A novel double-sampling double-delay switched capacitor resonator with high performance is proposed. High notch Q-value and accurate notch frequency are analyzed at the transfer function level.

在研究了开关电容谐振子的基础上，提出了一个新颖的高性能的双采样的双延迟式谐振子，传输函数级的分析和模拟表明该谐振子具有高的陷波Q值和精确的陷波频率。

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According to features of power quality disturbance signal, this paper detects the disturbance signals of high-frequency, transient impulse and voltage notch with wavelet transforming.

针对电能质量扰动信号的特性，本文采用小波变换对电力系统的高频、瞬时脉冲、电压切痕扰动信号进行检测。

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During signal processing, choosing low noise, high-precision, low-power amplifier AD620 as a pre-amplifier, and high-and low-pass filter and the frequency notch filter removal of interfering signals.

在信号处理中选用具有低噪声、高精度、低功耗放大器ad620作为前置放大器，并以高、低通滤波器和工频陷波器清除干扰信号。

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