具有通带隐形性能的多功能选频干扰器

IF 0.9 4区 工程技术 Q4 COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS International Journal of RF and Microwave Computer-Aided Engineering Pub Date : 2024-10-12 DOI:10.1155/2024/3699905
Kun Liao, Zhiming Liu
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引用次数: 0

摘要

研究了一种利用 PIN 二极管实现通带隐身性能的多功能频率选择器(MFSR),它由两个可重构组件(有损耗层和透射偏振转换器表面(无损耗层))组成。所提出的 MFSR 在工作状态下显示带内传输和带外吸收,但在非工作状态下关闭透明窗口以实现全带隐身。此外,还构建了等效电路模型(ECM)来注释所设计 MFSR 的工作原理。工作时,MFSR 在两个吸收带之间显示出 3.71 至 4.38 GHz 的宽跨偏振传输窗口,同时在 1.78 至 5.50 GHz 之间实现了宽带共偏振反射带(S11 < -10 dB)。在非工作状态下,当吸收率超过 80% 时,可在 1.81-7.0 GHz 范围内实现超宽带隐形频段,其分数带宽(FBW)为 117.8%。此外,MFSR 还具有稳定的斜入射特性(最大 25°)。最后,我们制作了 MFSR 的样品并进行了实验,以证明该设计的可用性。
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Multifunctional Frequency-Selective Rasorber With Passband Stealth Performance

A multifunctional frequency-selective rasorber (MFSR) with passband stealth performance by using PIN diodes is investigated, which is made up of two reconfigurable components (a lossy layer and transmissive polarization converter surface (lossless layer)). The proposed MFSR shows transmission in-band and absorption out-band at working state, but the transparent window is closed to achieve full-band stealth at nonworking state. Besides, the equivalent circuit model (ECM) is constructed to annotate the operating principle of the designed MFSR. The MFSR indicates a wide cross-polarized transmission window from 3.71 to 4.38 GHz between two absorption bands at working, meanwhile a broadband copolarized reflection band (S11 < −10 dB) is accomplished in 1.78–5.50 GHz. At nonworking, an ultra-wideband stealth band is realized in 1.81–7.0 GHz when the absorptivity is over 80%, which has a 117.8% fractional bandwidth (FBW). In addition, the MFSR has a stable oblique incident characteristic (up to 25°). Finally, the sample of the MFSR is manufactured and experimented to demonstrate the availability of this design.

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来源期刊
CiteScore
4.00
自引率
23.50%
发文量
489
审稿时长
3 months
期刊介绍: International Journal of RF and Microwave Computer-Aided Engineering provides a common forum for the dissemination of research and development results in the areas of computer-aided design and engineering of RF, microwave, and millimeter-wave components, circuits, subsystems, and antennas. The journal is intended to be a single source of valuable information for all engineers and technicians, RF/microwave/mm-wave CAD tool vendors, researchers in industry, government and academia, professors and students, and systems engineers involved in RF/microwave/mm-wave technology. Multidisciplinary in scope, the journal publishes peer-reviewed articles and short papers on topics that include, but are not limited to. . . -Computer-Aided Modeling -Computer-Aided Analysis -Computer-Aided Optimization -Software and Manufacturing Techniques -Computer-Aided Measurements -Measurements Interfaced with CAD Systems In addition, the scope of the journal includes features such as software reviews, RF/microwave/mm-wave CAD related news, including brief reviews of CAD papers published elsewhere and a "Letters to the Editor" section.
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