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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
fft
- 对变形的条纹图像进行傅立叶变换得到二维频谱图并提取基频-Fourier transform in deformation stripes image two-dimensional spectrum and extract the fundamental frequency
fft
- 对一维信号采样并进行傅里叶变换画出频谱图。-Sampling and Fourier transform draw spectrum diagram of one-dimensional signal.
FFT
- 应用MATLAB对加速度时程进行快速傅立叶变换,并绘加速度时程图和频谱图.-FFT and plot picture
matlAB-ge-zhong-bian-huan
- 基于matlAB的切比雪夫、FFT频谱分析、FFT线性卷积、巴特沃斯程序代码,自己编写的-Based on The Chebychev matlAB the FFT spectrum analysis, FFT linear convolution code Butterworth own written
fft
- 求一个信号的频谱分布,并求某一帧的频谱图。-Seeking a signal of the spectrum distribution, and the frequency spectrum diagram of the requirements of a certain frame.
FFT
- 是信号与系统课程的课程设计,旨在熟悉FFT 的计算过程,结合DFT 物理意义和实验结果加深 对傅立叶变换的理解。文章首先用MATLAB 对一个简单信号进行FFT 仿真,得出频谱图;其次完成了FFT 的C 语言实现,结合MATLAB 作图及数据处理功能得出了C 实现下的FFT 结果;最后,讨论分析实验结果。-Curriculum design, signals and systems courses designed to familiar FFT calculation process, t
fft
- 数字信号处理中关于FFT变换的频谱的描述,及其对频谱的分析,该程序不是直接调用MATLAB中的FFT变换的函数,对整个过程给出了详细的编码-Digital signal processing on the spectrum of the FFT transform in the descr iption, and its spectrum analysis, the program is not called directly the FFT transform function in MATL
FFT-CPP
- 可读取一个二进制文件(如去掉头部的wav文件),将得到的数值进行FFT求出离散频谱值并保存到一个文件中。-This will process the data read from a file by FFT computing, and then save the result to a new file.
fft
- 由32位MCU为主控制器,通过AD转换,对音频信号进行采样,把连续信号离散化,然后通过FFT快速傅氏变换运算,在时域和频域对音频信号各个频率分量以及功率等指标进行分析和处理,然后通过高分辨率的LCD对信号的频谱进行显示。该系统能够精确测量的音频信号频率范围为20Hz-10KHz,其幅度范围为5mVpp-5Vpp,分辨力分为20Hz和100Hz两档。测量功率精确度高达1 ,并且能够准确的测量周期信号的周期,-Main controller by a 32-bit MCU, via the AD c
coe_spwm6
- 实现spwm的fft频谱分析,数据计算的范例程式。-Achieve spwm FFT spectrum analysis, data sample program.