Effect of Facet Displacement on Radiation Field and Its Application for Panel Adjustment of Large Reflector Antenna
文献类型：期刊论文
| 作者 | Wang, Wei1,2; Lian, Peiyuan1; Zhang, Shuxin1,2; Xiang, Binbin1,3 ; Xu, Qian3
|
| 刊名 | Chinese Journal of Mechanical Engineering
 |
| 出版日期 | 2017-05-01 |
| 卷号 | 30期号:3页码:578-586 |
| 关键词 | Reflector antennas Surface accuracy Radiation field Reflector antenna mechanical factors Electromechanical effects Panel adjustment Singular value decomposition (SVD) microwave holography surface measurement radio telescope deformation metrology matrix Engineering |
| ISSN号 | 1000-9345 |
| DOI | 10.1007/s10033-017-0135-z |
| 产权排序 | 3 |
| 文献子类 | Article |
| 英文摘要 | Large reflector antennas are widely used in radars, satellite communication, radio astronomy, and so on. The rapid developments in these fields have created demands for development of better performance and higher surface accuracy. However, low accuracy and low efficiency are the common disadvantages for traditional panel alignment and adjustment. In order to improve the surface accuracy of large reflector antenna, a new method is presented to determinate panel adjustment values from far field pattern. Based on the method of Physical Optics (PO), the effect of panel facet displacement on radiation field value is derived. Then the linear system is constructed between panel adjustment vector and far field pattern. Using the method of Singular Value Decomposition (SVD), the adjustment value for all panel adjustors are obtained by solving the linear equations. An experiment is conducted on a 3.7 m reflector antenna with 12 segmented panels. The results of simulation and test are similar, which shows that the presented method is feasible. Moreover, the discussion about validation shows that the method can be used for many cases of reflector shape. The proposed research provides the instruction to adjust surface panels efficiently and accurately. |
| 语种 | 英语 |
| WOS记录号 | WOS:000400857300008 |
| 源URL | [http://ir.xao.ac.cn/handle/45760611-7/3241]  |
| 专题 | 新疆天文台_110米口径全可动射电望远镜（SmART）_110米大口径全可动射电望远镜关键技术研究（973项目）_课题4：反射面高精度快速测量与主动面实时闭环修正 射电天文天线组 |
| 作者单位 | 1.Key Laboratory of Electronic Equipment Structure Design of Ministry of Education, Xidian University, Xi’an 710071, China; 2.Collaborative Innovation Center of Information Sensing and Understanding, Xidian University, Xi’an 710071, China; 3.Xinjiang Astronomical Observation, Chinese Academy of Sciences, Urumqi 830011, China |
| 推荐引用方式 GB/T 7714 | Wang, Wei,Lian, Peiyuan,Zhang, Shuxin,et al. Effect of Facet Displacement on Radiation Field and Its Application for Panel Adjustment of Large Reflector Antenna[J]. Chinese Journal of Mechanical Engineering,2017,30(3):578-586. |
| APA | Wang, Wei,Lian, Peiyuan,Zhang, Shuxin,Xiang, Binbin,&Xu, Qian.(2017).Effect of Facet Displacement on Radiation Field and Its Application for Panel Adjustment of Large Reflector Antenna.Chinese Journal of Mechanical Engineering,30(3),578-586. |
| MLA | Wang, Wei,et al."Effect of Facet Displacement on Radiation Field and Its Application for Panel Adjustment of Large Reflector Antenna".Chinese Journal of Mechanical Engineering 30.3(2017):578-586. |
入库方式： OAI收割
来源：新疆天文台
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