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FFT快速傅里叶变换程序
- 计算离散傅里叶变换的一种快速算法,简称FFT。快速傅里叶变换是1965年由J.W.库利和T.W.图基提出的。采用这种算法能使计算机计算离散傅里叶变换所需要的乘法次数大为减少,特别是被变换的抽样点数N越多,FFT算法计算量的节省就越显著。
FFT-and-IFFT
- fft与ifft的子程序代码,时间抽取基2FFT算法,参数包含4个:N点数、M蝶形运算迭代级数、换算到频域后的实部和虚部-fft ifft coding
DImage0.4
- Java实现的数字图像增强处理程序,可以直接用,其中FFT算法为原创!-Java implementation of digital image enhancement processing, can be directly used, including FFT algorithm is original!
zoom-fft
- 一种计算信号频率的FFT算法,应用于STM32F4芯片。-A resolution frequency FFT algorithm applied to STM32F4 chip.
fft(VB)
- VB编写的快速傅里叶算法,可以稍作修改、作为一维曲线数据的频域滤波程序。内有波形数据,可供实验。-VB Fast Fourier Transform Algorithm prepared, you can make some modifications, as a one-dimensional curve data of the frequency domain filtering procedure. Within the waveform data, for experiment.
fft
- fft蝶形算法,用c++编写,采用递归的方法,倒位序的排序采用的是后排序-fft butterfly algorithm, using c++ prepared using recursive method, inversion of the sort sequence is used after sort
ditfftbasedonmatlab
- 在matlab中实现时间抽取基2 FFT算法-Matlab achieve in the time taken from the base 2 FFT algorithm
MP-FFT
- 基于FFT的MP算法(matching pursuit)匹配跟踪,实现信号的稀疏分解-FFT-based MP algorithm (matching pursuit) matching pursuit, sparse decomposition of the signals
D12R1
- FFT(快速傅立叶变换)的算法实现-FFT (Fast Fourier Transform) algorithm
fft旋转算法
- fft旋转算法代码-fft rotation algorithm code
fft-DIF
- 自己编写的C语言基于频率抽取的基2FFT算法,用于大家学习交流-I have written C language based on the frequency of taking the base 2FFT algorithm, for them to learn from the exchange of
Fourier filter
- 程序包中包括Chebyshev低通滤波器、巴特沃斯模拟低通滤波器、Cholesky分解、DFT算法、FFT算法,可以直接移植到嵌入式系统或DSP中实现。-Package includes Chebyshev low-pass filter, Butterworth low-pass filter simulation, Cholesky decomposition, DFT algorithm, FFT algorithm, can be directly transplanted to the
fft
- 一个Fourier变换的小程序;算法简单实用。-A Fourier Transform procedure algorithm simple and practical.
FFT
- 基于dsp的fft算法,是基2按时间抽取快速fft,对于想熟悉fft算法的朋友很有帮助-Based on the dsp of the fft algorithm, is extracted by time radix-2 fast fft, for want of a friend familiar with the fft algorithm helpful
FFT_VHDL
- fft是基本的信号处理算法,本程序为fft算法的VHDL语言-fft is a fundamental signal processing algorithms, the procedures for the fft algorithm VHDL language
MY_VB6FFT
- VB的一个FFT算法编写的界面,可以实现FFT的算法。-VB an FFT algorithm to prepare the interface, FFT algorithms can be achieved.
fftcode
- fft算法的源码,是全国电子设计大赛一等奖获得者使用的-fft algorithm source is the National Electronic Design Competition first prize winner of use
Mallat+FFT
- 基于Mallat算法和快速傅里叶变换的电能质量分析方法-Based on Mallat algorithm and fast Fourier transform power quality analysis
pi_css5_src.tar
- Linux 下 的superpi源码, 使用FFT算法实现可以做测试使用.-A good superpi source code running at linux/unix platform, also you can port to any hardware.Realized with FFT algorithm.
FFT
- FPGA实现的基4FFT处理器高效排序算法研究-FPGA to achieve high-performance processor-based sorting algorithm 4FFT Research