任意曲線形狀介質柵漏波天線輻射特性的改進微擾法分析
IMPROVED PERTURBATION ANALYSIS OF DIELECTRIC GRATING ANTENNAS WITH ARBITRARY GROOVEP ROFILES
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摘要: 本文是對作者前一工作(1990)的補充和發(fā)展,文中用改進的微擾法分析了任意曲線形狀介質柵漏波天線的輻射特性。所得數(shù)據(jù)和用場匹配方法得到的精確值進行了比較。結果表明,本文方法在保持相同精度的情況下,極大地簡化了求解過程;并據(jù)此系統(tǒng)地研究了周期槽形狀對介質柵漏波天線輻射特性的影響。文中給出的曲線可供設計介質柵天線時參考。Abstract: A supplement and an expansion of authers previeous work (1990) are presented. The improved perturbation method is used for analyzing the radiation characteristics of the millimeterwave dielectric grating antennas with various groove profiles. A comparison between the results given and those obtained by the rigorous calculations shows that the present analysis yields as highly accurate results as the rigorous method but the calculation procedure is tremendously simplified. Based on this, the effects of groove profiles on the performances of the grating antennas are systemetically studied. The curves given in this paper may be used as reference for designing the dielectric grating antennas.
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Xu Shanjia.Wu Xinzhang, In. J. of Infrared and Millimeterwaves, 11(1990)9, 1047-1067.[2]徐善駕,武新章,彭松村,電子學報,19(1991)6,20-30.[3]徐善駕,武新章,電子科學學刊,12(1990)4,378-384. -
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