基于铁氧体的移相器设计:非饱和各向异性铁氧体的建模问题

2013 IEEE MTT-S International Microwave Symposium Digest (MTT) Pub Date : 2013-06-02 DOI:10.1109/MWSYM.2013.6697575

Armel Le Gouellec, G. Verissimo, P. Quéffélec, V. Laur, I. Albert, Thierry Girard

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引用次数: 7

摘要

铁氧体在非饱和状态下的微波行为建模是铁氧体移相器设计者亟待解决的问题。本文对铁氧体板加载的WR-90波导进行了研究。使用Polder张量的经典模拟即使在完全饱和状态下也与测量结果不一致。使用广义磁导率张量模型观察到改进，并考虑了额外的动态退磁场。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Ferrite-based phase shifters design: The modeling problem of non-saturated anisotropic ferrites

Modeling the microwave behavior of ferrite in a non-saturated state is a burning issue for ferrite phase shifter designers. In this paper, a WR-90 waveguide loaded by a ferrite slab is studied. Classical simulations, using the Polder tensor, are not consistent with the measurements even in the case of a totally saturated state. An improvement was observed by using a generalized permeability tensor model, enhanced by taking into account an extra dynamic demagnetizing field.

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2013 IEEE MTT-S International Microwave Symposium Digest (MTT)

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