基于T型滤波器的调光方法，能在很窄的工作频率范围内实现深度调光，同时具有灯电流波峰因数低的优点。
Based on T type filter, the new ballast can achieve a wide dimming range with a very narrow frequency variation range, and it can operate with low lamp current crest factor.
每个梯形输入的加权因数与一个数字滤波器抽头系数对应。
Each ladder input's weighting factor corresponds to one of the digital filter tap coefficients.
在电气化铁道牵引变电站中，装设无功补偿电容器和谐波滤波器是提高功率因数、改善电能质量的重要手段。
In electric railway traction substation, power capacitors and harmonic filters are the important devices for improving both the power factor and the power quality.
因此，合理设计滤波器，可使牵引变电站的功率因数及谐波同时满足要求。
Hence, a filter could be designed to increase power factor of traction substation and decrease the harmonic currents.
本文还将单位功率因数的概念引入串联型有源电力滤波器的控制中，提出了串联型有源电力滤波器的控制技术。
The concept of unity power factor can also be applied to the control of series active power filter. And the control method is provided.
本文简述了MF10开关电容滤波器的工作原理。介绍了利用MF10组成滤波器品质因数和外接电阻的计算方法。
This paper briefly introduces the principles of MF10 switched capacitor filter andpasentes the method of computing quality factor and external resistors.
提出了采用滑模变结构电流内环与由PI调节器和数字低通滤波器组成的电压外环相结合的控制系统，以实现高性能高速度的功率因数校正。
This PFC was realized by employing sliding-mode variable-structure inner current loop control and outer voltage loop PI control with digital low-pass filter to achieve high performance.
高通共振品质(被称为高通共振品质因数)决定多少滤波器的自共振被抑制。
The Highpass resonance Q (known as Highpass resonance Quality Factor) determines how much the filter's self-resonance is dampened.
本文对基于单位功率因数的谐波电流检测方法进行了改进，用移动窗积分法取代检测中常用的低通滤波器。
This paper improved the harmonic current detection method based on UPF (unity power factor), using the slipped window integral to replace the LPF (low pass filter).
每个MAX262器件含有两个二阶滤波器，在程序控制下设置中心频率f 0、品质因数Q和滤波器工作方式。
Each MAX262 device consists of two second-order filters, under program control to set the center frequency f0, the quality factor q, and filter work.
所述单元块用于制造磁芯，该磁芯应用于PFC（功率因数校正）用有源滤波器、三相线路电抗器或汽车电子设备所用的电感器。
The unit block is used to produce cores applied to an active filter for PFC, a three-phase line reactor, or an inductor for automotive electronics.
而设计加入一个差模EMI滤波器以提升系统电路的功率因数并降低总电流谐波量以符合相关的规范。
The design of input differential-mode (DM) EMI filter for the reduction of total-harmonic-distortion (THD) for line current has been developed in considerations of practical design limitations.
而设计加入一个差模EMI滤波器以提升系统电路的功率因数并降低总电流谐波量以符合相关的规范。
The design of input differential-mode (DM) EMI filter for the reduction of total-harmonic-distortion (THD) for line current has been developed in considerations of practical design limitations.
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