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 emitting coil and capacitance are connected in parallel and form a resonant amplitude-modulation circuit, which converts the impedance into output voltage.

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该方法较全面地考虑了谐波治理、无功补偿、背景谐波、失谐、与电网阻抗的串并联谐振等问题。

It is thoroughly considered in this new method that harmonic attenuation, reactive power compensation, mistuning, background harmonic and resonance with power line impedance.

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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。

The impedance formula of RL-C parallel resonance circuit is deduced theoretically, and some properties of resonance characteristic curve are analysed.

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