• 本文简要介绍了脉冲磁导测量方法

    A measuring method for pulse permeability was briefly introduced in this paper.

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  • 计算了环向导率退能。

    The circular magnetic permeability and demagnetization energy were calculated.

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  • 磁导率测试增加而下降

    The real part of permeability decreases as the measuring frequency increasing.

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  • 共振静态磁导率温度降低而减少

    The static permeability and resonance frequency decrease with the drop of temperature.

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  • 引入开关等效电感平均概念

    The equivalent inductance and average magnetic conductivity of MS were involved in analysis of theory.

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  • 该文提出了一种新的高频磁导率测试方法

    This paper described a novel method for high -frequency complex permeability measurement.

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  • 本文讨论电机材料各种不同磁导率

    This paper discusses various permeability's of ferromagnetic materials used in electric machines.

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  • 证实了时效引起导率衰减可逆结构重排过程。

    It is proved that the permeability reduction caused by ageing is the rearrangement of reversible structure.

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  • 评价吸效能主要参数损耗因子介电常数、复导率

    The important parameters for the wave absorption effects are electromagnetic loss factor, complex dielectric constant, complex magnetic conductivity.

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  • 实验研究了纤维组分、直径和长径比对多纤维微波影响。

    The microwave permeability of polycrystalline iron fibers decreases with the increase of fiber diameter and increases with the increase of aspect ratio.

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  • 实验研究纤维组分直径长径比对多晶纤维微波磁导影响。

    The effects of fiber composition, diameter and aspect ratio on the microwave permeability of polycrystalline iron fiber have been studied in this paper.

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  • 并测试样品相对介电常数相对研究了它们损耗特性

    The electromagnetic loss property was studied by the relative dielectric constant and relative magnetic permeability of the ferrites.

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  • 研究了钢丝绳弯曲疲劳历程磁导率不同空间区间变化规律

    The law ofpermeability changes of different frequency range was studied during the wire rope fatigue test.

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  • 测试样品相对介电常数相对后,研究了它们的损耗特性

    The electromagnetic loss property was studied by the relative dielectric constant and relative magnetic permeability of the above three ferrites.

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  • 提出了中心工作非均匀系统铁氧体张量磁导率概念

    A concept of the tensor permeability in the multicenter-magnetized inhomogeneous magnetized systems in a latching state is proposed.

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  • 磁导率和负介电常数重叠的区域得到一个负的折射系数。

    Within the coupled resonant frequency region, the negative index of refraction can be achieved.

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  • 研究应用微波频段多层纳米颗粒膜电阻特性微波磁导率

    The resistivity, soft magnetic properties and microwave permeability of multilayer nanogranular films suitable for high frequency applications have been investigated in this work.

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  • 计算,分别就材料导率实数虚数情况进行了讨论

    The calculation of head reluctance deals with two conditions in which the core material permeability is real or complex.

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  • 常规材料相反,具有同时介电常数和,进而具有负的折射系数。

    Compared with regular material, it has some unusual parameters value, simultaneously negative permeability and permittivity.

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  • 折射媒质种人造媒质,在某一微波波段介电常数磁导同时负值

    Negative refractive index materials are artificial materials with permittivity and permeability both negative within certain microwave frequency band.

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  • 通过计算机模拟计算实验结合讨论了真空导率分布影响

    With the calculation and measuring experiment methods, the effect of vacuum chamber materials magnetic permeability on field distribution in a dipole magnet is discussed.

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  • 数值结果表明,相对介电常数相对磁导率相等平板具有最佳传输特性

    It is shown that the slab has the most optimized transmission performances if the relative permittivity of organic magnetic material equals to the relative permeability.

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  • 数值结果表明相对介电常数相对磁导相等天线具有最佳传输特性

    It is shown that radomes have the most optimized transmission performances if the relative permittivity of organic magnetic material equals to the relative permeability.

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  • 基于颗粒混合媒质模型,本文讨论了复合铁氧体吸波材料介电常数磁导率计算方法

    Based on the model of granular media, the calculating method of permittivity and permeability for compound ferrite absorption materials is studied.

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  • 折射材料一种重要新型人工合成材料,主要特征是介电常数导率小于零

    Negative refractive material is an important and new-style artificial and composite material, in which permittivity and permeability are simultaneously negative.

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  • 分析了低频均匀介质中的分布分布与介质的介电常数、导率密切相关。

    Magnetic field distribution of low frequency electromagnetic wave in even medium is analyzed, which is related to the medium's dielectric coefficient and magnetic inductive capacity.

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  • 当天线器内部为双层介质,且二者磁导率显著差异时,选择合适半径抑制反射

    The other is to restrain the reflecting field by selecting a suitable radius as filling with the double-deck magnetic substances, which have great differences in permeability.

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  • 最近几年一种具有介电常数人工复合材料在理论实验上引起了广泛关注

    In recent years, a complicated artificial material with negative permittivity and negative permeability has attracted much attention theoretically and experimentally.

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  • 最近几年一种具有介电常数人工复合材料在理论实验上引起了广泛关注

    In recent years, a complicated artificial material with negative permittivity and negative permeability has attracted much attention theoretically and experimentally.

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