菲涅爾區(qū)修正圓柱面天線的聚焦場特性
The characteristics of the focused fields of a cylindrical fresnel zone phase correcting antenna
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摘要: 在圓柱面上進(jìn)行一維菲涅爾區(qū)相位修正結(jié)構(gòu)設(shè)計(jì),可以構(gòu)成一類新型的點(diǎn)源饋電透鏡天線。該文用輔助源法導(dǎo)出該透鏡天線對任意斜入射平面波形成的聚焦場分布,分析了其聚焦性能及偏軸掃描特性。
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關(guān)鍵詞:
- 透鏡天線; 菲涅爾區(qū)相位修正; 輔助源法
Abstract: The one-dimensional Fresnel zone phase correcting principle can be applied in a cylindrical surface to constructed a new type of point source feeding lens antenna. In this paper, the auxiliary source method is used to evaluate the focused fields of this new lens antenna under arbitrary plane wave incidence, placing emphasis on the analysis of the paraxial scanning performance and frequency properties of the focused fields. -
杜惠平,阮穎錚,一維菲涅爾區(qū)相位修正平面反射器的聚焦特性研究,電子科學(xué)學(xué)刊,1994,16(5),529-532.[2]杜惠平,基于菲涅爾原理的新型反射面天線,重慶郵電學(xué)院學(xué)報,1997,9(2),7-9.[3]杜惠平,一維透射式菲涅爾區(qū)相位修正結(jié)構(gòu)的輻射特性,重慶郵電學(xué)院學(xué)報,1999,11(1),1-3,37.[4]Y. Ji, M. Fujita, A cylindrical Fresnel zone antenna, IEEE Trans. on AP, 1996, AP-44(9), 1301-1303.[5]杜惠平,基于菲涅爾區(qū)修正結(jié)構(gòu)的多波束自適應(yīng)天線,電波科學(xué)學(xué)報,1999,14(1),116-120[6]杜惠平,武剛,菲涅爾區(qū)聚焦多波束天線空間譜估計(jì)的性能分析,電波科學(xué)學(xué)報,1999,14(3),274-280. -
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