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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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设计一个数字FIR低通滤波器，其技术指标如下：
Wp=0.2pi Rp=0.25Db
Ws=0.3pi As=50db
试写出MATLAB设计的源程序。-Design a digital FIR low-pass filter, the technical indicators are as follows: Wp = 0.2pi Rp = 0.25Db Ws = 0.3pi As = 50db test designed MATLAB source code to write.
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采用频率取样设计法设计FIR数字低通滤波器，实现时还有具体的指标要求-Design using the design of frequency sampling FIR digital low-pass filter, to achieve specific targets when there are requirements
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FIR 及 IIR低通滤波器的设计以及
正弦信号滤波前后的频谱分析
（不同窗函数截断）-FIR and IIR filter design and low-pass filter before and after sinusoidal signal spectrum analysis (different window function truncated)
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设计一个数字FIR低通滤波器，其技术指标如下：
Wp=0.2pi Rp=0.25Db
Ws=0.3pi As=50db
试写出MATLAB设计的源程序
-Design a digital FIR low-pass filter, the technical indicators are as follows:
Wp = 0.2pi Rp = 0.25Db
Ws = 0.3pi As = 50db
Write down the design sourc
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这是一个FIR低通滤波器的设计matlab程序，可以实现低通滤波-This is a FIR low-pass filter design matlab program, you can achieve a low-pass filter
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一个简单的FIR低通滤波器程序，用Matlab编写的，阶数可以自己定。-A a simple FIR low-pass filter program, written in Matlab, the order itself.
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关于FIR低通滤波器的C语言程序设计以及MATLAB程序设计，仿真验证通过-About the C Programming Language FIR low-pass filter MATLAB programming, simulation validation by
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基于不同window的LPFdesign- MATLAB programme for window-based FIR low-pass filter design
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基于Matlab开发环境的FIR数字低通滤波器设计的源代码。-Based on the development environment of Matlab FIR digital low-pass filter design source code.
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matlab 读取一段wav格式文件，进行试听，频率检测和语音信号的分析，再进行噪声处理，IIR低通滤波，IIR高通滤波，FIR低通滤波，FIR高通滤波，最后输出处理过的语音信号并试听处理过的语音文件。-Matlab read a wav format file, audition, frequency detection and analysis of speech signals, and noise, IIR low pass filter, IIR high pass filter, F
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matlab实现对语音信号的处理，从前期信号的采集到后面的FIR低通滤波，相应的画出了各阶段的频谱。-Matlab to achieve the processing of speech signals, the early signal acquisition to the back of the FIR low-pass filter, the corresponding picture of the various stages of the spectrum.
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本程序详细介绍了如何设计基于窗函数的低通数字滤波器(This procedure describes in detail how to design a low-pass digital filter based on window function)
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FIR低通数字滤波器的设计，利用matlab编程语言利用FIR1函数设计低通滤波器。(Design of FIR Low Pass Digital Filter)
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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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