Knowledge Management System of Institue of Mechanics, CAS
| Fourier Transform Method for Measuring the Micro Amplitu of Water Surface Waves | |
Wang W(王薇); Ni G(倪刚); E XQ(鄂学全)
| |
| Source Publication | Journal of Experimental Mechanics
 |
| 2002 | |
| Volume | 17Issue:4Pages:425-432 |
| ISSN | 1001-4888 |
| Other Abstract | 采用一种非接触的光学方法傅立叶变换莫尔法(Fourier transform method),结合数字图像处理技术,对微幅振荡的水表面波的振幅进行测量.它是对全场中每一个像素点进行测量,比接触测量法具有更高的灵敏度.它为微幅水表面波振幅的测量提供了一种手段.通过将计算机生成的周期性光栅图像经投影机直接投影到被测物体的参考平面,经CCD摄像头、图像板捕捉存储形成数字化的光栅图像,利用傅立叶变换莫尔法处理光栅图像,从而获得包含有水表面波的振幅的相位信息,再经适当的几何变换获得振幅信息.我们在垂直振荡装置上进行了不同激励频率和不同振幅的表面波的振幅测量. |
| Subject Area | 力学 |
| Indexed By | 其他 |
| Document Type | 期刊论文 |
| Identifier | http://dspace.imech.ac.cn/handle/311007/17190 |
| Collection | 力学所知识产出(1956-2008) |
| Recommended Citation GB/T 7714 | Wang W,Ni G,E XQ. Fourier Transform Method for Measuring the Micro Amplitu of Water Surface Waves[J]. Journal of Experimental Mechanics,2002,17(4):425-432. |
| APA | 王薇,倪刚,&鄂学全.(2002).Fourier Transform Method for Measuring the Micro Amplitu of Water Surface Waves.Journal of Experimental Mechanics,17(4),425-432. |
| MLA | 王薇,et al."Fourier Transform Method for Measuring the Micro Amplitu of Water Surface Waves".Journal of Experimental Mechanics 17.4(2002):425-432. |
| Files in This Item: | Download All | |||||
| File Name/Size | DocType | Version | Access | License | ||
| 用Fourier变换莫尔法测量流体自由表（336KB） | 开放获取 | -- | View Download | |||
Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.
Edit Comment