| 矢量拟合法在滤波器参数提取中的应用 |
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| 作者姓名： | 董坤坤 殷新社 |
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| 作者单位： | 中国空间技术研究院西安分院,西安710000 |
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| 摘 要： | 文章介绍了对滤波器进行参数提取的解析方法，并对关键的导纳参数Y曲线拟合准确性进行研究。通过与常规的最小二乘法求解超定方程组进行结果对比，给出了一种用于准确拟合导纳矩阵l，参数的方法——矢量拟合法，最后用8阶滤波器的S参数进行验证。
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| 关 键 词： | 滤波器 参数提取 导纳参数 矢量拟合 耦合矩阵 |
Application of Vector Fitting in Parameter Extraction of Filter |
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| Authors: | Dong Kunkun Yin Xinshe |
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| Institution: | (China Academy of Space Technology (Xi＇an) ,Xi＇an 710000,China) |
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| Abstract: | The analytical method of parameter extraction of filter is presented in this paper, and the accuracy of important curve fitting admittance parameters Y is studied. Compared with the conventional method of least squares solving overdetermined equation, a kind of accurate fitting admittance parameters Y - vector fitting （VF） is given. Finally, a example of 8-order filter is verified. |
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| Keywords: | Filter Parameter extraction Admittance matrix Vector fitting Coupling matrix |
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