搜索资源列表
FFT
- 此程序是DSP5402的DSK例子程序,为快速傅里叶变换,将信号由时域变为频域。-This program is an example DSP5402' s DSK procedures for the fast Fourier transform, the signal from the time domain into the frequency domain.
22019193wavread
- 用于对声音信号进行处理,包括FFT变换,频谱估计等等!-Used for voice signal processing, including FFT transform, spectral estimation, and more!
FFT
- 利用FFT估计正弦信号的频率,要估计一个叠加了高斯白噪声的正弦信号 的频率 ,可以通过对x(n)做傅里叶变换,得到频谱图,找出幅度的最大值对应的频率值 ,进行多次变换,求出均方误差 。改变信噪比SNR,通过仿真可以得出随着信噪比增加,均方误差减小。-Sinusoidal signal using FFT frequency estimation, to estimate a Gaussian white noise superimpos
FFT
- FFT变换结果为对称型,矩形窗是使信号突然截断,旁瓣会很大,且衰减较慢,旁瓣的第一个负 峰值为主瓣的21%,第一个正峰值为主瓣的12.6%,第二个负峰值为主瓣的9%,效果一般,泄漏较大。 -FFT, the result is symmetric, rectangular window is suddenly cut off the signal, the side lobe would be great, and the sl
fft
- fft的应用,包正旋信号,脉冲信号等通 过fft变换所产生的变化-fft applications, including the sine signal, pulse signals generated by changes in fft transform
fft1604
- FFT变换用单片机实现,效果良好。有视频验证。可以对音频信号检测。能简单画出波形-FFT transform, with MCU to good effect. With video verification. Audio signal can be detected.
digital-signal-processing-with-C
- 一本从C语言的角度讲述数字信号处理编程的书籍,对于数字信号处理中诸如DFT,FFT变换等非常重要的部分都有详细介绍,并附有C代码。-A perspective from the C language programming about books digital signal processing for digital signal processing such as DFT, FFT transform has a very im
FFT
- FFT简称为快速傅里叶变换,是DTF处理的一般实现方法,一维距离成像就是对差拍信号进行FFT变换,变换所得到的幅值图像横坐标为距离信息,纵坐标为幅值信息,通过一维仿真,我们可以看到目标距离相对应的幅值信息。-FFT referred to as fast Fourier transform, is DTF processing general method, a d imaging is difference from pat sign
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 FF
FFT
- C#实现的快速傅里叶变换,递归算法,可用于信号处理。-failed to translate
fft
- 进行傅里叶变换的java代码,其中有三个java文件,Signal中Signal类存放了信号,FFT1D进行一维傅里叶变换,ToolboxFourier进行了三维傅里叶变换。图像处理的可以看下。-Fourier transform of the java code, which has three java files, Signal Signal class stored in the signal, FFT1D for one-di
MATLAB--FFT
- 利用MATLAB实现信号的FFT变换 得到频域特性-Achieved using MATLAB FFT transform of the signal frequency domain
Fast-Fourier-transform-FFT-
- 快速傅里叶变换FFT算法介绍,用于信号的分析-Fast Fourier transform FFT algorithm introduced
fft
- 变频信号的快速FFT变换,能准确的给出信号的频谱特征-Fast FFT of the signal frequency, can give accurate spectral characteristics of the signal
FFT
- DSP浮点处理器实现FFT,A/D转化器采集DDS发出的FSK信号,对其信号进行FFT变换-DSP floating-point processor realize FFT, A/D converter FSK signal A DDS collection of the signal for FFT transformation
pinxiang
- 将一个激振结构测得的时域信号fft变换,频谱分析,的到频谱图。-Fft transform of the time-domain signal, spectrum analysis
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
- 这个代码是用来对数字通信系统中FFT变换进行仿真,将时域信号进行FFT变换可得到频谱图形-This code is used to simulate the FFT algorithm in digital communication systems, time-domain signal available spectrum graphics FFT
phase_fft
- 实现对两路同频正弦波信号fft变换求相位差,可以在dsp中仿真使用-To achieve the two frequency sine wave signal fft transform and phase difference, and dsp simulation use. . .
FFT
- 基于单片机的信号数据的FFT变换 ,超级牛的-Microcontroller-based signal data FFT transform, the Super Cow