Based on transmission line theory and extraction method of active impedance of waveguide slot, a simplified computation method for the leaky-wall ridge waveguide filter is presented in this paper.
基于传输线理论和波导裂缝有源阻抗提取方法，提出了一种脊波导漏壁式滤波器的简化算法。
The active filter acts as an infinite impedance to the external for the fundamental frequency and as a low resistor for harmonic frequencies.
对外电路而言，在基波频率下有源滤波器被控制为无限大阻抗，在谐波频率下被控制为小电阻。
The results indicate that it can improve impedance characteristics to add active carbon into ruthenium oxide, but decrease the capacitance of composite electrodes simultaneously.
实验结果表明在二氧化钌中加入适量的活性炭，可以改善电极的阻抗特性，但将以降低电容量为代价。
On the basis of active power filter linear shunt transformer harmonic impedance control, a novel principle for high voltage alternate power distribution systems is proposed.
针对高压交流配电系统，提出一种基于线性并联变压器谐波阻抗控制的并联型有源电力滤波器新原理。
The property of the hybrid active silencer relies on the equivalent impedance at the secondary sound source position and the impedance distribution characteristics of the one-chamber pipe itself.
研究结果表明，复合有源消声器的消声效果取决于次级扬声器位置的等效声阻抗以及无源式消声管道本身的阻抗分布特性。
The scattering parameter expression of two port properties of impedance Z (in series connection) and admittance Y (in parallel connection) are discussed and their active RC model is presented.
讨论了用散射参数表达的串联阻抗Z和并联导纳Y的二端口特性，给出了它们的有源RC电路模型。
Applying feedforward control of harmonic voltage to hybrid active power filter of finite harmonic impedance can restrain line harmonic voltage.
有限阻抗型混合有源电力滤波器中应用电压谐波前馈控制，能加强对网侧电压的谐波抑制。
A novel shunt hybrid active power filter based on controllable impedance is proposed.
提出一种新型的基于阻抗可控的并联混合型有源电力滤波器。
An active receiving antenna consisting of conical helix antenna and a negative impedance changing circuit is analyzed in this paper.
对用负阻抗变换电路同圆锥螺旋天线相结合，构成的有源接收天线进行了理论分析。
An active antenna consisting of electrically small antennas and a negative impedance changing circuit is analyzed in this paper.
本文对用一种负阻抗变换电路同电小天线导线相结合构成的有源天线进行了理论分析。
A filter media for an active field polarized media air cleaner comprises two layers of dielectric material, and a high-impedance permeable net is sandwiched in the low-impedance dielectric layer.
一种用于有效场极化介质空气净化器的过滤介质，包括两层介电材料，并且在低阻抗的该介电层之间夹设有高阻抗的透气网。
A filter media for an active field polarized media air cleaner comprises two layers of dielectric material, and a high-impedance permeable net is sandwiched in the low-impedance dielectric layer.
一种用于有效场极化介质空气净化器的过滤介质，包括两层介电材料，并且在低阻抗的该介电层之间夹设有高阻抗的透气网。
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