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short-fft
- 里面有一对定点FFT和IFFT算法，Hanning window，内含有1024-point正弦系数（已进行定标），可支持2^n(n<=10)点的FFT/IFFT变换
Analysis
- 完成经济型片上数采系统所需的分析功能，目前暂定为 FFT，各种窗函数，以后待硬件完善后再继续添加-economic unit completed several mining system for the analysis function, tentatively scheduled for FFT, Window functions, beyond question hardware continue to improve after adding
FFT算法和STFT算法比较
- 用matlab工具比较fft和stft算法的区别,using Matlab tool fft comparison algorithm and the difference stft
hanning.rar
- 用hanning窗的插值FFT算法，适用于电力系统信号的谐波分析,Hanning window with interpolation FFT algorithm, applied to power system harmonic analysis signals
FFT.rar
- 一个简洁的，快速傅利叶变换和反变换，输入要变换的数据长度，和数据内容，即可在窗口得到变换后的输出结果；,A simple, fast Fourier transform and inverse transform, to transform input data length, and data content, can be transformed in the window of the output
waveInFFT_demo
- 实现语音的采集、量化、控制、频谱显示功能。整个程序是通过windows平台下，使用VC++6.0的库函数实现声卡的信号采集从而生成wave文件；之后，对信号进行FFT，并在windows窗口下完成频谱显示。-Voice of the collection, quantification, control, spectrum display function. The whole process through the windows platform, the use of VC++ 6.0 o
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
FFT
- 利用FFT对信号进行频谱分析，信号截断采用矩形窗-The signal using FFT spectrum analysis, signal cut rectangular window
fft
- 在MATLAB中利用FFT函数来进行变换，其中利用到了HAMMING窗-Using FFT function in MATLAB to carry out transformation, which used to HAMMING window
fft-4096
- 在window下开发的4096点FFT源码，使用C开发，对学习数字信号处理有一定帮助-Developed in the window of 4096 points FFT source, the use of C development, digital signal processing to study some help
FFT_DEMO_with_MATLAB
- 用MATLAB编写的FFT演示程序，旁瓣可由窗函数来减弱-FFT using MATLAB prepared demo program, sidelobe window function may be to weaken
FIR
- 数字信号处理基于matlab 文件内容 /conv(卷积部分) dupconv 重叠保留法 freqcirconv 频域圆周卷积 freqconv 频域卷积 timecirconv 时域圆周卷积 timeconv 时域卷积 /fft(频域分析部分) d2fft 基2FFT dft DFT最简化程序 dtft DTFT演示 /fir(fir滤波器设计) fir 得到fir滤波器hn getwindow 得到fir
matlab
- 实验指导 低通采样定理实验 FFT频谱分析实验 IIR滤波器设计实验 窗函数法FIR滤波器设计 频率采样法FIR滤波器设计实验-Experimental guide low-pass sampling theorem FFT spectrum analysis experiment experiment experiment IIR Filter Design Window Function FIR filter design frequency sampling FIR filter desi
FFT
- Labview环境下实现带汉明窗的傅里叶变换-Labview environment to achieve with a Hamming window Fourier transform
fft
- 窗函数法的FIR数字滤波器设计 matlab-Window function method of FIR digital filter design matlab
5509-FFT
- 掌握用窗函数法设计 FFT 快速傅里叶的原理和方法；-Master the design of FFT window functions fast Fourier principles and methods
fft
- FFT algorithms FFT, IFFT, power spectrum calculation, including the Hamming window, Hanning window, triangle window, Blackman window, 4 term Blackman-Harris window of several of the power spectrum window function computing power.
spectrum-leakage-and-window-function
- 信号分析与处理中的频谱泄露现象及窗函数的作用-Signal analysis and processing of the spectrum leakage phenomenon and the role of window function
FFT
- FFT加窗分析，计算幅值，相位，可以自己定义信号，加窗后相位差以及插值法-FFT window analysis
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)