搜索资源列表
图像频率域变换
- 图像频率域的变换方法集合，含有fft,dct,wavlet等-Image Transform the frequency domain method pool, containing fft, Copy, etc. wavlet
傅里叶变换以及频率域卷积
- C++语言实现傅里叶变换以及频率域卷积
FFT.用于数字信号处理
- 用于数字信号处理，计算信号频率。 ,FFT
fft.rar
- FFT快速傅里叶变换程序语言。频率抽选基FFT和IFFT子程序,FFT Fast Fourier Transform programming language. Frequency-based FFT and IFFT selected subroutine
FFTinDLG
- MFC下FFT用C++写的源代码,有图形显示,sin和fft频率的自由选择.图形界面-MFC under the FFT written in C++, source code, graphics, sin, and fft frequency of free choice. Graphical interface
FFT
- 快速傅里叶变换，主要应用于频率变换和滤除同频或异频的波-Fast Fourier transform, that the are mainly used in the frequency to transform and filter out the same frequency or heteroclinic frequency wave
FFT
- fft算法，使用时间分割算法和频率分割算法两种实现fft-two implementations of fft fft algorithm using time segmentation algorithm and frequency segmentation algorithm
FFT(figure)-time-frequency
- 可以清楚的知晓信号随时间轴和频率轴的变化，相当的方便-Can be clearly known with the axis and a frequency axis signal changes, considerable convenience
FFT
- 1．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-1. Produce sine wave, square wave, and the white noise signal with Matlab, and their time-domain waveform
FFT-demo
- 1．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- 1. Using Matlab to generate sine wave, square wave, and the white noise signal and displays each tim
fft
- C语言的快速傅里叶变换小代码，常用来进行频率变换，希望大家交流测试用。-C language fast Fu Liye transform code, commonly used in frequency conversion, we hope that the exchanges test.
FFT
- 傅里叶变换功能的实现，虽然是非常见得的频率成分，但是还是实现了基本的傅里叶变换功能，并不是matlab自带的fft函数。实现了频谱分析可视化。-Fourier transform function, although it is very frequency components appear, but still achieve the basic function of the Fourier transform, comes not matlab fft function. Achieve
pinlv668
- 仿真不同频率的组合信号通过滤波器后作FFT，得到滤波后信号的fft频谱及fft求模，并找出最大值及索引，非常实用。。(The combination of different frequency signal through the filter FFT was obtained after filtering FFT spectrum and FFT signal for mold, and find out the maximum value and index, very practica
fft2_1024
- 对信号进行fft加窗插值处理，信号的频率、幅值、相位可以设定(The signal FFT and window interpolation processing)
frequency fft
- 将IQ数据转换成FFT频谱，点数代表了频率值。(convert the IQ to spectrum by fft.)
信号论文
- 能够进行简单的频率计算，通过输入一个模拟信号没能够用MATLAB计算出相应的信号频率，算法的计算量小，文档完整，文档的附录是MATLAB程序，可以直接在MATLAB中使用(To calculate the simple frequency, through the input of an analog signal can not calculate the signal frequency with corresponding MATLAB algorithm, small amount of
复合信号频率计
- 该系统基于TMS320F2808实现，用来检测和重建复合频率信号中的主次信号。该系统由计算模块、重建模块和通讯模块组成。为了能在实时运行中自适应地确定采样频率，我们采取了“eCAP+AD”的方法，eCAP模块记录下整形后的复合信号的上升沿过零点时间值并估计出主频率，从而使系统能自动地选取合适的采样频率完成AD采样过程。系统采用了4096点的FFT算法，能够实现高达0.25Hz的频率分辨率，相对分辨率达到0.05%。(The system is based on TMS320F2808 to de
fft - 副本
- 进行FFT变换。任何连续测量的时序或信号，都可以表示为不同频率的正弦波信号的无限叠加。而根据该原理创立的傅立叶变换算法利用直接测量到的原始信号，以累加方式来计算该信号中不同正弦波信号的频率、振幅和相位。当然这是从数学的角度去看傅立叶变换。(Any continuous time sequence or signal can be expressed as an infinite superposition of sinusoidal signals of different frequencie
apfft
- 全相位FFT变换，适用于对不同频率波形进行频谱分析(All phase FFT transform is suitable for spectrum analysis for different frequency waveforms)