Design and realization of a laser screen coordinate measurement system

QIU Wan-jing; JIANG San-ping; HAO Xiao-jian

doi:10.3969/j.issn.1001-3806.2012.06.006

LASER TECHNOLOGY > 2012 > 36(6): 735-737. > DOI: 10.3969/j.issn.1001-3806.2012.06.006

QIU Wan-jing, JIANG San-ping, HAO Xiao-jian. Design and realization of a laser screen coordinate measurement system[J]. LASER TECHNOLOGY, 2012, 36(6): 735-737. DOI: 10.3969/j.issn.1001-3806.2012.06.006

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Design and realization of a laser screen coordinate measurement system

National Key Laboratory of Science and Technology on Electronic Test and Measurement, School of Information and communication Engineering, North University of China, Taiyuan 030051, China

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Received Date: March 20, 2012
Revised Date: March 29, 2012
Published Date: November 24, 2012

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Abstract

In order to measure the vertical target coordinates of the large target surface,a coordinate measurement method with laser screen target was presented with four 90° fan-shaped lasers as light sources,and a high-sensitivity photodiode array as the receiver.When bullets fly through the rectangular laser screen,formed by the intersected light from the four lasers,they will block part of the laser in the x and y directions respectively,and thus corresponding signal produces from the photodiodes.The impact coordinates can be obtained by acquiring and processing the signal.Finally the coordinates of the bullet were tested in active experiments.The results show that this vertical target system has the characteristics of high precision and high sensitivity.
- laser technique,
- vertical target measurement system,
- coordinate measurement,
- impact point

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