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eg-fft
- fft1．用Matlab产生正弦波,矩形波,以及白噪声信号，并显示各自时域波形图 2．进行FFT变换，显示各自频谱图，其中采样率，频率、数据长度自选 3．做出上述三种信号的均方根图谱,功率图谱,以及对数均方根图谱 4．用IFFT傅立叶反变换恢复信号，并显示恢复的正弦信号时域波形图-fft1. Using Matlab generated sine wave, rectangular wave, as well as the white noise signal, and displa
filter
- filter about FFT and microsoft wave audio
fffttt
- this file plot fft . in this file two sine wave are plotted then by fft algorithm we plot fft
muiliu_v57
- 基于kaiser窗的双谱线插值FFT谐波分析，有较好的参考价值，用平面波展开法计算二维声子晶体带隙。- Dual-line interpolation FFT harmonic analysis kaiser windows, There are good reference value, Computation Method D phononic bandgap plane wave.
nq766
- 基于kaiser窗的双谱线插值FFT谐波分析，采用的是通用的平面波展开法,空间目标识别，采用PM算法。- Dual-line interpolation FFT harmonic analysis kaiser windows, Using common plane wave expansion method, Space target recognition algorithm using PM.
matlab文件
- 利用小波变换、fft实现地震波的时域、频域特征的对比分析(Comparative analysis of seismic wave in time domain and frequency domain by wavelet transform and FFT)