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程序用来消除周期性噪声干扰信号。要求在图像频域中设计一Butterworth陷波器，其阶数n和陷波器半径D0由理论知识通过自己的探索得出，理解二者对滤波器性能的影响。-Procedures used to eliminate the periodic noise signal. Request images to design a Butterworth frequency domain notch filter, and its order n and the radius of notch
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Design frequency domain Ideal, Butterworth and Gaussian band pass filters to filter the input image. Use your own grayscale picture as the input image. The filters must be passing frequencies between radius of 30 and 120 frequency components of the
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desiir.for
利用双线性Z变换设计巴特沃斯和切比雪夫I型IIR数字滤波器，包括低通、高通、带通、带阻四种形式。使用者只需指定通带、阻带的边缘实际频率及相应的衰减，便可输出数字滤波器 的级联形式的各子系统分子、分母的系数，并输出其幅频和相频响应。
-bilinear Z transform desiir.for design using Butterworth and Chebyshev IIR digital filter-I, including the low-pass, h
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We have to design a second order Butterworth filter having a sampling frequency of 20 kHz and -3db cut of frequency at 2 kHz in visual C. Only low frequency signals can pass through this filter and the signals having the frequency higher than frequen
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微波滤波器综合的出发点在于滤波函数的选择,滤波函数的性质决定了滤波器的响应。文中提出了一种广
义的巴特沃思滤波函数,在保留其群时延上优势的同时,通过引入有限位置的传输零点,大大的改善巴特沃思函数的带外
特性,使得其可以适应现代通信技术对微波滤波器的要求,在微波滤波器的实际设计中具有很好的应用价值。-Microwave filters and integrated starting point is the choice of filter function, filtering fun
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1.分析并了解巴特沃斯滤波器的频率特性
2.设计一个巴特沃斯滤波器使它符合对应的要求
3.学习绘制巴特沃斯滤波器的零极点分布图
4.通过设计对MATLAB的应用有了相应的了解
5.进一步了解截止频率和过渡带频率的范围等概念
-1、Analysis and understanding of the frequency characteristics of Butterworth filter
2、Design a Butterworth filter to ma
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介绍了巴特沃思(Butterworth)滤波器的应用、本质、特点、类型和设计实现步骤,通过对MATLAB信号处理工具箱中滤波器实现函数代码分析,提出了较标准双线性变换法步骤更简便的数字巴特沃思滤波器设计方法,并通过编程仿真实现数据滤波-The app lications, essence, characteristics, types, the design and imp lementation step s of the Butterworth filter were introduced.
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there is Design a butterworth low pass IIR filter.
(a) Using butterworth to design an IIR low pass filter with Fs=8192hz and Fpass =1000 and Fstop =1200. You use the minimum order of filter. And match exactly at pass band.
and other progr
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带通/带阻巴特沃斯滤波器设计，采用IIR滤波器设计思路，可以返回数字滤波器的二阶分割形式-Band-pass/band-reject Butterworth filter design, using IIR filter design ideas, you can return to the form of digital filter second-order segmentation
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scr ipt to design an IIR Filter low pass using Butterworth & lineal transformation to convert
from analogic to digital a prototype filter.
by actinio vjgonzalezg@gmail.com :)
It plots:
1-Frecuency response of the filter imp
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模拟滤波器的设计包含了巴特沃斯滤波器，切比雪夫滤波器，椭圆滤波器，以及10阶贝塞尔滤波器的平方幅频率和相频响应曲线，贝塞尔滤波器的特点是：在0拼时具有最平坦的群延迟，并在整个通带群延迟几乎不变-Analog filter design consists of Butterworth filters, Chebyshev filters, elliptic filters, as well as 10 pieces of first-order Bessel filter is the squar
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1. 用双线性变换法设计一个巴特沃斯低通IIR数字滤波器。设计指标参数为：在通带内频率低于0.2π时，最大衰减小于1dB；在阻带内[0.3π, π]频率区间上，最小衰减大于15dB.
2.0.02π为采样间隔，打印出数字滤波器在频率区间[0, π/2]上的频率响应特性曲线。
3. 用所设计的滤波器对实际心电图信号采样序列进行仿真滤波处理，观察总结滤波作用与效果
附：心电图采样序列x(n)
人体心电图信号在测量过程中往往受到工业高频干扰，所以必须经过低通滤波处理后，才能作为判断心脏
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提出了一种综合采用ButterWorth低通滤波器和平均值低通滤
波器的低通滤波器设计新方法.
-Presents a comprehensive low-pass filter and using ButterWorth average low-pass filter low-pass filter design of the new method.
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主要内容：利用冲击响应不变法设计数字低通滤波器；基于双线性Z变换法设计数字滤波器；基于巴特沃斯模拟滤波器设计高通滤波器；基于巴特沃斯模拟滤波器设计带通滤波器
4.5基于巴特沃斯模拟滤波器设计数字带阻滤波器
4.6利用双线性Z变换法设计一个带通椭圆滤波器
-Main elements: the use of the same impulse response digital low-pass filter design method bilinear Z-transform meth
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利用模拟Butterworth滤波器设计的数字低通滤波器matlab代码，只需改变其中的参数即可得到不同性能的滤波器。-Use of analog Butterworth filter design, digital low-pass filter matlab code, simply by changing one of the parameters can be obtained by the different properties of the filter.
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设计一个模拟巴特沃特低通滤波器，它在30rad/s处具有1dB或更好的波动，在50rad/s处具有至少30dB的衰减。求出级联形式的系统函数，画出滤波器的幅度响应、对数幅度响应、相位响应和脉冲响应图。-Design an analog low-pass filter of Bart Walter, it 30rad/s, at 1dB or better fluctuations in 50rad/s, at least 30dB of attenuation. Calculate the sy
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通过脉冲响应不变法设计巴特沃思数字滤波器
-impulse response method with the same design of Butterworth digital filter
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IIR滤波器的设计，脉冲响应不变法和双线性法都有。 巴斯沃斯滤波器 椭圆滤波器 切比雪夫滤波器-The design of IIR filters, the impulse response have the same method and the bilinear method. Bath Butterworth filter elliptic filter Chebyshev filter
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给定设计指标，由巴特沃斯滤波器的原型到实际滤波器的设计-Given design specifications, by the design of the prototype of the Butterworth filter to the actual filter
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利用matlab实现IIR滤波器的设计，其中包括Butterworth滤波器的设计、冲激响应法和双线性变换法-IIR filter design using matlab, including the design of the Butterworth filter impulse response method and the bilinear transform
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