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FastFourierTransform
- This function is written to understand and/or explain an fft algorithm and usage of radix2 procedure. This function take the signal which you want to find FFT, for m bit you can also call the function without entering a signal or number of
chabiaofft
- 通过查表法来实现fft中的sin和cos,大大加快了程序的速度-Watch by the law to implement fft of sin and cos, and has been greatly speeded the speed
adctest_maxim0911
- 通用高速ADC动态性能测试MATLAB code,包括SNR,SINAD,ENOB,THD,SFDR,并绘制频域幅值曲线-MATLAB code for high speed ADC dynamic specific tests, including SNR, SINAD, ENOB,THD,SFDR,and so on.
FFTanalyser
- sample FFT Analyser using matlab. using cos and sin function.
sin_fft
- 对SIN 函数进行FFT变化 并输出频谱图,应用于dsp c5000系列,可在ccs上运行-FFT of the SIN function changes and the output spectrum, used dsp c5000 series, can be run ccs
05z1120
- 聚束S:IR成像算法中的几种插值方法比较.,常用的截断sine插值法、FFT补零 插值法和线性相位相乘的插值方法进行了研究,推导了各自的插值过程,分析了每种算法的插值精度,比较了它们的运算 量-educed.E achm ethod sin terpolationp recisionw as analyzeda ndth eirca lculationa mountsw erec ompared.In v iewo fco mputersi mulations,thec onclusio
Simulator
- Simulator 这是一个仿真程序文件夹下面有: acorr 自相关 add 向量相加 convol 卷积 corr 互相关 dlms 自适应算法 hpassfir 高通FIR算法 lpassfir 低通算法 mmul 矩阵相乘 rfft FFT算法实验 sin 这是一个产生正弦波数据的程 sub 向量相减 -Simulator is a simulation program folder belo
ee
- 快速傅立叶变换(FFT)是离散傅立叶变换的一种有效的算法,通过选择和重新排列中间结果,减小运算量。DFT有大量重复的cos、sin计算,FFT的作用就是用技巧减少cos、sin项重复计算。当采样点数为1024点,DFT要求一百万次以上计算量,而FFT则只要求一万次。-cout width cout width cout width cout width cout width cout width cout width cout width cout width cout width cout w
ee
- 快速傅里叶变换 (FFT) 实现,给定信号x(t)=sin(2πf0t),f0=50Hz,对x(t)以fs=200Hz进行抽样,抽样点数为N=16。编写程序实现对x(n)的快速傅里叶变换,求得相应的X(K)。-Fast Fourier Transform (FFT) to achieve a given signal x (t) = sin (2πf0t), f0 = 50Hz, for x (t) with fs = 200Hz sampling, the sampling points is
water
- 利用 fft 快速傅里叶变换 和改进的sin函数模拟完成的实时水波模拟-fft fast fourier transform raeltime water wave simulation
fft1-in-matlab
- FFT 实例 x=0.5*sin(2*pi*15*t)+2*sin(2*pi*40*t)。采样频率fs=100Hz,分别绘制N=128、1024点幅频图-FFT in Matlab example
fft2-in-matlab
- FFT应用举例 x=0.5*sin(2*pi*15*t)+2*sin(2*pi*40*t),fs=100Hz,绘制: (1)数据个数N=32,FFT所用的采样点数NFFT=32; (2)N=32,NFFT=128; (3)N=136,NFFT=128; (4)N=136,NFFT=512。-FFT in matlab example
fft-computing-sin-cos-FIG.
- fft计算sin_cos图,有代码和仿真效果图,体验fft和频谱特性-fft calculation sin_cos graph, code and simulation renderings, experience fft and spectral characteristics
fft
- matlab程序,对多种信号的傅里叶(Fourier)变换,包括sin,sinc,AM,2fsk,2psk,方波,以及带汉明窗的FFT-Matlab program, for a variety of signals of Fourier Fourier transform, including sin, sinc, AM, 2 FSK, 2 PSK, square wave, and FFT with hamming window
fir_vivado
- 此压缩包里面有基于vivado平台的工程,包括了正弦信号的产生,还有fir滤波器的设计以及fft算法的设计实现-in this package,there are three projects of the generation of the signal of sin and the design of fir filter and the ari