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FFTLS
- 自编FFT谱分析中的栅栏效应演示-self FFT spectrum analysis of the effect of the fence demonstration
fft cepstrum powerspectrum
- 自己编写的，1024点快速傅里叶变换、倒频谱分析、功率谱分析及其Applet曲线显示程序源代码。 说明清楚，附有验证使用的数据文件-themselves prepared in 1024 point fast Fourier transform, cepstrum analysis, power spectrum analysis and Applet curve shows the source code. Make it clear with the use of the test data
用matlab中的FFT函数实现了正弦信号
- 用matlab中的FFT函数实现了正弦信号，矩形信号，和白噪声的频谱分析,FFT with matlab function in a sinusoidal signal, the rectangular signal, and white noise spectrum analysis
FFT-matlab FT在matlab中的实践分析
- FFT在matlab中的实践分析，例子为求一个正弦波的频谱图、均方根谱、功率谱、对数谱和进行IFFT的变换-FFT analysis of the practice in matlab, examples for the sake of a sine wave of frequency spectrum, the rms spectrum, power spectrum, and the IFFT on the number of spectral transformation
FFT.rar
- 用FFT做谱分析的实验代码，附有详细的实验说明和源代码以及对实验现象的分析,FFT spectrum analysis done using the experimental code, with detailed experimental descr iptions and source code as well as the analysis of experimental phenomena
fft
- matlab下均匀分布自相关函数、正态分布自相关函数、随机信号自相关函数、随机相位信号自相关函数及其分别的功率谱密度图形。-matlab autocorrelation function under the uniform distribution, normal distribution, the autocorrelation function, autocorrelation function of random signals, the autocorrelation function
Periodogram-powe
- 平均周期图法和平滑平均周期图法估计功率谱 从经典功率谱估计周期图法原理入手，从理论上分析了其存在的局限性，借助Welch算法对其进行修正。依靠Matlab强大的数值分析和信号处理能力进行实验!! 用周期图法和welch法分别估计了一下信号的功率谱密度。采样频率200Hz，时间序列长度2048，FFT数据点数2048。其中welch法使用hanning窗，窗口长度600．-Average periodogram and periodogram smoothing method to est
gonglupu
- 利用FFT方法和维纳-辛钦定理自相关函数获得功率谱的对比。-Using FFT method and Wiener- Khintchine theorem to obtain the autocorrelation function of the power spectrum contrast.
自编fft
- 该程序采用FFT进行功率谱估计，并和matlab自带函数做比较，效果很好。
one_dimensional_PSD
- 一维功率谱密度计算程序，可以选择是否加窗，加那种窗-1D power spectral density caculation routin base on fft
fft
- 本文件包含三个小程序，分别为用fft实现功率谱估计、实现快速卷积和快速相关。对了解fft在c中的编程很有帮助-This document contains three procedures were used to achieve power spectrum estimation fft, fast convolution and fast correlation. Fft to know programming in c in the helpful
fft
- matlab 数字图像信号的频域分析及仿真 将二维数字图像进行傅立叶频域分析，并且做了图像幅度谱重建和相位谱重建，通过这个例子大家可以明白相位比振幅更重要。-matlab digital image signals in frequency domain analysis and simulation of two-dimensional digital image Fourier frequency domain analysis, and has done a reconstructio
matlab-DSP
- 包括信号系统和系统响应，FFT谱分析，双线性法设计IIR数字滤波器，窗函数法设计FIR数字滤波器，四部分matlab仿真程序，以及必要的说明。-Including the signal system and the system response, FFT spectrum analysis, bilinear Design of IIR digital filters, window function method for the design FIR digital filters, fou
fft
- fft处理及频谱图绘制、均方根谱图、功率谱、IFFT谱图等matlab的绘制程序-fft processing and display
fft
- 该文件为功率谱估计的一个子程序，对广大读者很有帮助，现在拿出来和大家一起分享下-The file is a subroutine power spectrum estimation of readers helpful, and now share with everyone out under
fft
- 数字信号处理matlab实验用FFT做谱分析源代码，可放心使用-Experiment with digital signal processing matlab FFT spectrum analysis to do source code can be freely used
FFT
- 计算信号的谱特性，包括频谱特征及功率谱特征。-Calculate the spectral characteristics of the signal, including spectral characteristics and power spectral features.
第二章-平稳随机过程的谱分析
- 介绍了平稳随机过程及功率谱相关理论 ● 傅里叶变换能否应用于随机信号？ ● 相关函数与功率谱的关系 ● 功率谱的应用 ● 采样定理 ● 白噪声的定义(The stationary random process and the theory of power spectrum correlation are introduced.)
加窗插值FFT
- 用nuttall窗双谱线插值实现谐波提取(Nuttall window double spectrum line interpolation harmonic extraction)
fft
- 对信号进行FFT，绘制出频率变化振幅，以及Nyquist频率之前随频率变化的振幅，进行谱分析，对归一化频率0~1进行分析。(The signal is FFT, the amplitude of frequency change is drawn, and the amplitude of the frequency changes with the frequency before the Nyquist frequency. The spectral analysis is carried