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Description: 运用firls设计的滤波器进行滤波 运用remez设计的滤波器进行滤波-The use of the filter design firls filter designed to filter the use of Remez filter
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Author: xuyan |
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Description: 设计满足下列指标的等波纹线性相位FIR低通滤波器
Wp=0.3Π,Ss=0.01,Ws=0.4Π,Sp=0.0599
-Designed to meet the following indicators, such as ripple linear phase FIR low-pass filter Wp = 0.3Π, Ss = 0.01, Ws = 0.4Π, Sp = 0.0599
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Author: 陆小新 |
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Description: Useing the MATLAB command remez to obtain a low pass filter z(n) with a cutof frequency
of 40 Hz at a sample rate of 1000 Hz.
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Author: shrok |
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Description: remez函数设计FIR低通滤波器
设计滤波器，使逼近低通滤波特性 。
要求通带波纹 ，阻带衰减 ，并用最小阶数实现。绘出设计的FIR数字滤波幅频特性曲线。
-remez function design FIR filter low-pass filter designed to approximate the low-pass filter characteristics. Requirements of passband ripple, stopband attenuation, and achieve a minimum order. Mapped the FIR digital filter design of amplitude-frequency characteristic curve.
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Author: 刘卫菠 |
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Description: 压缩包中包含两个matlab文件：
remez_frf.m 为使用remez算法设计旁瓣1/f衰减滤波器程序；
myfrf.m 为其中使用到的惩罚函数；
frf的意思是频率响应函数。-Compression matlab package contains two files: remez_frf.m algorithm designed for the use of remez sidelobe 1/f attenuation filter procedures myfrf.m use for which the penalty function frf mean frequency response function.
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Size: 2048 |
Author: suzhou |
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Description: This chapter treats the design of linear-phase FIR filters. The assignments are divided in two parts, the first part focuses on the design of FIR filters using the window design method while the second part focuses on design of equiripple FIR filters using the Parks-McClellan algorithm, i.e. the remez algorithm in Matlab.
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Author: yasir arfat |
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Description: matlab设计半带滤波器程序：
1、用remez算法直接设计半带滤波器并；
2、先用remez算法设计单带滤波器，然后转换为半带滤波器。
有助于加深理解半带滤波器的设计。-matlab half-band filter design process: one, with remez algorithm and direct the design half-band filter 2, first remez algorithm design a single-band filters, and then converted to half-band filter. Helps deepen the understanding of half-band filter design.
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Author: suzhou |
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Description: 通信基本仿真2适合初学者学习的代码,包括了调制,分析等等:使用IIR filter的经典模拟滤波器（巴特沃斯Butterworth,切比雪夫Chebyshev）,Bartlett周期图谱，加窗Bartlett周期图谱，基带波形仿真，IIR的贝塞尔滤波器Bessel Filter，二进制对称信道Binary Symmetric Channel仿真，比特序列，Remez滤波，BPSK复合基带信号仿真，载波生成器，椭圆滤波器Elliptical Filter，FFT,FSK调制及解调，高斯噪声Gaussian仿真，直方图，理想AM，线性PLL，BP混淆器，理想MPSK，正交振幅调变（QAM，Quadrature Amplitude Modulation），正交相移键控(QPSK)，Rayleigh Noise瑞利噪声，Yule-Walker Psd功率谱密度函数。-matlab simulate2
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Author: longliu |
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Description: 通信基本仿真3,适合初学者学习的代码,包括了调制,分析等等:使用IIR filter的经典模拟滤波器（巴特沃斯Butterworth,切比雪夫Chebyshev）,Bartlett周期图谱，加窗Bartlett周期图谱，基带波形仿真，IIR的贝塞尔滤波器Bessel Filter，二进制对称信道Binary Symmetric Channel仿真，比特序列，Remez滤波，BPSK复合基带信号仿真，载波生成器，椭圆滤波器Elliptical Filter，FFT,FSK调制及解调，高斯噪声Gaussian仿真，直方图，理想AM，线性PLL，BP混淆器，理想MPSK，正交振幅调变（QAM，Quadrature Amplitude Modulation），正交相移键控(QPSK)，Rayleigh Noise瑞利噪声，Yule-Walker Psd功率谱密度函数。-matlab simulte
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Size: 1659904 |
Author: longliu |
