The impedance function is approximated by fractional polynomial, which is represented as a series connection of parallel RL elements (Foster form).
阻抗函数用分式多项式近似，并表达为串接的并联电阻、电感的福斯特电路形式。
In addition, impedance is important to achieve a proper load division in the parallel operation of transformers.
此外，要实现变压器并联运行时的恰当负荷分配，阻抗值是重要的。收藏。
A proper integral filter is designed to parallel with the Fourier system Thus the influence of DC offset on impedance calculation is cancelled.
傅里叶系统并联一个适当的积分滤波器以后可以消除非周期分量对阻抗计算的影响。
The emitting coil and capacitance are connected in parallel and form a resonant amplitude-modulation circuit, which converts the impedance into output voltage.
利用发射线圈与电容并联的谐振调幅电路，将线圈阻抗变化转换成电压的输出。
The parallel transformer can exhibit controllable impedance under the control of power electronic converters.
通过电力电子变换器的控制，使得并联变压器呈现可控的阻抗。
Theory analysis proves that the output impedance of parallel system is reduced and the precision of output voltage is improved.
理论分析证明并联系统的输出阻抗减小，输出电压精度提高。
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。
The impedance formula of RL-C parallel resonance circuit is deduced theoretically, and some properties of resonance characteristic curve are analysed.
从理论上导出了RL - C并联谐振电路的阻抗公式，由此分析谐振特性曲线性质，并得出文献中引用的RL - C谐振特性曲线成立的充分条件。
For the direct power traction systems with full parallel connection, the characteristics of short-circuit impedance is analyzed with method of two symmetrical phases, and the expression is acquired.
对于全并联直接供电牵引网短路故障，采用两相对称分量法，分析电路特征，得到短路阻抗表达式。
In the meanwhile it is pointed out that the quantity change of the parallel line and zero-sequence impedance must be retested.
同时还指出平行线路条数变化，零序阻抗均需重新测试。
Considering the mutual flux linkage of parallel lines, this paper presents a general method for update computation of the impedance matrix.
在计及并联线路互感的情况下，提出了一种节点阻抗矩阵修正计算的通用算法。
Considering the mutual flux linkage of parallel lines, this paper presents a general method for update computation of the impedance matrix.
在计及并联线路互感的情况下，提出了一种节点阻抗矩阵修正计算的通用算法。
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