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Description: Wave文件读取、播放、实时显示波形、对其作FFT和DCT等功能-Wave document read, play, real-time waveform, for its FFT and DCT functions
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Size: 340992 |
Author: 罗永 |
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Description: myfft是一个自编matlab函数，将输入的采样频率个采样点数建立一个数据库后，取出表中的数据进行fft分析，绘制出时频波形进行比较分析-myfft self Matlab is a function of the input sampling frequency of 000 sampling points after the establishment of a database and extract table data fft analysis, time-frequency mapping out a comparative analysis of waveforms
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Size: 1024 |
Author: 任之颖 |
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Description: 用matlab工具比较fft和stft算法的区别-using Matlab tool fft comparison algorithm and the difference stft
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Size: 1024 |
Author: qjsky |
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Description: 用matlab仿真的信号的fft变换的时域,频域图形-simulation using Matlab Signal fft transform in time domain, frequency domain graph
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Size: 1024 |
Author: tin_liu |
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Description: 使用MATLAB函数中的FFT命令计算离散时间信号的频谱，以加深对离散信号的DFT的理解及其FFT算法的运用。-using MATLAB function FFT calculation order discrete-time signal spectrum, to increase the discrete signals in the DFT and FFT algorithm understanding of the application.
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Size: 29696 |
Author: tintin |
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Description: FFT信号分析模型，实时显示FFT分析结果-FFT signal analysis model, real-time FFT analysis results show
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Size: 4096 |
Author: 于晓静 |
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Description: 傅立叶变换用于图像处理时的特性分析>>傅立叶变换用于图像处理时的特性分析-Fourier transform for image processing at the time of Analysis
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Size: 138240 |
Author: xiake |
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Description: 本程序是按时间抽选的基-2FFT算法，输入倒位序，输出顺序 -This procedure is based on the time selected for the base-2FFT algorithm, enter the inversion sequence, the output sequence
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Size: 3072 |
Author: 蜗牛 |
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Description: 创建一个实现FFT算法的DSP工程，并给工程中加入源文件、库文件和链接命令文件观察输入、输出数据的频谱；
改变FFT的点数，观察结果；
通过Profile分析算法的运行时间。
-FFT algorithm to create a realization of the DSP project, and add to the project source files, library files and link observation command file input and output data of the spectrum change FFT points, observation results through the Profile of the run-time analysis algorithms.
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Size: 160768 |
Author: 陈志坤 |
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Description: 分四种情况实现fft
分别是时间抽取递归 、时间抽取循环、频率抽取递归和频率抽取循环
以及附带dft的算法描述-Fft realize sub-four cases were collected recursive time, time taken from the cycle, frequency and frequency of samples taken from recursive cycle, as well as incidental DFT algorithm described
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Size: 1024 |
Author: didi |
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Description: fft1．用Matlab产生正弦波,矩形波,以及白噪声信号，并显示各自时域波形图
2．进行FFT变换，显示各自频谱图，其中采样率，频率、数据长度自选
3．做出上述三种信号的均方根图谱,功率图谱,以及对数均方根图谱
4．用IFFT傅立叶反变换恢复信号，并显示恢复的正弦信号时域波形图-fft1. Using Matlab generated sine wave, rectangular wave, as well as the white noise signal, and display their respective time-domain waveform of Figure 2. FFT to transform, showing their frequency spectrum, including sampling rate, frequency, data length of 3-on-demand. Make the rms signal of the three maps, power maps, as well as the number of root-mean-square map 4. Fourier Transform IFFT with the restoration of signals, and displays the sinusoidal signal the resumption of time-domain waveform
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Size: 1024 |
Author: 李三 |
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Description: FFT算法的基本原理是把长序列的DFT逐次分解为较短序列的DFT。按照抽取方式的不同可分为DIT-FFT（按时间抽取）和DIF-FFT（按频率抽取）算法。按照蝶形运算的构成不同可分为基2、基4、基8以及任意因子（2n,n为大于1的整数），基2、基4算法较为常用。-FFT algorithm is the basic principle of DFT successive long sequence is broken down into shorter sequences of DFT. In accordance with the different extraction methods can be divided into the DIT-FFT (time taken) and the DIF-FFT (according to the frequency of extraction) algorithm. In accordance with the composition of different butterfly operations can be divided into base 2, base 4, base 8, as well as arbitrary factor (2n, n is an integer greater than 1), radix-2, Radix-4 algorithm is more commonly used.
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Size: 1024 |
Author: 李文 |
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Description: matlab program to fing FFT of given sequence using decimation in time and decimation in frequency algorithms
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Size: 1024 |
Author: Deepthi |
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Description: 时域信号转换为频域信号的几个例子，本人都用过的，绝对能运行-Time-domain signal is converted to frequency domain signal a few examples, I have been used, absolutely can run
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Size: 2048 |
Author: zh |
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Description: 设计一个按照时间抽取的基2快速傅里叶变换（基2FFT-DIT）。输入倒位序，输出自然顺序-To design a time of extraction according to the base 2 Fast Fourier Transform (base 2FFT-DIT). Input inversion sequence, the output of natural order。
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Size: 17408 |
Author: cuiqida |
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Description: 快速傅立叶变换（时域抽取基二fft）的源码的分析-Fast Fourier Transform (time-domain extraction base 2 fft) analysis of the source code
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Size: 5120 |
Author: 林言 |
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Description: Matlab中的fft分析含噪声的信号，其中有直接FFT，时域同步平均后FFT，频域同步平均后FFT-Matlab' s fft of noisy signals, which have a direct FFT, time-domain synchronous averaging the FFT, frequency domain averaged FFT synchronization
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Size: 4096 |
Author: dengyan |
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Description: Matlab的FFT算法程序
里面有基2时间抽取的FFT
还有基2频率抽取的FFT
-Matlab' s FFT algorithm which has taken the time base 2 radix-2 FFT have taken the FFT frequency
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Size: 1024 |
Author: jinbang |
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Description: 简单实现信号的时域频域转换，根据网上文件改编，适合于汽车做起座椅振动加速度的测量(The signal is converted into time domain and frequency domain)
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Size: 1024 |
Author: J.K.
|
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Description: FFT的仿真程序，包含详细注释，以及时频图。(FFT's simulation program, including detailed annotations, and time frequency diagrams.)
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Size: 1024 |
Author: 油爆皮皮虾 |
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