搜索资源列表
zhengxianboshujuwenjian
- 用C++ 生成的正弦波数据文件，N是fft的点数，f是正弦波信号频率，fs是采样频率，结果会生成in.dat文件 -C generated sine wave data files, fft N is the number of dots, f is the frequency sine wave signal. fs is the sampling frequency, the result will document generation in.dat
fft2d_gpu
- using NVIDIA FFT CUDA Library to solve FFT problem
fft_delphi.ZIP
- Delphi FFT Spectrum Analyzer
STM32F10x_DSP_Lib_V1.0.1
- stm dsp的源文件 和例程 ，做一些简单的dsp开发和学习-stm dsp source files and routines, do some simple dsp development and learning
fft2_cuda
- 在CUDA下的FFT变换程序，可以供爱好GPU编程的参考学习。-It it the FFT transform in CUDA, and very suitable for the programer who is interested in GPU.
fft
- OpenMP 实现FFT 分解 曙光 4000A集群-OpenMP to achieve FFT decomposition of Dawning 4000A cluster
example4_4
- 例4：在sinc(t)信号中叠加噪声，分析对应频谱 fs=100 采样频率,必须大于两倍基带信号最高频率 ts=1/fs 采样时间间隔 T=2 时间窗大小 - x=x+0.1*randn(1,N) x=awgn(x,-10, measured ) figure plot(t,x) title( 时域信号图 ) xlabel( t /s ) y=fft(x,N) figure if mod(N,2)~=0
example4_3
- 例3：分析占空比为ta的矩形脉冲频谱 T=1 时间窗大小 ta=0.5 占空比 N=256 t=linspace(-T,T,N) ts=2*T/N fs=1/ts -x=zeros(1,N) x(N/2-round(N/2*ta):N/2+round(N/2*ta))=ones(1,2*round(N/2*ta)+1) y=fft(x,N) figure plot(t,x) title([ 时域信号图 占空比为 ,num
cftbyfft
- 采用FFT计算连续时间Fourier变换。输出幅频谱数据对(f,AW)-FFT calculation using the continuous-time Fourier transform. The output data rate spectrum (f, AW)
激光自混合微位移测量的FFT相位提取方法_张照云
- 提出一种基于快速傅里叶变换( F F T)提取相位的方法, 分析自混合干涉信号, 不增加系统复杂度就能将激光自混合( SM LD) 微位移测量精度提高到纳米量级。(A phase extraction method based on F F T is proposed. The self mixing interference signal is analyzed, and the accuracy of the self mixing (SM LD) micro displacement me