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Description: 试用时域最小平方误差准则（最小平方逆设计）设计一个具有四项系数的IIR DF的系统函数，使其在y(n)=[3,2,1]输入激励下，输出v(n)逼近d(n)=[2,0.2,0.05]。令v(-1)=v(-2)=0。求出v(n)的前8个样值与d(n)进行比较。用matlab实现了此要求。-trial at the least square error domain guidelines (minimum inverse square design) design with a four DF IIR coefficient of the system function, so in y (n) = [3,2,1] incentive to import, export v (n) approximation d (n) = [2,0.2,0.05]. So v (1) = v (2) = 0. Get v (n) of eight samples value d (n) comparisons. Using Matlab realization of this request.
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Size: 822 |
Author: lsd |
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Description: 现有一个信号：x(n)=1+cos(π*n/4)+ cos(2*π*n/3)设计及各种数字滤波器以达下列目的：
低通滤波器，滤除cos(2*π*n/3) 的成分，即想保留的成分为1+cos(π*n/4)
高通滤波器，滤除1+cos(π*n/4) 的成分，即想保留的成分为cos(2*π*n/3)
带通滤波器，滤除1+cos(2*π*n/3) 的成分，即想保留的成分为cos(π*n/4)
带阻滤波器，滤除cos(π*n/4) 的成分，即想保留的成分为1+cos(2*π*n/3)
1. 用MATLAB命令butterord求除滤波器的阶数,用命令butter设计各滤波器；画出滤波器幅度和相频相应 取各滤波器的系统函数H(z)。
-an existing signal : x (n) = a cos ( * n / 4) cos (2 * * n / 3) design and digital filter to achieve the following objectives : low-pass filter, filter cos (2 * * n / 3) the ingredients that want to retain an element of a cos ( * n / 4) high-pass filter, a filter cos ( * n / 4) components, namely to retain the element of cos (2 * * n / 3) band-pass filter , a filter cos (2 * * n / 3) components, namely to retain the element of cos ( * n / 4) band stop filter, the filter cos ( * n / 4) components, namely to retain the ingredients for a cos ( 2 * * n / 3) 1. MATLAB order butterord except for the band Filter, using the order of the filter design butter; paint Filter magnitude and phase frequency of the corresponding filter system function H (z).
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Size: 46036 |
Author: 殷开 |
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Description: 一个matlab实现IIR、FIR、LMS、NLMS等算法的m代码-a Matlab IIR, FIR, LMS, NLMS algorithm code m
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Size: 129879 |
Author: 郑良德 |
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Description: IIR滤波器的设计论文，基于MATLAB的设计。
希望它能对大家有一定的作用，谢谢！-IIR filter design paper, the design based on MATLAB. Hope that it will have some effect on you, thank you!
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Size: 89088 |
Author: 王友义 |
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Description: matlab语音信号处理 语音信号采集，然后设计FFR和IIR进行低通滤波，效果比较。，/-matlab .,////////////////////////////////
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Size: 2048 |
Author: 唐浩 |
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Description: Matlab code for image processing.
This code helps to remove noise from your image.
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Size: 2048 |
Author: Nayan Patel |
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Description: FPGA关于数字滤波器设计,FIR的FPGA实现及其Quartus与MATLAB仿真-FPGA on the digital filter design, FIR s Quartus FPGA Implementation and Simulation with MATLAB
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Size: 5149696 |
Author: 方明 |
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Description: MATLAB7.X信号处理工具箱函数汇总
1、 滤波器分析与实现
2、 FIR数字滤波器设计
3、 IIR数字滤波器设计
4、 模拟滤波器设计
5、 模拟滤波器变换
6、 滤波器离散化
7、 线性系统变换
8、 窗函数
9、 变换
10、 统计信号处理与谱分析
11、 参数模型
12、 线性预测
13、 多采样率信号处理
14、 波形产生
15、 特殊操作-MATLAB7.X Signal Processing Toolbox functions Rollup 1, filter analysis and implementation of 2, FIR digital filter design 3, IIR digital filter design 4, 5 analog filter design, analog filter transform 6, 7 discrete filter, 8 linear system transformation, the window function 9, 10 transformation, statistical signal processing and spectrum analysis 11, 12-parameter model, linear prediction 13, 14 of multirate signal processing, waveform generator 15, a special operation
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Size: 26624 |
Author: zhaohengzheng |
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Description: 数字滤波器是数字信号处理的重要环节，数字滤波器可分为IIR和FIR两大类。本文介绍了IIR和FIR的基本设计原理以及在MATLAB环境下如何利用直接程序设计法、SPTOOL设计法和FDATOOL设计法给出IIR和FIR数字滤波器的设计方法和操作步骤，并给出设计设计实例及运行结果，同时利用MATLAB环境下的仿真软件SIMULINK对所设计的滤波器进行模拟仿真，仿真结果表示设计参数设置合理。-The important aspect of the digital filter is a digital signal processing, digital IIR and FIR filter may be divided into two categories. This article describes the basic design principle of IIR and FIR, as well as how to use the MATLAB environment direct programming method the SPTOOL Design Law and FDATOOL of design method given IIR and FIR digital filter design methods and steps and design design example is given and operating results, while taking advantage of simulation software SIMULINK MATLAB environment of filter design simulation, design parameters set reasonable simulation results indicates.
