| Characteristic Impedance of A GTEM Cell |
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| 引用本文： | 杜正伟,阮成礼. Characteristic Impedance of A GTEM Cell[J]. 电子科技大学学报(社会科学版), 1997, 0(4) |
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| 作者姓名： | 杜正伟 阮成礼 |
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| 作者单位： | 电子科技大学应用物理所 |
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| 摘 要： | 保角变换－奇异积分方程法被用来求ＧＴＥＭｃｅｌ的特性阻抗，用完全椭圆积分给出了基于只有球ＴＥＭ模传播的简单而精确的特性阻抗公式。该方法使ＧＴＥＭｃｅｌ的特性阻抗的计算精确而简单。另外，采用保角变换—有限差分法求出了球ＴＥＭ模的电磁场分布和高阶模式的特性。文中的分析可用于对ＧＴＥＭｃｅｌ和宽带传线的研究。
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| 关 键 词： | 横电磁波室；传输线；特性阻抗；保角变换；奇异积分方程法 |
Automated Noise Parameter Measurement for Microwave Transistor |
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| Chen Ling Hou Luying. Automated Noise Parameter Measurement for Microwave Transistor[J]. Journal of University of Electronic Science and Technology of China(Social Sciences Edition), 1997, 0(4) |
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| Authors: | Chen Ling Hou Luying |
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| Abstract: | In thip paper,a method for determination of microwave transistor parameter is described.An automated measurement system for microwave transistor noise parameter is constructed using vector network analyzer and noise figure meter.With the control software,the system can do fast and accurate measurements.Some test results for GaAs FET are given and compared with typical data given by the manufacturer. |
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| Keywords: | microwave transistor noise parameter automated measurement system de embeding computer aided test |
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