搜索资源列表
pinpu2
- 用Matlab产生正弦波,矩形波,以及白噪声信号,并显示各自时域波形图,FFT实践及频谱分析-Matlab generated by sine wave, square wave, and the white noise signal, and display their time-domain waveform, FFT spectrum analysis of practice and
waveinFFT_demo
- FFT显示的demo,可以用于研究音频频谱的绘制。-FFT display demo, audio spectrum can be used to study the drawing.
wave
- 这是一个对用户音频信号进行FFT频谱分析的程序 他可以显示多种形式的信号EQ PEAK SPECTRUM-This is a user audio signal spectrum analysis program can display multiple forms of the signal EQ The PEAK of SPECTRUM
Matlab_spectrum_analysis
- 基于matlab的信号FFT频谱分析与显示,含matlab代码-matlab spectrum analysis
fft
- labview编的傅立叶变换的vi源码,有需要就下吧,-labview for the Fourier transform of the vi-source, there is a need, are you, huh, huh
ding
- 选取windows系统自带的ding.wav信号作为分析对象,在Matlab软件平台下,利用函数wavread对音频信号进行采样,记住采样频率和采样点数,听一下原始声音sound(y, fs, bits)。 (2)音频信号的频谱分析,先画出音频信号的时域波形;然后对音频号进行快速傅里叶变换fft(y,N),N取32768,画出信号的频谱特性,加深对频谱特性的理解。 (3)根据频谱,反演时域特性,画出时域波形。寻找幅值最大的两个频率,此频率除以fft点数在乘以采样频率就是信号的主频,即可合
fft
- 快速傅里叶变换的matlab实现,用于对信号进行频谱分析-Fast Fourier transform matlab implementation for spectral analysis of signals
test
- 对语音信号加窗(汉明窗)并进行短时傅里叶变换,观察其频谱图,同时进行相位幅值分析-fft
zfft
- FFT+FT连续细化傅立叶变换分析校正法 还请各位多多指教。 参考自丁康老师《离散频谱校正技术》 -FFT+ FT for Fourier transform analysis of detailed correction method is also called upon the exhibitions. Ding Kang reference from the teacher, " Discrete Spectrum Correction"
emd_example
- 关于emd方法的应用,绘制功率谱、FFT频谱、Hibert谱、边际谱等-On emd method, draw the power spectrum, FFT Spectrum in Hilbert spectrum and marginal spectrum
avrfft+lcd12864
- 在proteus下仿真的FFT试验!!!所得出的频谱波形在LCD12864 上显示-Under the simulation in Proteus FFT test! ! ! The resulting spectrum waveform shown in LCD12864
FFTNios-II
- VHDL NIOS-II FFT 频谱分析仪-this is a anloay by FPGA
fft-dsp
- 用DSP汇编语言及C语言进行编程,实现FFT运算、对输入信号进行频谱分析。文章后边附有源程序及cmd代码-With DSP assembly language and C language programming, FFT computation, the input signal spectrum analysis. Article with the source code and cmd code behind
ZoomFFT
- 频谱细化分析MATLAB程序,ZOOM FFT分析,频谱放大功能- Zoom-FFT
filter
- 理论子波ricker子波作震源,应用fft对其做频谱分析成图,然后通过各种滤波方式(矩形门,梯形门等)滤波,再做频谱分析然后返回时间域成图-Ricker wavelet theory for the source wavelet, application to do fft spectrum analyzer on its map, and then filtering through a variety of methods (rectangular door, trapezoidal doo
pinpufx
- 频谱分析软件:利用VC6.0和matlab两个软件联合开发的,运行起来很不错的,是Vc调用matcom里面的fft函数来实现了,速度很快,精度很高。-Spectrum analysis software: Using VC6.0 and matlab software jointly developed by two, up and running very good, is inside Matcom Vc call fft function to achieve a fast, high p
signal_analyzer
- 最近看到有人提问怎样用FFT实现频谱分析,我认为能够进行到频谱分析的人,对于系统研究的深度基本上已经相当不错了。本人今天做了一个例程,发给大家参考一下。 历程主要内容(signal_analyzer.rar)如下: test1.txt 第一列为时间t,0.001s为步长;第二列为系统的输入信号;第三列为系统的输出信号。 signal_analyzer.m首先将test1.txt 的数据读入workspace,然后进行FFT,分析出两信号的频率,输出对于输入的幅值衰减(db),输出对输
specdisp
- 自己写的利用FFT变换实现的声音频谱分析函数,支持多声道wav,可以对FFT变换点数、时间分辨率、频率分辨率、显示方式进行定制-Wrote it myself using FFT transform the voice spectrum analysis function, support multi-channel wav, can transform FFT points, time resolution, frequency resolution, and display customiz
Digital_Signal_Processing
- matlab下数字信号处理实现例程,包括FFT进行信号频谱分析,窗函数法设计FIR滤波器,IIR滤波器的实现等-matlab under the realization of digital signal processing routines, including the FFT signal spectral analysis, the window function design FIR filters, IIR filters to achieve such