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在VC下实现FFT对信号滤波
- 在VC下实现FFT对信号滤波,包括实现低通和带通滤波,图形显示,In VC to achieve FFT of signal filtering, including the realization of low-pass and band-pass filtering, graphical display
shiyu
- 振动信号时域处理办法,包括低通、带通滤波和频域积分法-Time-domain vibration signal processing options, including low-pass, band-pass filtering and frequency-domain integral method
dsp
- 输入自己事先录制好的语音信号,该程序实现将语音信号通过FIR低通、高通、带通滤波器后还原出来的语音质量-Enter their own pre-recorded speech signal, the program will realize voice signal through the FIR low-pass, high pass, band-pass filter to restore them after the voice quality
filter
- % y=filter(sig,fmin,fmax) % 对信号进行理想滤波,可完成低通,带通 % sig为被滤波信号 % fmin为下限频率,当fmin为0时为低通滤波器,当fmin>0时,为带通滤波器 % fmax为上限频率,fmax>fmin % fs为信号的采样频率 % y为经过滤波后的信号 -% Y = filter (sig, fmin, fmax)% of the ideal signal filtering, to be com
2009_01_07_SignalProcessDemo
- 输入一个含有噪声的信号,使用fft将频谱显示出来、并可输入低通、高通,带通滤波的数值,结果立刻可现,不过是基于evc的程序,会vc的一看即明白-Enter a noisy signal, using fft the spectrum display, and can enter the low-pass, high pass, band-pass filter value, the results are immediately available, but the procedure is b
DigitalFilter
- 1.题目:数字滤波器的设计与应用 2.设计要求:利用 Matlab 软件,以复合信号分离为例,对 “数字信号处理” 课程中 的谱分析 、数字滤波器设计和信号滤波这三个过程进行了仿真实现,给出了仿真结果。 3.具体步骤: (1)构造原始信号s(t) (2)画出s(t)的频谱 (3)设计ellipse数字滤波器(IIR),包括低通,带通,带通,并显示幅频特性 (4)用得到的滤波器进行滤波,分离出三路信号,观察时域波形和幅频特性 (5)用三路信号s1,
shiyan4
- fir滤波器,一个三频率信号的低通和带通滤波器-fir filter, a three-frequency signal of low pass and band-pass filter
Chapter4
- 用Matlab语言实现带通信号与系统的低通仿真-With the Matlab language and system bandpass low-pass simulation
filter
- 这个程序是MATLAB的程序,它能够实现中心频率是4000Hz的带通滤波器的功能,在4000Hz的信号上面加了噪声信号,通过滤波器滤除杂波-This program is MATLAB program that enables the center frequency is 4000Hz band-pass filter function in the 4000Hz signal above the noise signal added, filtered through the clutter
matlabASKPSKFSK
- 数字信号的传输方式分为基带传输和带通传输,在实际应用中,大多数信道具有带通特性而不能直接传输基带信号。为了使数字信号在带通信道中传输,必须使用数字基带信号对载波进行调制,以使信号与信道的特性相匹配。这种用数字基带信号控制载波,把数字基带信号变换为数字带通信号的过程称为数字调制。通常使用键控法来实现数字调制,比如对载波的振幅、频率和相位进行键控。-Transmission of digital signals into base band transmission and band-pass tr
dspdesign
- 通过Matlab GUI创建用户界面,对语音信号进行频谱分析及滤波,高通、低通、带通等 -Created by Matlab GUI user interface, the speech signal spectrum analysis and filtering, high pass, low pass, band pass, etc.
soundprocessing
- 基于matlab对语音信号进行频谱分析,加入高斯噪声,再使用FIR高通、巴特沃斯低通、FIR带通滤波器进行滤波处理-Spectral analysis of the speech signal, adding Gaussian noise, and then use high-pass, low pass, band pass filter for filtering
filtering-in-frequency-domain
- 信号分析与处理中的频率域数字滤波程序,包括带通和带阻滤波-Signal analysis and processing of frequency-domain digital filtering program
实验七Blackman窗设计一个数字带通
- 数字信号处理实验,用Blackman窗设计一个数字带通滤波器(digital signal produre ,it was use blackman door to design a fillter)
b
- 基于MATLAB GUI 设计的数字信号处理系统,可以实现基本的信号生成,信号分析和信号滤波以及简单的语音信号处理等功能。其中信号生成模块可实现正弦波、方波、三角波、高斯白噪声、chrip信号的生成和叠加;信号分析模块支持基本的傅氏变换下的频域分析功能;信号滤波模块可以实现数字低通、高通、带通、带阻下的切比雪夫、巴特沃思、椭圆滤波器的设计和滤波处理;语音信号处理模块可以实现音频文件的读取、播放、叠加噪声、滤波等功能。(Based on MATLAB GUI design of digital s
带通滤波
- 主要对数据进行一维带通滤波,减少干扰信号(One dimensional band pass filtering is used to reduce the interference signal)
数字信号处理课程设计
- 分别设计了低通、高通、带通滤波器进行声音去噪声分析,并比较去噪效果。所展示效果为主菜单/子菜单。(The low pass, high pass and bandpass filters are designed for noise noise analysis, and the effect of noise removal is compared.The display effect is the main menu / submenu.)
bandp
- 带通滤波器,在信号处理时滤除直流分量和高频噪声,参数设置见程序说明。(The bandpass filter is used to filter the DC component and the high frequency noise in the signal processing. The parameter setting is explained by the program.)
play
- 要求截取一段语音信号,叠加噪声信号,再进行滤波,带通滤波器的设计(GUI界面)(Design of speech signal filtering and bandpass filter)
带通滤波器,滤除通带外噪声,保留信号
- matlab实现带通滤波,根据采集到的时域信号,处理得到频域信号,matlab滤波(matlab Realization of bandpass filtering)