Small caliber projectile velocity measurement system based on a single laser source and a single detector

Kalonia, R.C. and Mohan, Chander and Bahuguna, B.B. and Mathew, Thomson and Singh, Manjit and Yadav, M.S. (2011) Small caliber projectile velocity measurement system based on a single laser source and a single detector. Journal of Scientific and Industrial Research, 70 (9). pp. 762-766. ISSN 0975-1084 (Online); 0022-4456 (Print)

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Official URL: http://nopr.niscair.res.in/handle/123456789/12596

Abstract

This study presents development of an inexpensive modular system based on the measurement of time of flight (ToF) of a projectile between two parallel laser screens for velocity measurement of small caliber projectiles and can be used for both indoor and outdoor ranges. System design consists of a single source (laser diode) and a single detector is used to construct two screens. It also provides better velocity measurement accuracy because both screens are generated from same source and have same sensitivity. Velocity measurement accuracy of system is better than 0.08%. A 100 MHz digital oscilloscope is used to measure ToF, which provides 20 ns time base accuracy.

Item Type: Article
Uncontrolled Keywords: Data acquisition & processing unit; Digital storage oscilloscope; Knife edge scanning technique; Projectile velocity ;Small caliber projectile; Speed measurement; Time of flight (ToF)
Subjects: CSIO > Applied Physics
Divisions: Photonics Instrumentation
Depositing User: Ms. J Shrivastav
Date Deposited: 08 Jan 2013 04:48
Last Modified: 08 Jan 2013 04:48
URI: http://csioir.csio.res.in/id/eprint/321

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