搜索资源列表
LVDFTCompute
- 离散傅里叶变换的matalb源代码，帮助理解数字信号处理的实现！-Discrete Fourier Transform matalb source. To help understanding of the digital signal processing implementation.
FFT
- FFT是离散傅里叶变换的快速算法，也可用于计算离散傅里叶变换的逆变换。快速傅里叶变换有广泛的应用，如数字信号处理、计算大整数乘法、求解偏微分方程-The FFT is a fast algorithm, can also be used to calculate the discrete Fourier transform of the inverse transform of the discrete Fourier transform. Fast Fourier Transform of a
image
- MATLAB图像的离散傅里叶变换，以及相关的频谱显示及分析图谱-image processing ,DFT transform,MATLAB code processing
EG7018_ex3_hj76_jha6_ms643
- 使用LPC2129实现离散傅里叶变换和快速傅里叶变换。可使用频谱发生器给定输入，对该输入进行傅里叶变换并求出输入频率。-Using LPC2129 discrete Fourier transform and Fast Fourier Transform. Spectrum generator can be used for a given input, and performing Fourier transform of the input and of the input frequenc
myfunction
- 这是一个计算离散傅里叶变换的程序，他可以计算一维和二维的的离散傅里叶变换及逆变换-It is a function of DFT
hua_fft
- 离散傅里叶变换的一种快速算法，能克服时间域与频率域之间相互转换的计算障碍-A fast algorithm for the discrete Fourier transform, able to overcome the mutual conversion between the time domain and frequency domain dyscalculia
DFT-and-DCT-transformations
- 二维离散傅里叶变换和离散余弦变换同属于图像的二维正交变换，它们在图像处理中有 着极为重要的应用价值。利用这些正交变换可以获得图像的频域信息，从而实现图像的增强、复原、编码和描述。本文将描述对图像进行DFT 和DCT 变换的过程。在进行DFT 变换后，还会将图像的幅频、相频特性进行置换操作后反变换，并探讨其中的规律；而在DCT 变换后，还将探讨如何选取DCT 系数点以实现图像的复原。请先阅读压缩包内的pdf文档。-This code implements the DFT and DCT tra
DFT_and_FFT
- 离散傅里叶变换和快速傅里叶变换的程序，简单实用。-The discrete Fourier transform and fast Fourier transform process.
nonuniformsampling-nudft
- 实现非均匀采样信号的离散傅里叶变换.对信号进行非均匀采样后进行非均匀离散傅里叶变换。用多个信号对该程序进行了测试。-given a signal, sample it non-uniformly and then compute the Fourier spectrum of non-uniformly sampled signals using Non-uniform Discrete Fourier Transform(NUDFT）.The programm is tested using
fftall
- 数字信号处理中的离散傅里叶变换用快速傅里叶变换算法实现（为按时间抽取FFT算法实现的程序；考虑到补零情况，进行信号频谱分析过程中可能出现的问题，例如混淆、泄漏、栅栏效应等）-Program of digital signal processing in the discrete Fourier transform using a fast Fourier transform algorithm (as achieved by the decimation-in-time FFT algorith
DSP
- 散傅里叶变换的性质 一、 实验目的 1、 掌握离散傅里叶变换的性质，包括线性特性、时移特性、频移特性、对称性和循环卷积等性质； 2、 通过编程验证傅里叶变换的性质，加强对傅里叶变换性质的认识。 -The nature of the discrete Fourier transform, the purpose of the experiment 1, to grasp the nature of the discrete Fourier transform, including
openCV5
- 基于opencv的五分完整源码，包括轮廓检测、摄像头标定、图像旋转与缩放、离散傅里叶变换、BMP与IplImage相互转换。-Opencv fifth complete source code, including contour detection, camera calibration, image rotation and scaling, discrete Fourier transform, BMP and IplImage conversion.
1_1FORIER
- 数字信号处理中的关于离散傅里叶变换的计算的示例程序-Digital signal processing in the calculation of the discrete Fourier transform on the sample program
fast-Fourier-transform-C
- 快速傅里叶变换 是离散傅里叶变换的一种算法 C语言程序-Fast Fourier transform is a discrete Fourier transform algorithm C language program
DFT
- 计算复序列的离散傅里叶变换和离散傅里叶反变换-Calculating the discrete complex sequence of discrete Fourier transform and inverse Fourier transform
rlfft
- 用N点复序列快速傅里叶变换来计算2N点实序列的离散傅里叶变换。-N-point complex sequence with a fast Fourier transform to calculate the real sequence 2N point discrete Fourier transform.
r2fft
- 用一个N点复序列的FFT同时计算两个N点实序列离散傅里叶变换-With an N-point complex sequence of N-point FFT calculate two real sequences discrete Fourier transform
matlab34214
- 求序列向量xn的傅里叶变换和离散傅里叶变换并画出它们的幅频特性和相频特性曲线，验证离散傅里叶变换是傅里叶变换的等间隔采样，验证IDFT和DFT的唯一性-Find the Fourier transform of the sequence xn vector and the discrete Fourier transform and draw their amplitude-frequency characteristic and phase-frequency characteristic c
watermark
- 基于离散傅里叶变换域图像数字水印研究与仿真-Based on the discrete Fourier transform domain image watermarking Research and Simulation
Fourier
- 傅里叶变换中的，离散傅里叶变换程序，是DFT变换的-Fourier transform, discrete Fourier transform procedure, the DFT transform