有源电力滤波器谐波检测中数字低通滤波器的设计是关键。
The key of active power filter harmonic detection is the design of digital low-pass filter.
一个简单的汇编程序适合于微处理器实现数字低通滤波器。
A simple assembler routine fits a digital lowpass filter into a microcontroller.
为了缩短数字低通滤波器的动态时间和计算量，提出了基于重采样和反馈理论的数字化谐波检测方法。
A method for digital harmonic detecting based on resampling and feedback theory is proposed, and a digital harmonic detecting system is designed.
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.
对于上面的例子提及的低通滤波器，你可以选择两种FIR和四种IIR数字滤波器进行设计。
For the lowpass filter example above, you have a choice of two FIR and four IIR digital filter designs.
该解调器由数字混频器、数字频率合成器(DDFS)和低通滤波器构成。
This initial demodulator incorporates a digital mixer, DDFS and low-pass filter.
尽管采用数字混频和低通滤波器组可以对各发射分量进行分离，但运算量太大，难以实时实现。
Such a problem can be solved by adopting digital mixers and low-pass, but the amount of operation in this way is too large for real-time realization.
同时，设计了用于牵引逆变器控制的二次数字陷波器以及低通滤波器滤除直流电压信号的二次脉动。
Simultaneously, the second order notch filter and low-pass filter are designed to filter the second order rippled DC voltage signal.
分析了FIR数字滤波器的基本原理，在MATLAB环境下利用窗函数设计FIR低通滤波器，实现了FIR低通滤波器的设计仿真。
Has analyzed the FIR digit filter's basic principle, designs the FIR low pass filter under the MATLAB environment using the window box number, has realized the low pass FIR filter's design simulation.
分析了FIR数字滤波器的基本原理，在MATLAB环境下利用窗函数设计FIR低通滤波器，实现了FIR低通滤波器的设计仿真。
Has analyzed the FIR digit filter's basic principle, designs the FIR low pass filter under the MATLAB environment using the window box number, has realized the low pass FIR filter's design simulation.
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