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Microwave Measurement of Projectile Kinematics Within Launcher Barrels

Report Number: AEDC TDR 62-213
Author: Hendrix, R. E.
Corporate Author: ARO, Inc.
Laboratory: Arnold Engineering Development Center
Date of Publication: 1962-11
Pages: 37
Contract: AF 40(600)-1000
Project: 8950
Task: 895002
AD Number: AD0288923

Microwave reflectometry has been applied successfully to the study of the kinematic behavior of projectiles within launcher barrels and pistons within compression (pump) tubes in the Hypervelocity Pilot Range of the von Karman Gas Dynamics Facility. Well-defined mathematical treatment enables the calculation of an accurate time history of projectile position inside its launcher barrel. Microwave excitation in extraneous modes has been attenuated, resulting in an increase in the accuracy of the reflectometer system.

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