Veiling target with big target face

A large-area (1000 mmX1000 mm) light curtain target for measuring the speed of the shell, bullet and the broken piece generated by exploding, whose diameter is less than 30 mm, features that the light emttiers and light receivers are arranged in line array and two light diaphragms are used to restri...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	JINPING NI, RONGLI CAI, YING AN
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING BULLET CATCHERS HEATING INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT LIGHTING MEASURING MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK MECHANICAL ENGINEERING PHYSICS TARGET RANGES TARGETS TESTING WEAPONS
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Beschreibung
Zusammenfassung:	A large-area (1000 mmX1000 mm) light curtain target for measuring the speed of the shell, bullet and the broken piece generated by exploding, whose diameter is less than 30 mm, features that the light emttiers and light receivers are arranged in line array and two light diaphragms are used to restrict the conic light space into sheet shape. The digital filtering is used for suppressing interferences, resulting in high stability.