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Electrostatic detector system for investigating projectile velocity - has frame grid in target plane through which projectiles pass
Electrostatic detector system for investigating projectile velocity - has frame grid in target plane through which projectiles pass
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机译：用于研究弹丸速度的静电检测器系统-在目标平面上具有框架网格，弹丸穿过该网格
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摘要
The electronic system for determining the penetration properties and velocity of projectiles is based on the detection of the electrostatic charge accumulated by the missiles during their flight. The detector consists of a number of vertical electrodes (1') set in line at right-angles to the direction of travel of the projectiles and in the plane of the target area. The electrodes of electrically-conducting material are earthed at one end via a common resistor (2). The displacement currents induced in the electrodes due to the changes in electric field due to the charged projectiles passing them, are detected in an analyser (3). The electrode assembly may also take the form of spaced metal frames between which the speed of flight may be determined.
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