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。
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。
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。
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。
In addition to filtering harmonic active filter things, but also can dynamically compensate for reactive power.
有源滤波除了滤除谐波外，同时还可以动态补偿无功功率。
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 proposes a shunt hybrid active filter to suppress harmonic voltage resonances in industrial facilities.
本文提出倂联式混合式主动滤波器来抑制工业配线内的谐波失真。
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。
Active filter is basically an integrated operational amplifier, and r, c, has a no inductance, small size, light weight and so on.
有源滤波器基本上由集成运放和R、C组成，具有不用电感、体积小、重量轻等优点。
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。
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。
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.
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。
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。
But the integrated operational amplifier bandwidth is limited, so the current active filter circuit is difficult to do very high operating frequencies.
但集成运放带宽有限，所以目前的有源滤波电路的工作频率难以做得很高。
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。
In this paper, the control method of the current-source active filter is discussed, which is made up of the state-feedback and delay compensation control.
本文以并联电流型有源滤波器的数学模型为基础，讨论了有源滤波器的控制方法。该方法由负载电流前馈、电源电流状态反馈和控制延迟补偿组成。
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。
Based on the sensitivity analysis to the method of Butterworth active filter design. this paper introduces the advantage and disadvantage of each design project.
本文针对巴特·沃兹有源滤波器设计进行了灵敏度分析，给出了各个设计方案的优缺点。
As a new filtering device used in single phase circuit, hybrid type series active power filter is a combined system of shunt passive filter and series active filter.
串联混合型单相电力有源滤波器是串联有源滤波器与并联无源滤波器组合而成的单相电路新型滤波装置。
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