另一个是低中频复数滤波器设计。
接收电路的主要部分是匹配滤波器。
介绍了这种滤波器的设计方法。
The design method for the filter is discussed by a practical example.
实验结果表明，该滤波器简单有效。
The experimental results suggest that the filter is simple and effective.
本文设计了一个4阶带通数字滤波器。
滤波器投入工程后，效果良好。
所以环路滤波器的噪声分析非常重要。
本文提出了一种新的滤波器设计方法。
A new method to design the power filter is proposed in this paper.
其中信道信息由自适应滤波器实时估计。
Meanwhile, the channel information can be estimated by adaptive filter.
电子滤波器可以消除谐波。
接着对有源电力滤波器原理与结构予以介绍。
Then the principle and structure of Active Power Filter is introduced.
本文还讨论了零相位互补扇形滤波器的设计。
本文研究了数字滤波器的几种常用设计方法。
This paper has studied several common methods of digital filter's design.
同时，该方法可以推广至带阻滤波器的设计。
Meanwhile, this method can be extended to the design of band-stop filter.
为消除这种现象，也要采用高阻滤波器处理。
数据滤波器设计问题。
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.
本文介绍零相移滤波器的工作原理及实现方法。
This paper introduce the principle and design of an zero-phase filter.
介绍一种基于双DSP控制的有源电力滤波器。
The double DSP control system used in shunt active power is introduced in this paper.
当抽头数目足够大时，两种滤波器性能趋于一致。
And with a big enough one, two filters 'performance will reach unanimity.
制约置换滤波器实用的关键是其参数数量过于庞大。
A key problem of permutation filters is its too many parameters.
这种滤波器有很好的边缘信号保护作用并易于实现。
The filter also preserve the signal edges very well and is simple to implement.
记住对于选择正确的滤波器系数，采样频率很重要。
Remember that the sample rate is very important to choosing the right coefficients.
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.
有源电力滤波器已成为解决这一问题的关键性技术。
用FORTRAN语言编写设计滤波器的计算机程序。
The computer programs for filter design are given and written in FORTRAN.
在第二部分，介绍了一类微波有源滤波器的设计方法。
In part two, this paper discuss a kind of method design microwave active filter.
从这个简单的低通滤波器，信号到积极的基调控制阶段。
From this simple lowpass filter, the signal goes to the active tone control stage.
利用窗函数法设计FIR滤波器，给出其抽样响应。
Using window function design FIR filter, given in response to its sample.
利用窗函数法设计FIR滤波器，给出其抽样响应。
Using window function design FIR filter, given in response to its sample.
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