搜索资源列表
Spectrum-Analyzer
- 这是一个简单的应用,建立了解的Windows音频波形API的基本知识,并得到快速傅立叶变换(FFT)基本掌握。应用程序的特点是:双缓冲图形,采样音频信号源,选择录音源,使用调音台,计算FFT频谱阵列,并绘制采样数据。-This is a simple application built to understand the basics of the Windows Audio WAVE API, and to get a basic grasp on Fast Fourier Transfor
Using-DFT-(-FFT-)
- 用DFT(FFT)对时域离散信号进行频谱分析-Time-domain discrete signal spectrum analysis using the DFT (FFT)
hibert
- 该程序绘制了仿真信号的FFT频谱和功率谱,并调用emd分析方法,绘制了emd分解结果,以及瞬时包络和瞬时频率图,还有Hilbert-Huang谱和Hilbert边际谱。-Program to draw the FFT spectrum of simulation signal and power spectrum call the emd analysis method, drawn emd decomposition, as well as instantaneous envelope and
ldd
- fft 频谱分析仪的设计方法 包含设计方案 实现方法 系统框图 基本原理等 -the design of fft spectrum analysis
ZOOM-FFT
- 频谱细化,对频谱进行高精度细化,细化两根谱线之间的间隔。-zoom FFT Translation
fft
- 对转子振动信号进行频谱分析,可以有效地反映出振动的主频以及由于故障导致的多倍频-spectrum analysis of vibration signal
wavelet--fft
- 实现频谱分析。能显示信号与频谱图。主要是对正弦信号和三角波进行一维FFT变换,得到频谱图。-To achieve spectral analysis. Shows the signal with the frequency spectrum. Sinusoidal signal and triangular wave one-dimensional FFT algorithm to obtain the frequency spectrum.
FFT
- 求取正弦信号的幅频谱图、均方根谱、功率谱、对数谱等-To strike the amplitude of the sinusoidal signal frequency spectrum, the rms spectrum, power spectrum, the number of spectral
filter_fft
- 仿真不同频率的组合信号通过滤波器后作FFT,得到滤波后信号的fft频谱及fft求模,并找出最大值及索引,非常实用。-The combination of simulation of different frequency signal through a filter made after FFT, the filtered signal the fft spectrum and fft modulo, and find out the maximum and the index is very
wave_filter
- 基于matlab 设计的滤波器程序,很实用。内容包括 FIR数字滤波器的设计、IIR数字滤波器的设计、FFT频谱分析及应用等。-wave filter of matlab
FFT_spectrun_aly
- MATLAB关于FFT频谱分析的程序,以余弦信号和矩形波为例做了详细说明,并给出了在噪声时的情况。-MATLAB on the FFT spectral analysis procedures, the cosine signal and the rectangular wave, for example to do a detailed descr iption is given in the case when the noise.
Spectrum-display
- FFT频谱显示通过4个按键可选择64分频和16分频4种显示模式-FFT spectrum display through four key selectable divide by 64 and divided by 16 four display modes
fft
- 实现图像的傅里叶变换和频谱图…………实现图像的傅里叶变换和频谱图-The Fourier transform of the image and frequency spectrum
fft
- 频谱分析fft和ifft,有数据库连接,波形显示模块-Spectrum analysis fft and ifft, database connections, waveform display module
fft变换的加窗和修正算法
- 通过加窗函数减少频谱的泄露,及通过修正方法校正其结果的matlab程序
FFT
- 对脑电信号的频谱分析,分析脑电信号的功率谱特征-The spectral analysis of the EEG power spectrum analysis of EEG
CPFSK-demode-DSP
- 简单介绍了CPFSK的基本原理,对其调制和解调算法进行了讨论.通过对过零检测、FFT频谱幅值 法和非相干解调算法的比较,可以看出采用非相干解调方法具有较好的误码特性-A brief introduction to the basic principle of CPFSK modulation and demodulation algorithm discussed. Can be seen that the use of non-coherent demodulation method ha
FFT
- 快速傅氏变换的简单实现,可进行快速频谱分析-Simple implementation of the fast Fourier transform, fast spectrum analysis
16-divided-by-FFT-
- 采用快速傅立叶变换(FFT)离散傅里叶变换的一种快速算法,来实现音频频谱变化,在32*64双色点阵上显示音频频谱 16分频-A discrete Fourier transform using a fast Fourier transform (FFT) a fast algorithm to achieve changes in the audio spectrum, the audio spectrum 16 is divided in a 32* 64-color dot matrix
FFtMatlab
- fft频谱测试程序,助于检测用,助于学习,用于工程-ftt can help study