Статья

Study on the characteristics of second harmonic in PTR

Peizan LiDepartment of Physics, Suzhau University, Suzhau 215006)

1993en

ABI

Аннотация

In this paper, the frequency characteristics, dependences of second- harmonic amplitude and phase on the sample thickness and the excitation power have been discussed theoretically and experimently. The comparision between fundamental signal and second-harmonic signal also has been presented.

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Темы

Ultrasonics and Acoustic Wave Propagation Geophysical Methods and Applications Non-Destructive Testing Techniques

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Показатели — AkademScholar · Скоро