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公开(公告)号：US20210003376A1
公开(公告)日：2021-01-07
申请号：US16982374
申请日：2019-03-15
Applicant: SAAB AB
Inventor： Tony HOLM , Johan ÖSTLUND
Abstract: A piezoelectric sensor arrangement for use in a projectile comprises a piezoelectric sensor enveloped by a damping layer adapted to attenuate signals of frequencies above a predetermined cutoff frequency whereby the voltage output signal of the piezoelectric sensor upon impact on a desired hard target can be discriminated from voltage output signals originating from impact on undesired soft objects. A method of discriminating voltage outlet signals by means of the piezoelectric sensor arrangement and the use of a piezoelectric sensor arrangement in a projectile to safeguard unintentional detonation does not occur is described herein.
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