| 三端口反射计的新研究 |
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| 引用本文： | 田步宁,唐家明,杨德顺,刘其中.三端口反射计的新研究[J].宇航计测技术,2000,20(3):12-20,64. |
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| 作者姓名： | 田步宁 唐家明 杨德顺 刘其中 |
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| 作者单位： | 西安电子科技大学378信箱(天线与微波技术重点实验室),710071 |
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| 基金项目： | 九五国防预研基金资助项目 |
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| 摘 要： | 分析了三端口网络的特殊性，提出了用三端口反射计测量网络参数的新方法—标量崐检测矢量变换方法。该方法通过三端口反射计的标量检测方程，利用取样网络的本崐征参数进行变换求得复反射系数或散射参数，而与测量系统的比例常数无关，简化崐了测量系统硬件，并提高了测量系统的可靠性和稳定性。实验结果证明了该方法的崐正确性和可行性。
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| 关 键 词： | 本征矢量+ 端口“吸收”变换+端口“平移”变换+ 标量检测矢量变换 |
| 修稿时间： | 2000年2月25日 |
New analysis of three-port reflectometer |
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| Tian Buning,Tang Jiaming,Yang Deshun,Liu Qizhong.New analysis of three-port reflectometer[J].Journal of Astronautic Metrology and Measurement,2000,20(3):12-20,64. |
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| Authors: | Tian Buning Tang Jiaming Yang Deshun Liu Qizhong |
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| Institution: | Tian Buning Tang Jiaming Yang Deshun Liu Qizhong |
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| Abstract: | Some characteristics of any given three-port network are discussed. A new method, called scalar- detection vector-transformation method, for the measurement of parameters of a network by three-port reflectometer is presented. This method utilizes a scalar- detection equation and the vector- transformation of the intrinsic parameters of a sampling microwave network to determine the complex reflection coefficient or the scattering parameters, which is independent of the proportional coefficient of a test system used and makes the test system simpler in hardware. Therefore, the reliability and stability of the test system is improved greatly. The validity and the realizability of the method are proved by the experimental results. |
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| Keywords: | Intrinsic vector Transformation of absorbing port Transformation of shifting port Scalar- detection vector-transformation |
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