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LPFquan
- 低通滤波器的实现,内含输入信号的频谱分析,以及滤波输出后的频谱分析。-Low to filter whose input signal, including the spectral analysis and output of the spectral analysis.
sound
- 包含了使用matlab对声音信号进行时域和频域分析,加高斯噪声,并用高通、低通、带通滤波器进行滤波,并显示波形图。-Contains the sound signal using matlab time domain and frequency domain analysis, plus Gaussian noise, and high-pass, low pass, band pass filter to filter and display waveforms.
MATLAB-based-voice-filter
- 基于MATLAB的语音滤波器,通过MATLAB使原来的语音信号分别进行带通,高通,低通滤波,得到更好的效果-MATLAB-based voice filter through the MATLAB so that the original speech signal, respectively, for band-pass, high pass, low pass filter, to get better results
frequency-domain-processing
- 傅立叶变换是数字图像处理中应用最广的一种变换,其中图像增强、图像复原和图像分析与描述等,每一类处理方法都要用到图像变换,尤其是图像的傅立叶变换。常用的图像增强技术可分为基于空域和基于变换域的两类方法。最常用的变换域是频域空间。在频域空间,图像的信息表现为不同频率分量的组合。如果能让某个范围内的分量或某些频率的分量受到抑制而让其他分量不受影响,就可以改变输出图像的频率分布,达到不同的增强目的。 4、高通滤波- 锐化 -Fourier transform in digital
chazhifangzhen
- 对采样率进行变换,通过插入零,然后再做低通滤波,实现采样率的提高-Change the sampling rate by inserting zeros, and then do a low pass filter, the sampling rate to achieve the improvement of
fir-c
- fir低通滤波程序,处用冲激响应函数,实现对信号的低通滤波。-fir low-pass filtering process, at the use of impulse response functions, to achieve a low-pass filtering the signal.
yuyincunchu
- 数字化语音存储与回放系统, 该系统主要由语音收集、增益放大、带通滤波、A\D、D\A转换,51单片机、外部RAM存储、功率放大、扬声器几大部分组成。其中语音收集主要由驻极体话筒实现。然后同过增益放大部分将几十毫安的信号放大至0~8A左右。再利用带通滤波滤去带声外地噪音,并由A\D转换将声音信号转化为数字信号存储在单片机的外部存储器中,可存储时长为4秒左右。再由D\A转换转变为模拟信号后通过带同滤波滤去噪声,功率放大部分放大功率后,最后由扬声器输出。-Digital voice storage a
batewosi
- 该程序主要针对机械等信号进行低通滤波。内包含了一个例子,并对巴特沃思滤波器的主要设计函数进行了详细的说明。-The program mainly for machinery, low-pass filtered signal. Contains an example, and the Butterworth filter is designed primarily for a detailed descr iption of the function.
Wave_Fil_FFT
- MATLAB 信号处理 带通、高通、低通滤波 FFT变换 显示并返回原始波形的FFT结果、滤波后的波形及滤波后的FFT结果-MATLAB signal processing band-pass, high pass, low pass filter FFT of the waveform display and return to the original results of the FFT, the filtered waveform and the filtered results of
youyuanlvbo
- 本压缩包包含了多种滤波,包括;反相输入二阶低通有源滤波器,反相输入一阶低通有源滤波器,四阶有源带通滤波器,同相输入二阶低通有源滤波器等多种。-This archive contains a variety of filtering, including inverting input second-order low-pass active filter, inverting input a first-order low-pass active filter, the fourth-orde
Gaussian_LP
- 数字图像处理,使用高斯滤波进行图像处理,形成低通-Digital image processing, Gaussian filtering for image processing
daitonglvwav
- 利用matlab语言,设计带通滤波器,对声信号进行滤波处理,除去环境噪声。-Using matlab language, designed bandpass filter, the acoustic signal filtering to remove noise.
a-low-pass-filter-for-radio-signal
- 这是一个对语音信号(0.3kHz~3.4kHz)进行低通滤波的C语言程序, 低通滤波的截止频率为800Hz,滤波器采用19点的有限冲击响应FIR滤波。 语音信号的采样频率为8kHz,每个语音样值按16位整型数存放在insp.dat文件中。-This c program is a low pass filter for radio signal 0.3kHz-3.4kHz.The stop frequence of this filter is 800hz.This digtal filter c
FIR
- 通过MATLAB程序设计实现FIR低通滤波器,附加一个交互界面选择不同的窗函数下的低通滤波。-MATLAB programs designed and implemented by FIR low-pass filter, attach an interactive interface to select a different window functions under the low-pass filter.
butter_noise_low
- 巴特沃斯低通滤波器,实现滤波。效果很好!-a butterworth filter
fftnew
- 快速傅里叶变换滤波,适用于低通滤波,高通滤波处理-Fast Fourier transform filter for low pass filtering, high pass filter
dsp_system
- 实现一个数字信号处理的仿真系统 。具有界面并实现以下功能:能产生(得到)并选择各种数字信号(sin、方波、三角波、语音、噪声及其叠加);具有DFT和DCT变换功能,对各种信号进行变换;设计滤波器实现低通、高通、带通滤波,得到输出信号的频域特性和时间序列。-the realization of a digital signal processing simulation system. Requires interface and achieve the following functions:
Bandpass-filter
- 利用凯瑟窗设计带通滤波器,此程序主要是滤波程序-Kaiser window design using band-pass filter, this procedure is to filter the main program
kongjianyu
- 在“空间域”文件中,函数有很多,包括正弦变换均衡,平滑线性滤波,锐化滤波,锐化滤波边缘增强,频域指数高/低通滤波,巴特沃斯滤波,文件名为相应拼音。-In the "space domain" file, functions, there are many, including sine transform equilibrium, smooth linear filter, sharpen filter, sharpen filter strengthen edge, the frequency
slp
- 利用频域变换方法滤波提取呼吸信号:先求解出心电信号的频率,然后低通滤波获得呼吸信号之后,反变换-Frequency-domain transformation method to extract respiration signal filtering