Image mosaic algorithm based on area blocking and SIFT | |
Li, Y.-F.; G.-Z. Li; S.-H. Gu and K.-H. Long | |
刊名 | Guangxue Jingmi Gongcheng/Optics and Precision Engineering
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2016 | |
卷号 | 24期号:5 |
英文摘要 | To obtain the effect of bolt-joint in a theodolite on the dynamic response of system, the nonlinear property caused by assemble connection was researched. A single bolt connection cantilever model was used to analyze the change of structure vibration characteristics from the bolt-joint. Then, the finite element method was employed in the simulation analysis in time domain for the nonlinear vibration characteristics of cantilever model connected by the bolt joint under low pretension, and the phase diagrams under different loads were obtained. With Fast Fourier Transfer method, the super-harmonic resonances under 1/2 natural frequency excitation were pointed out. By an exciter experiment, the response amplitudes by free vibration and forced vibration were given, respectively, and the simulation results were verified. It shows that the greater the excitation magnitude is, the greater the impact from the nonlinear term is. This method has guiding significance for research on nonlinear vibration characteristics of connection structures. 2016, Science Press. All right reserved. |
收录类别 | EI |
语种 | 中文 |
内容类型 | 期刊论文 |
源URL | [http://ir.ciomp.ac.cn/handle/181722/57048] ![]() |
专题 | 长春光学精密机械与物理研究所_中科院长春光机所知识产出 |
推荐引用方式 GB/T 7714 | Li, Y.-F.,G.-Z. Li,S.-H. Gu and K.-H. Long. Image mosaic algorithm based on area blocking and SIFT[J]. Guangxue Jingmi Gongcheng/Optics and Precision Engineering,2016,24(5). |
APA | Li, Y.-F.,G.-Z. Li,&S.-H. Gu and K.-H. Long.(2016).Image mosaic algorithm based on area blocking and SIFT.Guangxue Jingmi Gongcheng/Optics and Precision Engineering,24(5). |
MLA | Li, Y.-F.,et al."Image mosaic algorithm based on area blocking and SIFT".Guangxue Jingmi Gongcheng/Optics and Precision Engineering 24.5(2016). |
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