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离散傅立叶变换简介
- 离散傅立叶变换简介
Disfrft
- 另一种离散傅立叶变换程序-a discrete Fourier transform procedures
AddWindowDFT
- 加窗离散傅立叶变换,用DFT对离散信号进行谱分析,通过选用不同的加窗函数来抑制信号截断造成的频谱泄漏-windowed discrete Fourier transform, DFT right discrete signal spectral analysis, the increase in the alternative window function to curb the disconnect signal leakage s
ContinuousSignalDFT
- 连续信号离散傅立叶变换,用DFT对连续信号进行谱分析-continuous signal DFT, using DFT to analyze continuous signals.
序列的离散傅立叶变换
- 序列的离散付氏变换(根据定义),含绘图程序,可以看到图形结果-sequence of discrete Fourier transform (by definition), including mapping procedures, we can see the results Graphics
lisanfuliyebianhuan
- 简单方便的DFT(离散傅立叶变换)方法处理图像问题,希望对大家有用。-easy DFT (Discrete Fourier Transform) approach to image problems in the hope that useful for all.
image_dct_trans
- 采用c语言对8**8图像进行离散傅立叶变换,实现对图像压缩处理-to eight images** 8 discrete Fourier transform, to achieve Image Compression
imagetransformcodes
- 此程序实现图象傅立叶变换、离散傅立叶变换和小波变换、可以自己设定小波变换的参数-this procedure image Fourier transform, discrete Fourier transform and wavelet transform, can set their own parameters of wavelet transform
watermarking-yuanma
- 数字水印常用变换如dct变换小波变换离散傅立叶变换等源代码-transform digital watermark used as Extra transform wavelet transform discrete Fourier transform, and other source code
radix-2FFT
- 基2FFT,是DFT(离散傅立叶变换)的快速算法-radix 2 FFT, DFT (Discrete Fourier Transform) Fast Algorithm
VB-FFT
- FFT实现序列离散傅立叶变换,输入序列,输出序列的傅立叶变换结果。-FFT Discrete Fourier Transform realize sequence, input sequence, output sequence of the Fourier transform results.
fft2d
- 离散傅立叶变换已成为数字信号处理的重要工具,然而,它的计算量较大,运算时间长,在某种程度上却限制了它的使用范围。快速算法大大提高了运算速度,在某些应用场合已能作到实时处理,并且开始应用于控制系统。-Discrete Fourier Transform digital signal processing has become an important tool, however, the calculation of its larger
two_D_DFT
- 对输入的数字图像进行二维离散傅立叶变换,由matlab实现-The input digital image to two-dimensional Discrete Fourier Transform, from matlab realize
SLMFFT
- 一个用VC6.0编写的离散傅立叶变换程序的 源代码。值得一看 .-VC6.0 prepared using a Discrete Fourier Transform program
DCT-SRC-CODE
- 离散傅立叶变换,在数字图像的频域处理中经常使用的变换,源代码为VC6开发环境。-Discrete Fourier Transform in the frequency domain of digital image processing frequently used transform, the source code for VC6 development environment.
C54XDTMF
- 运行于TI公司的C54X芯片的离散傅立叶变换程序-Running on TI s C54x chips Discrete Fourier Transform program
dftMATLAB
- DFT:离散傅立叶变换 符运行后得频谱图-DFT: Discrete Fourier Transform running at a frequency spectrum
DFT
- 实现离散傅立叶变换DFT 最后分析得到频谱幅度 相位-Discrete Fourier Transform DFT realize the final analysis of phase-amplitude spectrum
DFT
- 信号与系统试验报告 离散傅立叶变换(DFT)和频谱分析 一、实验内容 1、实验题目 (1)编写DFT、IDFT程序,并验证其正确性(提示:可利用冲激函数进行验证)。 (2)计算信号f(t)=e-at2sin(2∏ft)的离散傅立叶变换(DFT),求其振幅谱,相位谱、振幅最大值对应的频谱(检测主频)以及对发f(t)进行DFT变换的结果实现IDFT变换,并画出图形。 参数选择如下:频率f =30HZ,a=f 2
快速傅里叶变换及实现——交换两幅图像的相位谱
- 快速傅氏变换(FFT),是离散傅氏变换的快速算法,它是根据离散傅氏变换的奇、偶、虚、实等特性,对离散傅立叶变换的算法进行改进获得的。它对傅氏变换的理论并没有新的发现,但是对于在计算机系统或者说数字系统中应用离散傅立叶变换,可以说是进了一大步。(Fast Fourier transform (FFT) is a fast algorithm for discrete Fourier transform. It is based on th