[1]王安娜,章文勋.菲涅耳区板分区规则[J].东南大学学报(自然科学版),2006,36(2):213-216.[doi:10.3969/j.issn.1001-0505.2006.02.007]
 Wang Anna,Zhang Wenxun.Zoning rule of Fresnel zone plate[J].Journal of Southeast University (Natural Science Edition),2006,36(2):213-216.[doi:10.3969/j.issn.1001-0505.2006.02.007]
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菲涅耳区板分区规则()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
36
期数:
2006年第2期
页码:
213-216
栏目:
电磁场与微波技术
出版日期:
2006-03-20

文章信息/Info

Title:
Zoning rule of Fresnel zone plate
作者:
王安娜 章文勋
东南大学毫米波国家重点实验室, 南京 210096
Author(s):
Wang Anna Zhang Wenxun
State Key Laboratory of Millimeter Waves, Southeast University, Nanjing 210096, China
关键词:
菲涅耳区 分区规则 菲涅耳区板天线
Keywords:
Fresnel zone zoning rule Fresnel zone plate antenna
分类号:
TN822.4
DOI:
10.3969/j.issn.1001-0505.2006.02.007
摘要:
根据Huygens-Fresnel的波束管理论,充分利用第1区的有效能量,并利用各个区所贡献的合成场强在焦点处同相的奇数分区,摒弃各合成场强在焦点处反相的偶数分区,导出了平面菲涅耳区板的一维条带的最优分区新规则.从基尔霍夫绕射公式出发进一步研究菲涅耳区板的二维圆环的分区规则.分为标量场(非极化波)绕射和矢量场(极化波)绕射2种情况,得出最优分区与传统分区在短焦距情况下存在差异、而随着焦距的增长渐趋一致的结论.
Abstract:
An new optimal rule for one dimensional Frensel zone plate with parallel strips was proposed. The zoning rules for two dimensional ring of Frensel zone plate is studied by means of Kirchhoff diffraction formula. Both the scalar-field(i.e. non-polarized wave)diffraction and vector-field(i.e. polarized plane wave)diffraction are calculated and analyzed. It is concluded that the optimal and traditional zoning rules are different in the case of shorter focal length; but approach to the same one when the focal length is increasing.

参考文献/References:

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备注/Memo

备注/Memo:
作者简介: 王安娜(1981—),女,博士生; 章文勋(联系人),男,教授,博士生导师,wxzhang@ieee.org.
更新日期/Last Update: 2006-03-20