| 基于单元电流重构的平面近远场变换 |
| |
| 引用本文： | 于丁,傅德民,刘其中,毛乃宏.基于单元电流重构的平面近远场变换[J].电子学报,2003,31(9):1386-1389. |
| |
| 作者姓名： | 于丁 傅德民 刘其中 毛乃宏 |
| |
| 作者单位： | 西安电子科技大学天线与电磁散射研究所,陕西西安 710071 |
| |
| 摘 要： | 本文提出了一种新的基于单元电流重构的平面近远场变换方法,给出了该方法的基本原理.计算机模拟结果表明,这种方法不要求取样间隔一定要满足奈奎斯特取样准则,只需较少的取样点数即可达到很高的测试精度,从而能够在保证测试精度的前提下,提高测试速度并有效减小由于有限扫描面所引起的截断误差.因此,本文方法特别适合于大型相控阵天线的平面近场测量.
|
| 关 键 词： | 单元电流 重构 平面近远场变换 阵列天线 奈奎斯特取样准则 测试速度 截断误差 |
| 文章编号： | 0372-2112(2003)09-1386-04 |
| 收稿时间： | 2002-03-14 |
Planar Near-Field to Far-Field Transformation Based on Element Current Reconstruction |
| |
| YU Ding,FU De min,LIU Qi zhong,MAO Nai hong.Planar Near-Field to Far-Field Transformation Based on Element Current Reconstruction[J].Acta Electronica Sinica,2003,31(9):1386-1389. |
| |
| Authors: | YU Ding FU De min LIU Qi zhong MAO Nai hong |
| |
| Affiliation: | Institute of Antennas and EM Scattering,Xidian University,Xi'an ,Shaanxi 710071,China |
| |
| Abstract: | A method for planar near field to far field transformation based on element current reconstruction is presented and the basic principle of this method is given.The results of computer simulation show that this method does not require the sampling interval to satisfy the Nyquist sampling criteria and only needs few sampling points to attain very high testing precision,so we can improve the testing speed and effectively reduce the truncation error caused by finite scanning plane on the premise of ensuring the testing precision.Therefore,the method presented in this paper is quite suitable for the planar near field measurements with large phased array antennas. |
| |
| Keywords: | element current reconstruction planar near field to far field transformation array antenna Nyquist sampling criteria testing speed truncation error |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
| 点击此处可从《电子学报》浏览原始摘要信息 |
|
点击此处可从《电子学报》下载全文 |
