The analytic expressions for its relative effective permittivity, capacitance per unit length and characteristic impedance are given.
给出了它的有效介电常数，单位长度电容和特性阻抗的解析表达式。
In this dissertation, characteristic impedance and effective permittivity of two well-known electromagnetic stop band structures have been fitted by this method.
本文用该方法拟合了两个已有的电磁阻带结构的特性阻抗和有效介电常数。
Since large impedance contrasts exist between eclogite and other rocks, it is effective that the VSP profiles are used to calibrate geological horizons of seismic reflections.
由于榴辉岩与其他岩石类型之间存在较大的波阻抗差异，因此用零偏VSP资料标定该区地震波的地质层位是有效的。
The calculation results have shown that when the angles of the center electrode and the grounds decrease, the effective index, the characteristic impedance, and the conductor loss all decrease.
通过计算发现，随着中间电极角度和地电极角度增加，有效折射率、特征阻抗同时减小，导体损耗系数也随之减小。
The model uses the effective impedance of the microstrip line as the value of matched resistive load and assign it into the RL mesh region in a proper proportion.
该模型将微带线的有效阻抗作为匹配负载电阻，然后按适当的比例分布到端接面的网格中。
The predictive method for cell failure by monitoring the cell impedance is very effective method which can replace the frequently battery capacity test.
而利用电池内阻预测单体电池故障是非常有效的，该方法可以替代电池容量试验方法。
Connecting with exterior grounding conductor is an effective measure to decrease ground grid grounding impedance.
引外接地是一种降低地网接地阻抗的有效措施。
The impedance data volume was used to predict the sand thickness and the effective sand thickness, showing a good accordance with the drilling results.
利用波阻抗数据体进行了砂岩厚度和有效砂岩厚度预测，预测结果与钻井结果吻合较好。
The frequency response will be good as well, since there is no loss in effective impedance at low frequencies.
频响也会好一些，因为低频段有效阻抗不会下降。
The frequency response will be good as well, since there is no loss in effective impedance at low frequencies.
频响也会好一些，因为低频段有效阻抗不会下降。
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