等效电路

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

作者用简单的等效电路分析了材料吸波机制，阐明了这些参数的物理意义，定性地给出了吸波材料的设计方向。

Arc furnace,it is put forward that an optimum heat distribution relationship exists between the reaction area and furnace charge area,in view of this,a simple smelting model of submerged?arc furnace is set up.

摘 要 从铁合金矿热炉内的等效电路及其热分布出发，提出冶炼过程中炉内反应区和炉料区之间存在着一个最佳的配热关系，由此而建立起铁合金矿热炉简单的熔炼模型。

From the lumped equivalent circuit model, the phase shift/attenuation and impedance characteristics of the novel structure are first analysed based on the Bloch theory, which shows the novel structure has properties analogous to those of a bandpass filter: the attenuation constant keeps zero with a continuous and smooth characteristic impedance distribution within the passband and the bandwidth may be arbitrarily specified; characteristic impedance is purely imaginary with the inhibition of the electromagetic wave propagation outside the passband.

首先从一般的等效电路模型出发，根据Bloch周期性理论对该结构的相移、衰减和阻抗特性进行了分析，结果表明该新结构具有类似带通滤波器的特性：通带内衰减常数为零，特性阻抗为实数并随频率连续平滑分布，具有可任意指定的阻抗匹配带宽；带外特性阻抗为纯虚数，电磁波传播受到抑制。

The modeling method of valve components is based on the impedance measurements. Vector fitting is used to approximate the rational functions and Brune method is applied to provide equivalent circuits suitable for EMTP or PSCAD.

其中，阀组件内各元件的阻抗通过网络分析仪测量，然后通过矢量匹配进行零极点提取，最后通过布隆法进行网络综合得到阀组件各器件的宽频等效电路。

But in the subcircuit IGBT model, the conductivity modulated n- layer resistor is equivalent effectively to a VCR , and other components such as DMOST and pnp transistor portion are taken from the standard spice library.

在等效电路模型中，用电压控制电阻等效IGBT高阻、厚外延n-区的电导调制电阻，准确地体现了IGBT电导调制效应的原理，克服了传统IGBT等效电路模型把n-区电阻视为pnp管基极电阻的不足。

At the same time, brief equivalent circuit analysis of ideal bi-period structure is reviewed, and that of accelerating cavities (mostly comprises multilevel bunching section) is briefly presented.

同时对理想双周期结构的等效电路分析作了简要回顾，并对包括多级聚束段的加速结构作了简要的等效电路分析。

The equivalent circuit of signal path of high frequency relay was built by extracting the parasitic capacitance, inductance and resistance of signal path, based on the classical transmission line theory and partial element equivalent circuit method.

通过经典传输线理论及部分元等效电路(partial element equivalent circuit，PEEC)方法，对高频继电器常闭型信号传输路径的分布电容、电感、电阻等参数进行提取，建立信号传输路径的等效电路模型。

At the same time, the varistor to the equivalent circuit analysis, testing and measuring results in line with equivalent circuit.

同时，对该压敏电阻器进行了等效电路分析，试验测量与等效电路分析结果相符。

It also gives the equivalent circuit of coupling circuit and the expression of total impedance of equivalent circuit.

给出了耦合回路的等效电路和等效电路的总阻抗表示式。

Three type of dynamic equivalent circuit of asynchronous motor was figured out in this paper.

通过对异步电机的三种动态等效模型的数学推导，分析了用于矢量控制的异步电机T-Ⅰ动态等效电路和用于直接转矩控制的异步电机T-Ⅱ动态等效电路及其特定的物理意义。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。