巴特沃斯滤波器

文中给出了六阶巴特沃斯滤波器的设计举例及补偿前和补偿后的计算机PSPICE仿真结果。

Design example of 6-th order Butterworth filter and its computer PSPICE imitation results before compensation and after compensation are also given .

单OP-AMP二阶低通巴特沃斯滤波器的参数选择

Selection of value for resistors and capacitors for single op-amp second-order low-pass filters with Butterworth

最后对截止频率为100kHz的四阶巴特沃斯滤波器进行了仿真，验证了该方法及电路的正确性。

Lastly , the simulation to fourth-order butterworth filter with 100 kHz cutoff frequency was made to validate the design method and the circuits .

为了减少惯性测量装置模拟输出中的干扰信号对模数转换结果的影响，设计了数字巴特沃斯滤波器和中值平均滤波器。

A Butterworth filter and a median-value filter are designed .

电路中采用了二阶巴特沃斯滤波器作为输入和输出匹配电路；

The two-order Butterworth filter is adopted to achieve excellent input match and output match in the circuit .

研究了巴特沃斯滤波器与正交小波的内在联系，给出了利用巴特沃斯滤波系数测量电压、电流、有功功率、无功功率有效值的方法，使扰动幅度的计算精度进一步提高。

Through analyzing the relation between butterworth filters and orthonormal wavelets , a new approach for power measurment is proposed , which can improve the accuracy of magnitude of disturbances .

首先介绍了如何用分离元件来设计典型滤波器如贝塞尔滤波器、巴特沃斯滤波器，切比雪夫滤波器等的方法。然后讨论了采用集成电路芯片来设计抗混叠滤波器的方法。

It starts by guiding the reader through the design process for the basic filters like Butterworth , Chebyshev , and Bessel with separate components , it then goes on to introduce designing anti-aliasing filters using integrated circuits .

本文采用通用公式设计数字式巴特沃斯滤波器，并和采用传统设计的方法相比较，两者的结果是相一致的，同时还设计出零极点数量不相等的滤波器。

This paper introduces the general formula to design the digital Butterworth filters without the help of the analog filter , and the results are consistent after comparing with the traditional method , also designs the zeros-poles plot equal filter .

设计数字式巴特沃斯滤波器的传统方法是先设计好相应的模拟滤波器，再经过双线性变换得到数字式巴特沃斯滤波器，因此必须依赖于模拟滤波器，同时无法得到零极点数量不相等的滤波器。

The classical method for the digital Butterworth filter design is to work out corresponding analog filter first , then obtain the digital Butterworth filter from the bilinear transform , therefore the traditional method relies on the analog filter , and cannot obtain the zeros-poles plot equal filter .

利用MATLAB设计巴特沃斯数字滤波器

Design of Digital Butterworth Filter by Matlab Language

通过示例介绍了利用MATLAB语言设计巴特沃斯数字滤波器的方法及如何实现仿真。

The paper with examples , introduces basic method to design digital butterworth filter by Matlab language and to realize simulation .

巴特沃斯数字滤波器在自动测试中的应用

The application of the Butterworth digital filter in automatic measurements

基于Pspice的八阶巴特沃斯低通滤波器设计与优化

The Design and Optimization of Low Pass Filter Based on Pspice

通过综合分析四种频域低通滤波器的性能特点，选择巴特沃斯低通滤波器来进行频域滤波，在MATLAB中产生滤波器系数并将系数进行CSD编码，然后应用CSE优化算法对其进行优化设计。

Generated the filter coefficient in MATLAB and encoded them with CSD , optimized the Butterworth low-pass filter with CSE optimization algorithm .

巴特沃斯低通滤波器在电动机测试中的应用

Application of Bathurst lowpass filter during motor testing

密度滤波器采用简单的2维2阶巴特沃斯带通滤波器来实现对噪声的限制。

Density filter is a simple 2D band-pass Butterworth filter , which used to reduce noise .

采用了巴特沃斯低通滤波器和滑动平均滤波器相结合对采集的陀螺信号进行滤波；

Butterworth low-pass filter combined with moving-average filter was designed to smooth the output of two gyros .

在上位机软件设计中完成了数据的解包存储、巴特沃斯低通滤波器、基于信号极值和互相关两种延时估计算法，实现了两路信号延时的精确计算。

The system can not only unpack and store data , but also use two delay estimation algorithms : Butterworth low-pass filter and signal extreme and the cross-correlation which can get accurate calculation of the two signals .

以一款SCF的IC（MAX291）为例，设计了整个巴特沃斯型低通滤波器电路和等幅移相电路。

The overall filtering circuit consisting of SCF and phase shift is designed by using a SCF integrated circuit ( MAX291 ) .

设计了二阶巴特沃斯数字低通滤波器。然后，介绍了光伏并网发电系统。

Design the second-order Butterworth digital low-pass filter . Then , introduce the gird connected PV system .

通过分析比较实际应用中使用较广泛的三种有源滤波电路（巴特沃斯、切比雪夫和贝塞尔滤波电路）的优缺点，选择了巴特沃斯低通有源滤波器作为信号的前置滤波。

By analyzing the advantage and disadvantage of three wide used active filter circuits ( Butterworth , Chebyshev and Bessel filter circuits ) in practical application , the active low-pass Butterworth filter is chosen as a pre-filter .