The filter is composed of an active filter (AF) and a passive filter (PF).
滤波器是由有源滤波器(AF)和无源滤波器(PF)串联组成。
In part two, this paper discuss a kind of method design microwave active filter.
在第二部分，介绍了一类微波有源滤波器的设计方法。
Promote the new products like Active Filter, Advanced Harmonic Filter in tobacco.
促进新产品在烟草行业中的销售，如有源滤波器、无源滤波器等。
Basic principles and structure of power active filter is introduced in this paper.
介绍了电力有源滤波器的基本原理和结构。
Impact of backwashing on biomass growth in biological active filter was researched.
研究了反冲洗对生物活性滤池生物量的影响。
In this paper, we try to make use of Computer Aided Design for all pole active filter.
本文对全极点有源滤波器进行了计算机辅助设计。
Double current hysteresis optimal state control method in single active filter is proposed.
提出了单相有源滤波器双滞环电流比较状态优化控制方法。
Based on the method, active filter device has a wide application prospect and practical value.
基于该方法的有源滤波器装置有较好的应用前景和实用价值。
A new active filter with one capacitor, one operational amplifier and two resistors is presented.
这种新型的有源滤波器，只用一个电容器、一个运算放大器和两个电阻器。
This paper presents an available method-an active filter based on adjusting maximum phase of deviation.
给出了一种基于偏差最大相校正的电力有源滤波器的实现方法。
One academic leaders to power active filter for the product applied to the industrial site of the first.
其中学术带头人为把电力主动滤波器产品应用到工业现场的第一人。
Real-time and accurate harmonic detection and control is the key for practical active filter implementation.
实时、高精度的谐波检测和控制是有源滤波器的重要部分。
The harm and type of harmonic wave were introduced, and the principle of active filter was analyzed as well.
介绍谐波的危害，产生谐波的类型，有源滤波的原理。
If active filter circuit is adopted, wet tantalum capacitor will face test of high voltage and high frequency.
一旦采用有源滤波电路，钽电容器将面临高压和高频性能的严峻考验。
By comparison, it is proposed that the active filter is one effective method of the decrease pressure pulsation.
通过对比，提出主动滤波是降低压力脉动的一种行之有效的方法。
The process of development on a type of high order linked low - pass active filter CAD is introduced in the paper.
本文介绍一种高阶链接式有源滤波器CAD的实现过程。
This paper presents a hybrid active filter system, which consisted of shunt active filter and series smoothing reactor.
为此，提出了一种由并联有源滤波器和串联平波电抗器组成的混合有源滤波系统。
However, the adoption of active filter technique a kind of reasonable, valid means to solve modern electric power quality problem.
而采用有源滤波技术是解决现代电能质量问题的一种非常合理、有效的手段。
The CAA can study and analyse the effects of all elements on the amplitude-frequency characteristic of active Filter systematically.
该CAA能系统地研究和分析二阶低通有源滤波器的各元件值对幅频特性的影响。
A example for RC active filter with low Q value on design dimension methods is discussed in the end, and got to a better design result.
最后通过实例阐述了用设计空间法设计的低q值r C滤波器，并且得到了较好的设计结果。
The reliability of this CAD method described in this article for all Pole Active Filter has been proved theoretically and experimentally.
本文提出的全极点有源滤波的CAD方法，从原理和实验上都证明了它的可靠性。
In the basis of determining various strategy, about this proposed parallel hybrid active filter, the DSP hardware and software are designed.
在确定各种方案的基础上，对本文所提出的并联型混合有源滤波器进行了DSP硬件和软件设计。
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。
According to the characteristics of active filter, Fe-Si-Al is used and minimum volume method is adopted to optimize the design of inductance.
根据有源滤波的特点提出了采用铁硅铝作为铁心材料，利用最小体积法对电感进行了优化设计。
The working principle of novel single-phase RITHAF (Resonant Impendent Type Hybrid Active filter) and its filtering characteristic are analyzed.
分析了新型单相谐振阻抗型混合电力滤波器的工作原理及滤波特性。
A new restraining network method for analysing the network with operational amplifier is investigated in detail, taking RC active filter as a sample.
以RC有源滤波电路为例，介绍了一种对含有运算放大器网络进行分析的新的约束网络法，并对其进行了较细致的研究。
This paper analyzed how to solve the harmonic problem produced by frequency converter using active filter on amine production tine in Anhui Huaihua Group.
并分析了淮化集团甲胺生产线如何采用并联有源滤波器，解决因变频器所导致的谐波问题。
Active Filter access point and then after the line current harmonics back to the company as the regulator's input, adjusting the feedforward control error.
再将有源滤波器接入点后的线上电流的谐波分量反馈回来，作为调节器的输入，调整前馈控制的误差。
The selection of harmonic inspection and control method for active filter and certainty of last added compensation capacity and quality factor were expounded.
阐述了有源滤波部分谐波检测与控制方案的选取、新增补偿容量与品质因数的确定。
All-controlling power electronics device IGBT in traction power transmission and transformation of power transmission and active filter etc widely application.
全控型电力电子器件IGBT在牵引电传动电能传输与变换、有源滤波等领域得到了广泛的应用。
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