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low_pass
- 设计一个低通滤波系统,任意输入三个频率使输入的信号中留下频率最低的 一个分量。-Designed a low-pass filter system, indiscriminate importation of the three input signal frequency so that left one of the lowest frequency component.
Matlab
- 选择三个不同频段的信号对其进行频谱分析,根据信号的频谱特征设计三个不同的数字滤波器,将三路信号合成一路信号,分析合成信号的时域和频域特点,然后将合成信号分别通过设计好的三个数字滤波器,分离出原来的三路信号,分析得到的三路信号的时域波形和频谱,与原始信号进行比较,说明频分复用的特点。-Choice of three different signal-band spectral analysis carried out, according to the characteristics of the
Doc7
- 设计滤波器的各种窗函数的源代码,非常有用,和大家分享,快来下载学习哦-A variety of window functions designed to filter the source code, very useful to share, come to learn oh download!!
wgn
- 给需要的朋友参考 主要是滤波器的设计 大家可以下下来 作为设计的基础参考-Reference to a friend in need is mainly designed to filter down we can make a basis for the design reference
daitong
- 这是课设时所用的带通滤波器的原代码 希望对各位有所帮助-This is a course designed to use when the original band-pass filter you want to help code
BasedonMATLABspeechsignalspectrumanalysisandfilter
- 录制一段个人自己的语音信号,并对录制的信号进行采样;画出采样后语音信号的时域波形和频谱图;给定滤波器的性能指标,采用窗函数法和双线性变换设计滤波器,并画出滤波器的频率响应;然后用自己设计的滤波器对采集的信号进行滤波,画出滤波后信号的时域波形和频谱,并对滤波前后的信号进行对比,分析信号的变化;回放语音信号-The individual' s own record a voice signal, and the recorded signal is sampled draw sampled
Untitled
- 针对一个匀速直线运动目标的跟踪设计最小二乘滤波器,了解跟踪滤波的基本方法以及参数估计方法的应用。-For a uniform linear least squares moving target tracking filter designed to learn the basic methods of tracking filter and parameter estimation method applied.
The-design-of-Labview-filter
- 本文主要介绍了有限脉冲响应数字滤波器(FIR)和无限脉冲响应数字滤波器(IIR)的原理与程序的设计,同时利用LABVIEW软件将不同滤波器在不同参数下的幅频和相频特性曲线进行直观的显示,从而使滤波器的设计简单易懂。通过比较不同方法实现的滤波器幅频和相频特性曲线,得出了各个滤波器滤波的优缺点。-This paper describes the finite impulse response digital filter (FIR) and infinite impulse response dig
zero-pole-filter
- 使用零极点配置法设计的梳状滤波器 数字陷波器的vi,已经设计好了前后面板,打开即可使用,适合信号分析初学者学习-Using zero-pole placement method digital comb filter design notch filter vi, has been designed with front and rear panels, open to use, suitable for beginners to learn signal analysis
chengxu
- 低通滤波器的设计,界面的设计,波形叠加,自己亲自设计-Low-pass filter design, interface design, waveform superimposed own personally designed
FIR_programme
- 利用FIR滤波原理,设计了一个带通型的FIR滤波器,用于实现语音去噪。-According to the principles of FIR filtering,a type of bandpass FIR filter has been designed to achieve the goal of speech enhancement
Wiener-filter-in-speech-enhance
- 这是我的adsp的project 维纳滤波在语音增强上的应用,是基于维纳滤波的语音增强的matlab实现,其中包括matlab源码,word文档,以及PPT。并设计了简单的 GUI 对语音信号进行加噪处理,然后再其进行维纳滤波。通过gui可以实时改变加入噪声的参数和维纳滤波器的参数,进行分析。并 有频谱显示和语谱对比显示。-This is my project adsp the Wiener filter applied on speech enhancement is ba
matlab
- 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,
ls_inv_filter
- 子波整形反褶积是通过所设计的整形滤波器对地震子波,使其成为所期望的形状。-Shaping wavelet deconvolution by shaping filter designed for seismic waves, making it the desired shape.
filterdesignedgaosi
- 针对FIR滤波器原理,设计滤波器 专门针对进行心电信号的去噪。-For FIR filter principle, designed specifically for filter ECG signals denoising.
DSP281x_common
- This chapter looks into one of the most common applications for Digital Signal Processors: “Digital Filters”. As we have seen before, there are two basic classes of computing: “off – line” and “real – time”. This is also valid for digital signal
BWfilter
- 设计满足下列条件的模拟BW型高通滤波器 fp 5kHz, fs 1kHz, Ap 1dB, As 40dB。-Designed to meet the following conditions simulate BW-type high-pass filter fp 5kHz, fs 1kHz, Ap 1dB, As 40dB.
chenxu
- (1)录制一段语音信号,完成对信号的采样,画出信号的时域波形和频谱图,确定信号的频谱范围; (2)给信号叠加噪声(噪声类型分为如下几种:a白噪声;b单频噪色(正弦干扰);c多频噪声(多正弦干扰);d其它干扰。),画出受噪声干扰的信号时域波形和频谱图; (3)采用窗函数法设计FIR低通滤波器,画出滤波器的频响特性图; (4)用所设计的滤波器对受噪声影响的信号进行滤波,画出滤波后语音信号的时域波形图和频谱图; (5)对滤波前后的信号进行对比,分析信号的变化;回放语音信号,并与原始语音信号对比
限幅滤波器
- 利用Labview设计的限幅滤波器,适用于信号的处理与分析(Limited amplitude filter designed by Labview , Application of signal processing and analysis)