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How to implement the FFT algorithm
- Basically, this article describes one way to implement the 1D version of the FFT algorithm for an array of complex samples. The intention of this article is to show an efficient and fast FFT algorithm that can easily be modified according to the need
czt-fft
- 基于FFT的极大似然载频估计算法,用CZT实现的MATLAB程序-FFT-based Maximum Likelihood estimation algorithm carrier frequency, with the CZT achieve MATLAB
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
FFT
- 对文本文档内的数据进行傅里叶变换,得到波形 -频谱图,相位图的对话框界面-For text document data within the Fourier Transform, the wave- frequency spectrum, phase diagram of the dialog box interface
szxhsy
- 数字信号处理实验详解及MATLAB实现源代码 实验一: 系统响应及系统稳定性 实验二: 时域采样与频域采样 实验三: 用FFT对信号作频谱分析 实验四:IIR数字滤波器设计及软件实现 实验五: FIR数字滤波器设计与软件实现 实验六: 数字信号处理在双音多频拨号系统中的应用-Detailed experimental digital signal processing and MATLAB source code to achieve the experimental on
perfect_OFDM
- 还在为“基于MATLAB的OFDM系统仿真”的朋友,可以看看我总结的资料! 该代码通过综合了本站中的两个源代码,在MATLAB 7.0下完成OFDM系统的完美仿真:音频数据采集->S/P转换->16QAM映射->IFFT处理->添加CP->P/S->理想/多径信道传送->……(FFT等)->传输结果比较(前后频谱图、可以直接通过听前后的音频文件来辨别系统的好坏-理想信道时音质前后相同)。在此还要感谢那两位站员提供相关的代码,也希望能对其他人有帮
FFT
- 自己编写的一个基2时间分解的FFT,程序实现了基2的时间序列从时域到频域的转换。希望对大家有用-I have written the time of a radix-2 decomposition of the FFT, program implementation of the base 2 of the time series from time domain to frequency domain conversion. Want to be useful to everyone
OFDM
- 这是一个相对完整的OFDM通信系统的仿真设计,包括编码,调制,IFFT,上下变频,高斯信道建模,FFT,PAPR抑制,各种同步,解调和解码等模块,并统括系统性能的仿真验证了系统设计的可靠性 -This is a relatively complete simulation of OFDM communication system design, including coding, modulation, IFFT, the upper and lower frequency, Gaussia
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
- 这是傅里叶变换的LABVIEW程序,利用此程序可以直接得知时间域波形的频域特性!-This is the Fourier transform of the LABVIEW program, this program can learn to use time-domain waveform of the frequency domain!
FFT
- 用VB实现对文本文件中的数据进行离散的FFT变换,在两个窗口中分别显示指定区域的时域信号和FFT之后的频域信号。 并可以进行SIN,Triangle,Square三种简单波形的自我模拟变换。-Text file data discrete FFT, respectively, in the two windows display the specified area and time-domain signal after the FFT frequency domain signal. And
FFT
- C#写的FFT变换,对信号进行时域和频域分析,大家可以-C# write FFT transform, the signal is the time domain and frequency domain analysis, everyone can see
fft
- 傅里叶变换C++ 实现 将时域信号转化为频域信号-Fourier transform C++ time domain signal into a frequency domain signal
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
- 求取正弦信号的幅频谱图、均方根谱、功率谱、对数谱等-To strike the amplitude of the sinusoidal signal frequency spectrum, the rms spectrum, power spectrum, the number of spectral
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--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.
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.)
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
fft
- FFT频偏估计算法,性能不错,用于GMSK调制(FFT frequency offset estimation algorithm, good performance, for GMSK modulation)