| 一种可调带通腔体滤波器的设计 |
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| 引用本文： | 熊莹霞,尹秋艳,张洪刚.一种可调带通腔体滤波器的设计[J].舰船电子工程,2005,25(5):126-128. |
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| 作者姓名： | 熊莹霞 尹秋艳 张洪刚 |
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| 作者单位： | 华东师范大学信息科学技术学院电子系,上海,200062 |
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| 摘 要： | 介绍了一种可调腔体带通滤波器的设计方法,从集总网络参数原理出发,结合直接耦合腔体滤波器的参数确定方法,以及根据耦合孔的相关理论,计算得到所设计滤波器的尺寸参数.最后给出了滤波器的实测结果,从中可以看出滤波器具有阻带范围宽,在可调范围内矩形特性和带宽基本不变的特点.
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| 关 键 词： | 带通滤波器 耦合结构 可调 |
| 收稿时间： | 2005-03-30 |
| 修稿时间： | 2005-05-13 |
A Tunable Bandpass Filter with Improved Stopband Performance |
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| Xiong YingXia;Yin QiuYan;Zhang HongGang.A Tunable Bandpass Filter with Improved Stopband Performance[J].Ship Electronic Engineering,2005,25(5):126-128. |
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| Authors: | Xiong YingXia;Yin QiuYan;Zhang HongGang |
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| Abstract: | The article presents a design method of tunable cavity band-pass filter.Base on the lumped-element network theory,direct-coupling cavity filter design method and relative coupling theories,we compute the dimension parameters,and then design the filter.We last give the practical performance indexes,from which we can draw a conclusion that the designed filter enjoys the characteristics of wide stop-band,almost invariable bandwidth and rectangle characteristic. |
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| Keywords: | band-pass filter coupling structure tunable |
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