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快速傅立叶变换FFT及信号的谱分析
- 用快速傅立叶变换FFT实现信号的谱分析,包括FFT程序,谱分析程序和绘图程序-using Fast Fourier Transform FFT spectrum analysis of the signals, including FFT procedures, spectral analysis procedures and drawing program
lft1
- 次程序包含副立叶变换,快速傅立叶变换 ,快速傅立叶反变换变换-meeting included Vice procedures FFT, Fast Fourier Transform, Fast Fourier Transform - Transform
DIT-FFT
- 本人编写的按时间抽取的快速傅立叶变换算法,非常实用的算法程序。-prepared by the time taken by the Fast Fourier Transform algorithm, the algorithm is very practical procedures.
FFTfrequencychartisanalytical
- 1.通过实验加深对快速傅立叶变换(FFT)基本原理的理解。 2.了解FFT点数与频谱分辨率的关系,以及两种加长序列FFT与原序列FFT的关系。 离散傅里叶变换(DFT)和卷积是信号处理中两个最基本也是最常用的运算,它们涉及到信号与系统的分析与综合这一广泛的信号处理领域。实际上卷积与DFT之间有着互通的联系:卷积可化为DFT来实现,其它的许多算法,如相关、滤波和谱估计等都可化为DFT来实现,DFT也可化为卷积来实现。-1. Deepen the experimental fast Fou
128
- 128点快速傅立叶变换算法,用C语言编的,很实用的-128 point FFT algorithm in C language addendum to the very practical
fftshixian
- 快速傅立叶变换(FFT)算法实现 将DFT算法与FFT算法计算时间进行比较,分析二者的效率和精确差异。-Fast Fourier Transform (FFT) algorithm to DFT algorithm and FFT algorithm for computing time to carry out comparative analysis between the two differences in the efficiency and precision.
FFTView
- 用vc实现的快速傅立叶变换源代码FFT,在此基础上可写更多功能的卷积等程序-Vc achieved using Fast Fourier Transform source code for FFT, on this basis can be written more features, such as the deconvolution procedure
fft
- 进行快速傅立叶变换,输入的数据必须合法,只能是2的n次幂。并画出图形。也可以对复数信号在作图。-Fast Fourier transform, the input data must be legitimate, can only be two n-th power. And draw the graph. Complex can also signal mapping.
FFT
- 简单的完成快速傅立叶变换,使用随机生成的数据作为输入,完成原位变换-completes the fft transform,and uses the random datas as inputs and completes the tranform in place
FFT-code
- 此代码用VC6.0实现,为c++源文件,功能为用C++实现快速傅立叶变换。-This code with VC6.0 achieve for c++ source files, the function is with C++ realize fast Fourier transform.
fft
- fft测试代码,用于测试快速傅立叶变换的代码-fft test code, test, Fast Fourier Transform
FFT--filter
- 快速傅立叶变换算法频域滤波,效果不错,可以试试。-Fast Fourier Transform algorithm for frequency domain filtering, good results, you can try.
FFT
- 利用FFT快速傅立叶变换对已知几种信号进行处理,将时域信号快速变换到频域-FFT Fast Fourier Transform known several signal processing, the rapid transformation of the time domain signal to the frequency domain.
FFT
- 快速傅立叶变换7种代码和程序,附有源代码,可以自己进行调试-Fast Fourier Transform seven kinds of codes and procedures, with the source code, you can debug your own
FFT
- 这个代码利用时间抽取算法,编写基2点的快速傅立叶变换(FFT)程序。-This code takes advantage of the time extraction algorithm, written in base 2:00 Fast Fourier Transform (FFT) program.
FFT
- 实现快速傅立叶变换算法,功能可能比较单一-Fast Fourier Transformation
fft-model
- 用FFT快速傅立叶变换的方法,求取两个模拟信号的相位差。为C语言程序.本程序利用两个模拟信号,求取信号的相位差。-FFT fast Fourier transform method, the strike phase two analog signals. C language program
FFT
- 该程序为快速傅立叶变换程序,为一个一维FORTRAN程序。-this code is a FFT code, which is an one-dimensional code.
二维快速傅立叶变换
- 本文档介绍了快速傅里叶变换的技术,并给出了C++语言中用于计算图像数据的二维FFT的源代码。(This document introduces the techniques of fast Fourier transform and gives a source code in C for computing 2D FFT on image data.)
FFT
- 利用c++实现FFT,可以进行大数运算或者计数问题,有精度损失(FFT can be realized by c++, which can carry out large number operation or count problem, and have precision loss)