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). Platform: |
Size: 46080 |
Author:殷开 |
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Description: IIR-butter低通滤波器设计，数字信号处理专业学生的课程设计。-IIR-butter low-pass filter design, digital signal processing professional students in curriculum design. Platform: |
Size: 30720 |
Author:qjyong |
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Description: 用汇编设计的四阶椭圆低通IIR滤波器程序-design with a compilation of four order elliptic low pass filter procedures IIR Platform: |
Size: 1024 |
Author:chenxuesong |
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Description: 按照给定指标采用模拟低通滤波器（巴特沃思低通）去逼近理想模拟低通滤波器 ，然后通过双线性变换法对模拟滤波器进行数字化，得到数字滤波器 。-Indicators in accordance with a given analog low-pass filter (Butterworth low-pass) to approximate the ideal analog low-pass filter, and then through the bilinear transformation method of digitizing analog filters, the digital filter. Platform: |
Size: 2048 |
Author:李文嘉 |
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Description: 基于DSP5416的IIR应用程序！主要功能低通滤波！-DSP5416 the IIR-based applications! The main functions of low pass filter! Platform: |
Size: 49152 |
Author:s20070384 |
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Description: 信号与系统基础知识包括连续信号与模型、离散信号与模型；常用信号变换包括Z变换、Chirp Z变换、FFT变换、DCT变换和Hilbert变换等；离散系统结构包括IIR、fir和Lattice结构；IIR滤波器设计包括模拟和数字低通、高-Basic knowledge of signals and systems, including continuous signal with the model, discrete signals and model common signal, including Z Transform Transform, Chirp Z Transform, FFT transform, DCT transform and Hilbert transform, etc. discrete system architecture including IIR, fir and Lattice structure IIR filter design, including analog and digital low-pass, high- Platform: |
Size: 3072 |
Author:东 |
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Description: 利用MATLAB开发软件进行编程，实现了数字IIR低通滤波器的功能，程序直接可以运行！-Use MATLAB to develop software for programming, implementation of digital IIR low-pass filter function, the program can run directly! Platform: |
Size: 35840 |
Author:huangshuangping |
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Description: 自己做的：
（一）用双线性变换法设计并用实验系统实现一个三阶的契比雪夫Ⅰ型低通数字滤波器，其采样频率Fs =8KHz，1DB通带边界频率为fp=2KHz。
（二）用双线性变换法设计并用实验系统实现一个三阶的契比雪夫Ⅱ型高通数字滤波器，其采样频率Fs =16KHz，阻带边界频率为fst =4KHz，As=20dB。
-(A) design using the bilinear transformation method and the experimental system of a third-order Chebyshev low-pass type Ⅰ digital filter, the sampling frequency Fs = 8KHz, 1DB passband boundary frequency is fp = 2KHz. (B) Bilinear transformation method used to design and use of the experimental system of a third-order Chebyshev type Ⅱ high-pass digital filter, the sampling frequency Fs = 16KHz, stopband boundary frequency fst = 4KHz, As = 20dB. Platform: |
Size: 14336 |
Author:lanseiboy |
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Description: IIR 数字滤波器设计：模拟低通巴特沃思滤波器、模拟低通切比雪夫1型滤波器、模拟低通切比雪夫2型滤波器、模拟椭圆低通滤波器-IIR Digital Filter Design: Analog low-pass Butterworth filter, analog low-pass Chebyshev Type 1 filter, analog low-pass Chebyshev type 2 filter, analog elliptical low-pass filter Platform: |
Size: 2048 |
Author:menger |
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Description: IIR滤波器的实现，这是一个低通滤波器,在visualC++6.0上的软件上实现
-The realization of IIR filter, this is a low-pass filter, in visualC++6.0 on the realization of software Platform: |
Size: 3496960 |
Author:林萍 |
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Description: IIR数字滤波器设计:用双线变化法及脉冲响应不变法，用Matlab编程，设计低通、高通、带通IIR数字滤波器-IIR Digital Filter Design: A two-constant changes in law and the impulse response method, using Matlab programming, designing low-pass, high pass, band-pass IIR digital filter Platform: |
Size: 2048 |
Author:田华梅 |
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Description: 实现有限冲激响应滤波器的设计，按照给定指标采用模拟低通滤波器（巴特沃思低通或者切比雪夫低通）去逼近理想模拟低通滤波器 ，然后通过双线性变换法对模拟滤波器进行数字化，得到数字滤波器 。-To achieve the design of finite impulse response filter, according to a given target analog low-pass filter (Butterworth low-pass or a Chebyshev low-pass) to approximate the ideal analog low-pass filter, and then through the bilinear transformation method digitized analog filters, digital filters to be. Platform: |
Size: 1024 |
Author:zhang |
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Description: 这个是对于fir带通滤波器以及iir低通滤波器的一个仿真。程序代码通俗易懂，意义很大。-This is a band-pass filter and the fir iir low-pass filter with a simulation. Program code easy to understand, very meaningful. Platform: |
Size: 1024 |
Author:dreamland |
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Search - iir low pass filter