(s): Zhang Guo-shun; Zhao Xiang-ming; Xiao Gui-xiang; Liu Xian-wun
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Paper Abstract

The new results of laser ballistic array photographic technique are presented in this paper. The characteristics of shadow, schlieren and front light photography with laser used in ballistic array system and their applied ranges are discussed. The techniques of automatic synchronous trigger by microcomputer are given. The automatic synchronous triggers can be finished in the case, as the velocity of the flying projectiles to be measured is not pre-known accurately and there is the large deviation of the velocity of the projectiles in flight according to the flying law of the projectile after launching. A new mathematical model is advanced and the microcomputer programs are designed. The experiment results show that the method is a success. The correcting technique of velocity attenuation rules of flying projectiles in air for the array photography system of several photographic stations to take more photos in long distance is described. Finally a few conclusions of the technique of laser high speed photography used in ballistic array are given.

Paper Details

Date Published: 7 June 1989
PDF: 4 pages
Proc. SPIE 1032, 18th Intl Congress on High Speed Photography and Photonics, (7 June 1989); doi: 10.1117/12.969187
Show Author Affiliations
Zhang Guo-shun, Tianjin University (China)
Zhao Xiang-ming, Tianjin University (China)
Xiao Gui-xiang, Tianjin University (China)
Liu Xian-wun, Tianjin University (China)

Published in SPIE Proceedings Vol. 1032:
18th Intl Congress on High Speed Photography and Photonics
DaHeng Wang, Editor(s)

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