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首页> 外文期刊>IEEE microwave magazine >Suppressing In-Band Interference: A Compact Lumped-Element Bandpass Filter with Adaptive In-band Interference Suppression Capabilities
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Suppressing In-Band Interference: A Compact Lumped-Element Bandpass Filter with Adaptive In-band Interference Suppression Capabilities

机译：抑制带内干扰：具有自适应带内干扰抑制功能的紧凑型集总元件带通滤波器

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摘要

Because of today?s exceedingly crowded radio spectrum, in which multiple sources of dynamic interference can desensitize a radio's receiver, the design of bandpass filters (BPFs) with adjustable transfer function characteristics has become a critical topic of research [1]-[14]. Out-of-band interference has been traditionally addressed by increasing the filter order, but the suppression of in-band interfering signals requires more sophisticated preselect RF filtering solutions, particularly for dynamic jamming scenarios. These include the integration of tunable bandstop filters (BSFs) in front of the preselected BPF [2]-[4] or the realization of BPFs with in-band interference suppression capabilities through incorporated BPF/BSF architectures that are codesigned to miniaturize the size of the preselected RF front-end stage [5]-[11].
机译：由于当今的无线电频谱非常拥挤，在其中多种动态干扰源可能会使无线电接收机的灵敏度降低，因此具有可调传递函数特性的带通滤波器（BPF）的设计已成为研究的关键课题[1]-[14] 。传统上，通过增加滤波器阶数来解决带外干扰，但是抑制带内干扰信号需要更复杂的预选RF滤波解决方案，尤其是在动态干扰情况下。其中包括在预选的BPF [2]-[4]之前集成可调谐的带阻滤波器（BSF），或者通过并入的BPF / BSF体系结构实现带内干扰抑制功能的BPF，这些BPF / BSF体系结构经过代码签名以最小化BPF预选的RF前端级[5]-[11]。

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