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Description: FIR DF 等波纹切比雪夫逼近 Remez算法 交错定理 MATLAB仿真-FIR DF；equivalent ripple Chebyshev approxiIllation；Remez algorithm；intervning theorem MATLAB simulation
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Size: 335872 |
Author: shearal lin |
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Description: 通过用remez算法设计的滤波器，此matlab程序可以直接运行-Remez algorithm by using the filter, this procedure can run matlab
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Author: 许亮 |
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Description: c remez algorthim, to obtain filter coefficient same as firpm matlab funtion
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Size: 24576 |
Author: sam |
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Description: （1）认真复习第七章中用窗函数法和等波纹最佳逼近法设计FIR数字滤波器的原理；
（2）调用信号产生函数xtg产生具有加性噪声的信号xt，并自动显示xt及其频谱，如图10.5.1所示；
图10.5.1 具有加性噪声的信号x(t)及其频谱如图
（3）请设计低通滤波器，从高频噪声中提取xt中的单频调幅信号，要求信号幅频失真小于0.1dB，将噪声频谱衰减60dB。先观察xt的频谱，确定滤波器指标参数。
（4）根据滤波器指标选择合适的窗函数，计算窗函数的长度N，调用MATLAB函数fir1设计一个FIR低通滤波器。并编写程序，调用MATLAB快速卷积函数fftfilt实现对xt的滤波。绘图显示滤波器的频响特性曲线、滤波器输出信号的幅频特性图和时域波形图。
（4）重复（3），滤波器指标不变，但改用等波纹最佳逼近法，调用MATLAB函数remezord和remez设计FIR数字滤波器。并比较两种设计方法设计的滤波器阶数。-failed to translate
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Author: 李海龙 |
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Description: 利用MATLAB语言，采用Remez算法设计三个不同的低通滤波器，程序附有说明，能够很容易看懂。-Using MATLAB, using Remez algorithm design of three different low-pass filter, the program with instructions, can be easily read.
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Author: 施蕾 |
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Description: 雷米兹交替算法下的语音信号处理Matlab程序-Remez FIR filter
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Author: 徐方鑫 |
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Description: 用MATLAB中remez函数设计一带通FIR滤波器。打印出单位脉冲响应 ，并画出幅频响应。-Design using MATLAB function in the vicinity of remez pass FIR filter. Print out the unit impulse response and frequency response plot.
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Size: 2048 |
Author: 董晓曦 |
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Description: remez code with matlab.easy to use
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Size: 24576 |
Author: mj |
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Description:
基于MATLAB的仿真环境下的各种实现低通滤波器的方案！我们可以在这个基础上好好的进行研究！-Design FIR filter with firls and remez
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Author: 刘耀峰 |
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Description: 一：多项式插值的Runge现象
二：Remez算法
三：Schmidt正交-Introduction polynomial interpolation Runge phenomenon, Remez algorithm, Schmidt orthogonal matlab algorithm
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Author: 裴可锋 |
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Description: 信道化发射信号仿真实验，2. 设计滤波器
应用Parks-McClellan optimal FIR filter order estimation设计滤波器，
参数：
内插I=16
内插前采样率50Hz
滤波器通带截止频率16Hz, 阻带起始频率25Hz；通带和阻带期望的幅度分别为1和0，起伏为1dB和40dB；
利用Parks-McClellan方法得到的频率向量fo，幅度向量ao和权值w设计最终使用的滤波器系数（可以使用remez方法，得到指定阶数的滤波器系数）。
显然，滤波器系数个数应为16的整数倍(Emulation experiment of channelized emission signal, 2. design filter
Using Parks-McClellan optimal FIR filter order estimation to design a filter,
Parameters:
Interpolating I=16
Pre interpolation rate 50Hz
The pass band cut-off frequency is 16Hz, and the band initiation frequency is 25Hz; the expected amplitude of the passband and stopband is 1 and 0, respectively, which fluctuate to 1dB and 40dB.
The frequency coefficients fo, amplitude vector AO and weight W obtained by the Parks-McClellan method are used to design the final filter coefficients (Remez coefficients can be used to get the filter coefficients of the specified order).
Obviously, the number of filter coefficients should be an integer multiple of 16.)
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Author: jiaxu1996 |
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