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Size: 808960 |
Author: 王策 |
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Description: 基于MATLAB GUI数字滤波器的设计
（1）要有人机交互界面。
（2）可实现IIR低通、IIR带通、FIR低通、FIR带通类型的数字滤波器。
（3）设计的滤波器可以显示幅频响应曲线等图形，便于对此滤波器进行性能分析。(MATLAB digital filter)
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Size: 17408 |
Author: 侵晓
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Description: IIR滤波器的设计及实现,利用MATLAB设计IIR滤波器。(IIR filter design and implementation, the use of MATLAB design IIR filter.)
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Size: 2048 |
Author: YkY101
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Description: FIR和IIR滤波器仿真的MATLAB程序(FIR and IIR filter simulation MATLAB program)
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Size: 1024 |
Author: 天佑斋小和尚
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Description: 最典型的IIR滤波器和FIR滤波器设计例程，DSP的基础(The most typical IIR filter and FIR filter design methods)
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Size: 1024 |
Author: YUNR
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Description: 用vhdl语言在xilinx上实现的iir滤波器的设计(Design of IIR filter implemented on Xilinx in VHDL language)
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Size: 775168 |
Author: cc12
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Description: 使用matlab实现设计IIR滤波器：冲激不变法、双线性变换法
设计一个巴特沃思低通滤波器，其技术指标为：3dB带宽为，阻带截止频率为，阻带衰减大于30dB，采样间隔T=10us。
1）用冲激响应不变法
2）用双线性变换法设计
3）用FIR的矩形窗函数设计
二、用双线性变换法分别设计低通、高通、带通、带阻四种滤波器。模拟滤波器带原型分别为切比雪夫滤波器和椭圆滤波器，采样率Fs=20kHz，指标如下：
1）低通：通带0～4 kHz，阻带5 kHz，通带衰减Rp=0.5dB，阻带衰减As=10dB。
2）高通：阻带0～4 kHz，通带5 kHz，通带衰减Rp=0.5dB，阻带衰减As=10dB。
3）带通：通带2kHz～4 kHz，阻带0～1.5 kHz，4.5kHz以上，通带衰减Rp=0.5dB，阻带衰减As=10dB。
4）带阻：阻带2kHz～4 kHz，通带0～1.5 kHz，4.5kHz以上，通带衰减Rp=0.5dB，阻带衰减As=10dB。(Using MATLAB to implement the design of IIR filters: impulse invariant and bilinear transformation)
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Size: 1024 |
Author: edogawachihilo
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Description: 实现用matlab进行IIR滤波器的模拟，成功实现功能，仅供参考(Matlab IIR filter simulation, successful implementation of the function, for reference only.)
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Size: 16384 |
Author: 00007 |
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Description: matlab信号处理详解，数字信号处理与IIR滤波器用MATLAB语言实现等等(MATLAB signal processing)
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Size: 9784320 |
Author: BOSS_ming |
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Description: matlab实现带通滤波，傅里叶变换，得到频域信号，带桶处理(Achieve band pass filter, Fourier transform, get frequency domain signal, with bucket processing.)
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Size: 7168 |
Author: darefbrencw |
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Description: 模拟低通滤波器的巴特沃思逼近、切比雪夫型逼近方法；从模拟低通到模拟高通、带通、带阻的频率变换法；从模拟滤波器到数字滤波器的脉冲响应不变法、双线性变换法的基本概念、基本理论和基本方法。
巴特沃思、切比雪夫模拟低通滤波器的设计方法；利用模拟域频率变换设计模拟高通、带通、带阻滤波器的方法。
利用脉冲响应不变法、双线性变换法设计数字滤波器的基本方法；能熟练设计巴特沃思、切比雪夫低通、带通、高通、带阻数字滤波器。
利用 MATLAB 直接进行各类数字滤波器的设计方法。(The basic concepts, theories and methods of Butterworth approximation and Chebyshev approximation of analog low-pass filter, frequency conversion from analog low-pass to analog high pass, band-pass and band stop, impulse response immutability from analog filter to digital filter and bilinear transformation.
Butterworth and Chebyshev design method of analog low-pass filter; design method of analog high pass, band-pass and band stop filter by using analog domain frequency conversion.
The basic method of designing digital filter by using impulse response invariant method and bilinear transformation method; be able to skillfully design Butterworth, Chebyshev low-pass, band-pass, high pass and band stop digital filter.
Matlab is used to design all kinds of digital filters directly.)
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Size: 8192 |
Author: 无_kkx |
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Description: GUI和FIR滤波器和IIR滤波器的高通、低通、带通滤波器的设计，以及频率响应(GUI and FIR filter and IIR filter high pass, low pass, band-pass filter design, as well as frequency response)
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Size: 1032192 |
Author: woxiaodongema |
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