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压缩文件夹中包含二十几个MATLAB编写的仿真程序,包括GMSK信号的调制仿真,PN码生成,FIR滤波器的设计,GOLD序列的生成等等,另外还有许多经典的滤波器变换的小程序-compressed file folder containing 20 prepared by several MATLAB simulation program, including GMSK modulation signal simulation, PN code generation, FIR filter des
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Practical FIR Filter Design in MATLAB
Revision 1.1
Ricardo A. Losada
The MathWorks, Inc.
3 Apple Hill Dr. Natick, MA 01760, USA
January 12, 2004
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用窗函数法hamming设计的FIR数字低通滤波器,能够实现心电信号中随机噪声的去除,Hamming window function method with the design of FIR digital low-pass filter, ECG can be achieved in the removal of random noise
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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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先采集一单声道音频信号(.wav)并用WAVREAD文件采样读取,并对其进行频谱分析。分别用窗函数法和双线性变换法设计低通、高通、带通三种FIR滤波器和IIR滤波器。用M文件使信号通过滤波器并对输出信号进行时域和频域分析。-First acquisition of a mono audio signal (. Wav) files with sampling WAVREAD read, and their spectral analysis. Window function, respectiv
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FIR滤波器设计中的凯撒窗函数设计,最后有对应系数产生-FIR filter design in the design of the Kaiser window function, and finally there are the corresponding coefficients have
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This tutorial white-paper illustrates practical aspects of FIR
filter design and fixed-point implementation along with the
algorithms available in the Filter Design Toolbox and the
Signal Processing Toolbox for this purpose.-This tutorial white
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The Window Design Method
The basic idea behind the design of linear-phase FIR filters using the window
method is to choose a proper ideal frequency-selective filter [which always has
a noncausal, infinite duration impulse response] and then tru
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应用matlab 软件设计了下变频器中的CIC、HB、FIR滤波器等核心模块,并将各模块融为一体从软件实现的角度完成了对系统的搭建和功能仿真。-About such key algorithms as CIC, HB, FIR of each module in down- conversion, discussion, abstraction and summarization are given in this paper. Using the MATLAB software, we des
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FIR 数字滤波器设计 matlab 实践指南-Practical FIR Filter Design in MATLABR
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FIR数字滤波器的设计,利用各种窗函数设计各种类型的数字滤波器。-FIR digital filter design, using a variety of window function design of various types of digital filters.
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本文介绍了数字信号处理中各种算法基本原理,包括Z 变换、DFT 变换及其快速
算法FFT 等信号变换算法和包括IIR 与FIR 数字滤波器的设计与实现,详细论述了利用
MATLAB 软件对信号变换和设计数字滤波器的原理﹑ 步骤和实现方法,并给出了基于
MATLAB 的模拟与仿真。文章最后给出了实验结果,并就其结果做了进一步的解释和说明。
关键词:Z 变换,离散傅立叶变换DFT,数字滤波器,系统结构仿真
-This article describes a variety of
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FIR滤波器的一种设计实现,给出了详细的源代码,和原理。-FIR filter design and implementation of a given source code in detail, and principles.
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基于CSD编码的FIR数字滤波器优化设计(使用MATLAB程序)-CSD coding based FIR digital filter design (using the MATLAB program)
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主要介绍了在Matlab中怎样仿真FIR滤波器组的设计-Describes how the simulation in Matlab, the design of FIR filter banks
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FIR滤波器的频域采样源程序.m文件和频域采样后的理论图形。
附:IIR滤波器的相关设计源程序,可参考学习,并且,各程序里都有详细说明-FIR filter in the frequency domain sampling source. M files and frequency domain sampling theory of graphics.
Attachment: IIR filter design source code, refer to the study, and e
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Design FIR filter in Matlab
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1. 给一段原始的语音信号(可以是自己录制的一段语音),加上一频率为3.8kHz的高频余弦噪声和频率为3.6kHz的高频正弦噪声(幅度自己可以选择),用窗函数设计一滤波器(要求最小阻带衰减为50dB)对加噪后的语音信号进行滤波,画出滤波器的频率响应曲线,画出滤波前后的时域图和频谱图。
需要用到的函数:
fir1 用窗函数设计FIR滤波器的函数
2. 用GUI设计一界面(如图1所示)完成如下功能:
1) 输入一语音信号,画出语音信号的时域图和频谱图;
2) 对语音信号加噪处理,
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用vhdl语言在xilinx上用ip核实现的fir滤波器的设计(Design of FIR filter implemented with IP kernel on Xilinx in VHDL language)
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2 d fir filter design in matlab
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