Volume 17 Issue 1
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WANG Xiang, WANG Wei, FU Qiu-Wei. A System Utilizing Laser Diode for Gas-Gun Projectile Velocity Measurement[J]. Chinese Journal of High Pressure Physics, 2003, 17(1): 75-80 . doi: 10.11858/gywlxb.2003.01.012
Citation: WANG Xiang, WANG Wei, FU Qiu-Wei. A System Utilizing Laser Diode for Gas-Gun Projectile Velocity Measurement[J]. Chinese Journal of High Pressure Physics, 2003, 17(1): 75-80 . doi: 10.11858/gywlxb.2003.01.012

A System Utilizing Laser Diode for Gas-Gun Projectile Velocity Measurement

doi: 10.11858/gywlxb.2003.01.012
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  • Corresponding author: WANG Xiang
  • Received Date: 16 Jan 2002
  • Rev Recd Date: 30 Mar 2002
  • Publish Date: 05 Mar 2003
  • A new system utilizing laser diode and PIN for gas-gun projectile velocity measurement were developed in 1997. The system is integrated in a barrel extension. It not only has the advantages of simple structure and vibration resistance but also has easiness of collimation. In addition, it is helpful to keep smaller tilt and to avoid projectile free-flying before it impacts the target. It has been used successfully to measure the velocity of irregular or nonmetallic projectile. The relative measurement uncertainty is less than 0.2%.

     

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