u波段温度补偿带阻滤波器的多物理场设计方法

IF 1.8 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC
Chang Che;Yi Zeng;Ming Yu
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引用次数: 0

摘要

本文提出了一种新的带温度补偿的U波段带阻波导滤波器的多物理设计方法。双金属TC结构首先应用于高频带阻滤波器,用于在较宽的温度范围(−20°C~70°C)内工作,频率漂移较小。详细介绍了带阻滤波器的合成与设计。该方法主要从几何、多物理、后期生产和理论推广等方面指导双金属执行器的设计。阐述了双金属反应的几何推导,并导出了简化的等效模型。设计过程中共同阐述了包括温度、热应力和电磁场在内的多物理分析。考虑到制造误差,设计了一种TC结构的生产后调整方法,以供实际使用。引入了无量纲公式,为不同尺寸和TC要求的滤波器提供了通用的设计指南和规则。最后,制作了六阶温度补偿带阻滤波器,并在温度循环中进行了测试。测量结果验证了理论和仿真结果。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Multiphysics Design Methodology for U-Band Temperature-Compensated Bandstop Filters
This article proposes a novel multiphysics design methodology for a U-band bandstop waveguide filter with temperature compensation (TC). A bimetal TC structure is first implemented to a bandstop filter in such high frequencies for working in a wide temperature range (−20 °C ∼ 70 °C) with little frequency drift. The synthesis and design of the bandstop filter are detailed. The proposed methodology mainly guides the design of the bimetal actuator from geometry, multiphysics, post-production and theoretical promotion. The geometric derivation for the bimetal reactions is elaborated and leads to a simplified equivalent model. Multiphysics analysis, including temperature, thermal stress, and electromagnetic field, is co-elaborated in the design process. Considering the fabrication errors, a post-production adjustment method for the TC structure is designed for practical use. Dimensionless formulae are introduced to provide general design guidelines and rules for filters with different dimensions and TC demands. Finally, a sixth-order temperature-compensated bandstop filter is manufactured and tested in temperature cycles. The measurements have validated the theoretical and simulation results.
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CiteScore
4.30
自引率
0.00%
发文量
27
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