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首页> 外文期刊>International Journal of Microwave and Wireless Technologies >A miniature fractal-based dual-mode dual-band microstrip bandpass filter design
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A miniature fractal-based dual-mode dual-band microstrip bandpass filter design

机译：基于微型分形的双模双带微带通滤波器设计

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摘要

In this paper, a fractal-based complementary split-ring resonator (CSRR) has been introduced as a defected ground structure (DGS) in the ground plane of a dual-mode microstrip bandpass filter to produce a new compact filter with dual-band response. The conventional double square ring resonator structure is modified such that its inner ring is made with a fractal shape instead of a square. Measured and simulation results show that the resulting filter offers a dual passband response; the higher passband is attributed to the dual-mode microstrip ring structure, whereas the lower passband is as a result of the embedded CSRR DGS structure. In addition, the results show that the position of the lower passband could be varied, to a certain extent, without affecting the position of the higher passband by applying higher fractal iteration levels to the inner split ring. These features, together with the compact size the proposed filter offers, make it suitable for use in a wide variety of dual-band communication applications. Measured results, carried out on filter prototypes, have been found in agreement with those theoretically predicted.
机译：在本文中，基于分形的互补开口环谐振器（CSRR）作为双模微带通滤波器的接地平面中的缺陷接地结构（DGS）被引入，以产生具有双频响应的新型紧凑型滤波器。修改传统的双方形环谐振器结构，使得其内环由分形而不是正方形制成。测量和仿真结果表明，所得滤波器可提供双通带响应。较高的通带归因于双模微带环结构，而较低的通带归因于嵌入式CSRR DGS结构。此外，结果表明，可以通过将较高的分形迭代级别应用于内部裂环，在一定程度上改变较低通带的位置，而不会影响较高通带的位置。这些特性以及拟议滤波器提供的紧凑尺寸使其适合用于多种双频通信应用。已发现在过滤器原型上执行的测量结果与理论上预测的结果相符。

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  • 作者

    MUSHTAQ ALQAISY; CHANDAN CHAKRABRATY; JAWAD ALI; ADAM R.H. ALHAWARI;

  • 作者单位

    Department of Electronics and Communication Engineering, College of Engineering, Universiti Tenaga Nasional, Selangor, Malaysia;

    Department of Electronics and Communication Engineering, College of Engineering, Universiti Tenaga Nasional, Selangor, Malaysia;

    Microwave Research Group, Department of Electrical Engineering, University of Technology, Assinaa Street, 10001 Baghdad, Iraq;

    Wireless and Photonics Research Centre, Department of Computer and Communication Systems Engineering, Faculty of Engineering, Universiti Putra Malaysia, Selangor, Malaysia;

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  • 正文语种 eng
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  • 关键词

    Filters; Circuit Design and Applications;

    机译：过滤器;电路设计与应用;

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