Electromagnetic pickup response excited by a string vibration

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概要

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• Analysis and experiment of the response of an electromagnetic pickup excited by a string vibration are made by use of the following assumptions. First, the inharmonicity exists in the string vibration because of the influence of the negative stiffness of the electromagnetic pickup. Secondly, the displacement of a string is not, however, affected by the negative stiffness. Thirdly, the damping coefficients are approximated based upon the measured values of some low frequency partials. The magnetic circuit and the characteristic equation are built up for analysis. The simulated results are in good agreement with the experimental results. The results also show that there are distortion components in the response, but their relative levels are very small. Furthermore, beats occur in the response. Its percentage of depth of beats is about 30. 1 when it is picked up at the centerpoint of a string.

• 社団法人日本音響学会の論文

著者

• Harazono Masahiro

  Sendai Polytechnic College

関連論文

• Electromagnetic pickup response excited by a string vibration

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