| 共面波导有限金属厚度效应的研究 |
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| 引用本文： | 蒋振新,丁桂甫,杨春生,毛海平,张永华.共面波导有限金属厚度效应的研究[J].微波学报,2004,20(2):25-28. |
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| 作者姓名： | 蒋振新 丁桂甫 杨春生 毛海平 张永华 |
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| 作者单位： | 上海交通大学微纳米科学研究院薄膜与微细加工技术教育部重点实验室,上海,200030 |
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| 基金项目： | 国家自然科学基金资助项目 (10 3770 0 9)，微米 /纳米加工技术国家级重点实验室基金项目 (5 14 85 0 2 0 30 1)，电科院预研课题 (0 2 4 130 80 5 0 116 ) |
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| 摘 要： | 用保角变换法对共面波导金属厚度效应进行了理论分析，编制了相应的计算机程序，给出了数值解，并对此进行了多元曲线拟合，导出了考虑金属厚度后的形状比k、有效介电常数、特征阻抗、损耗的闭定表达式。用此修正表达式求得特征阻抗及损耗的数值解，并与K．C．格普塔的修正值及实验测量值进行了详细比较，结果表明此修正公式与实验值相符较好。
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| 关 键 词： | 共面波导 修正公式 特征阻抗 导体损耗 金属厚度 |
| 文章编号： | 1005-6122(2004)02-0025-04 |
| 修稿时间： | 2003年7月8日 |
Study of Finite Metallization Thickness Effect for CPW |
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| Jiang Zhenxin,Ding Guifu,Yang Chunsheng,Mao Haiping,Zhang Yonghua.Study of Finite Metallization Thickness Effect for CPW[J].Journal of Microwaves,2004,20(2):25-28. |
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| Authors: | Jiang Zhenxin Ding Guifu Yang Chunsheng Mao Haiping Zhang Yonghua |
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| Abstract: | Approximate conformal mapping technique has been used for analyzing the effect of finite metallization thickness on CPW theoretically ,and numerical computations are carried out to obtain a modified formula account of metallization thickness. As a result, other new modified formulas about characteristic impedance and attenuation are proposed in this paper. Finally, the results computed by these modified formulas are compared with measured results and those of K.C. Gupta's correction formulas. The results show that these new modified formulas are in good agreement with measured values and more accurate than those given by K.C.Gupta. |
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| Keywords: | CPW Metallization thickness Modified formulas Characteristic impedance Conductor attenuation |
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