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| Measurement of Vibration Derivative′s Amplitude and Phase by Strobe and Optical Phase Shifting Shearography | |
| 引用本文： | F. Chen,Y. Y. Hung,G. M. Brown(Department of Mechanical Engineering,Oakland University,Rochester Hills,Michigan 48300 USA). Measurement of Vibration Derivative′s Amplitude and Phase by Strobe and Optical Phase Shifting Shearography[J]. Chinese Journal of Lasers, 1995, 4(2): 181-185 |
| 作者姓名： | F. Chen Y. Y. Hung G. M. Brown(Department of Mechanical Engineering Oakland University Rochester Hills Michigan 48300 USA) |
| 作者单位： | Department of Mechanical Engineering，Oakland University，Rochester Hills，Michigan 48300 USA |
| 摘 要： | ＭｅａｓｕｒｅｍｅｎｔｏｆＶｉｂｒａｔｉｏｎＤｅｒｉｖａｔｉｖｅ′ｓＡｍｐｌｉｔｕｄｅａｎｄＰｈａｓｅｂｙＳｔｒｏｂｅａｎｄＯｐｔｉｃａｌＰｈａｓｅＳｈｉｆｔｉｎｇＳｈｅａｒｏｇｒａｐｈｙ￥Ｆ．Ｃｈｅｎ，Ｙ．Ｙ．Ｈｕｎｇ，Ｇ．Ｍ．Ｂｒｏｗｎ（Ｄｅｐａ... |
| 收稿时间： | 1994-10-24 |
Measurement of Vibration Derivative's Amplitude and Phase by Strobe and Optical Phase Shifting Shearography |
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| F. Chen,Y. Y. Hung,G. M. Brown. Measurement of Vibration Derivative's Amplitude and Phase by Strobe and Optical Phase Shifting Shearography[J]. 中国激光(英文版), 1995, 4(2): 181-185 | |
| Authors: | F. Chen Y. Y. Hung G. M. Brown |
| Abstract: | This paper presents a method for measuring both vibrational surface derivative's amplitude and phase or say complex amplitude represented derivative by digital shearography. Optical Path phase shifting is used to obtain two complex amplitudes at strobe phase 0and 90 degrees, respectively. With these two complex amplitudes, the amplitude and Phase ofthe complex amplitude can be separated Theory tosether with experimental results are presented. |
| Keywords: | digital shearography vibration measurement |
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