滤波器的设计，实质上是数学逼近理论的应用。
Design of the filter is essentially application of approximation theory.
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。
Based on the method, active filter device has a wide application prospect and practical value.
本文介绍了自适应滤波器的基本原理，结构和应用；
The paper begins with the principle of adaptive filter, structure and application.
详细介绍了自抗扰控制器的原理与结构，并将其应用在并联型有源电力滤波器中。
This paper presents the theory and structure of ADC and its application in APF.
该相位均衡滤波器实现方法可应用于数字通信系统。
The filter can find application in the digital communication system.
该原理对电力滤波器研究及应用，具有一般性和一定的指导意义。
To the study and its application of APF, the principle is universal and helpful.
电源的低功耗设计，应用程序可以使用一个单一的电容滤波器。
A power supply designed for low power application may use a single capacitor filter.
电源的低功耗设计，应用程序可以使用一个单一的电容滤波器。
A power supply designed for low power application may use a single capacitor filter.
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