リサジュー曲線を用いた音波の可視化に関する演示実験

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  • A demonstration of visualizing sound waves by utilizing Lissajous curves
  • リサジュー キョクセン オ モチイタ オンパ ノ カシカ ニ カンスル エンジジッケン

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An attractive demonstration, observation of chaotic Lissajous curves originating from sound waves, was presented for the general public. A simple experimental setup used in this demonstration consists of an optical lever, a rotating mirror, and a laser beam source. This system can detect a variety of Lissajous patterns without an oscilloscope. Thus, this system can be regarded as a budget oscilloscope. The application to program-based learning in physics education is briefly discussed.

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