Development of Teaching Material for Electrical Engineering Education

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1.We simplified the measurement equipment to use photoacoustic microscope system in the field of engineering education. The measurement equipment of photoacoustic (PA) signal was changed in a compact multi-analyzer (CMA) which was in easy to be used and low cost instead of a lock-in amplifier and a boxcar integrator. Moreover, the reformed method of simultaneous measurement of multiple frequencies (RSMMF method) was proposed as the new measurement method of the PA signal. Because our proposed teaching material for experimental was simple operation, it was suited for the education field.2.We developed the hypertext type teaching material which was effective for learners to be able to choose any learning node. It was Possible to learn experiment lesson, signal processing theory, and a use method of the CMA in this teaching materials.