搜索资源列表
ARMODEL
- 功率谱估计的应用范围很广,在各学科和应用领域中受到了极大的重视。在《现代信号处理》课程中讲述了经典谱估计和现代谱估计这两大类谱估计方法;经典谱估计是基于傅立叶变换的,虽然具有运算效率高的优点,但是频谱分辨率低同时旁瓣泄漏严重,对长序列有着良好的估计。为了克服经典谱估计的缺点,人们开展了对现代谱估计方法的研究。现代谱估计是以随机过程的参数模型为基础的,有最大似然估计法、最大熵法、AR模型法、预测滤波器法。现代谱估计对短序列的估计精度高,同经典谱估计互为补充。在认真学习了现 代谱估计方法后,我选择了
ditfft
- 用matlab编写的fft快速傅立叶变换及逆变换函数,其中flip1是供ditfft函数调用的倒叙子函数。-using Matlab fft prepared by the fast Fourier transform and inverse transform function, which is flip1 ditfft function call for the Warrior unreachable.
lab1-suyan
- 自制的快速傅立叶变换函数,可以用来对比工具自带的fft函数,比较其执行时间随N值变化的情况-privately fast Fourier transform function can be used to contrast the instruments onboard fft function, compared with the time of its implementation N changes in the value of
lmf
- 线性调频信号的短时傅立叶变换,采用短时傅立叶变换得到线性调频信号的时频分析-linear FM signal short-time Fourier transform, using short-time Fourier transform linear FM signals in the time-frequency analysis
signal_and_system
- 包括信号的基本形式,卷积,傅立叶变换,s变换,z变换-signals including the basic form, convolution, Fourier transform, transform s, z, etc. Transform
mpcc
- MFCC,即倒谱系数,也是语音的一个特征之一,能够充分利用人耳的特性 % 具体的求法就是预处理,然后加窗,进行傅立叶变换,再求出功率普 % 然后得出其自然对数,最后进行dct变换 % 代码是用matlab写的,用到的一个语音工具箱,可以从网络上下载。-MFCC, that is, just a few pedigree, as well as a voice of one, to take full advantage of people's ears% of the spe
f_ifft
- OFDM中的关于快速傅立叶变换的个人设计的MATLAB的算法,比较经典的 !-OFDM on the Fast Fourier Transform personal design MATLAB algorithm, more classic!
ff
- 本程序是数字图像矩阵数据的显示及其傅立叶变换的应用-digital image data matrix display and the application of the Fourier transform
stft2
- 这个是短时傅立叶变换程序,希望对大家有用了!-This is a short-time Fourier transform procedures in the hope that it may be useful right!
fractional
- 分数傅立叶变换的源代码,可哟骂你过于图像处理,目标识别,信号检测等。尤其善于处理线性调频信号。-scores Fourier transform source code, you can yo scolded too image processing, target recognition, signal detection. Particularly good at handling linear FM signal.
P0301
- 数字图像矩阵数据的显示及其傅立叶变换 MATLAB-digital image data matrix display and Fourier Transform MATLAB
fft&conv
- 快速傅立叶变换和圆周卷积的通用MATLAB源程序,非常有参考价值
fouri
- 傅立叶变换源程序,简单的例子,主要对于初学者。-Fourier Transform source, the simple examples, mainly for beginners.
movie_cartoon
- %电影动画: %1.首先调用moviein函数对内存初始化.创建一个足够大的矩阵来容纳一系列指定的图形(帧) %2.调用getframe函数生成每一帧.该函数返回一个矢量,利用这个矢量创建一个电影动画矩阵 %3.调用movie函数按照指定速度进行指定次数的播放 %例子2:演示如何实现快速傅立叶变换(exp(j*2*pi/n))的可视化过程- Movie animation: 1. First transfers the moviein function to the me
tupiandefuliyebhuan
- 一幅图像的傅立叶谱 tupiandefuliyebhuan-an image of the Fourier spectrum tupiandefuliyebhuan
TFRSTFT
- 短时傅立叶变换(STFT)源代码,用语非稳态信号的时频联合描述,可直接用于matlab程序之中.无解压密码.-short-time Fourier transform (STFT) source code, the language of non-stationary signals to the joint time-frequency descr iption, Matlab can be used directly in procedures. No extract passwords.
TFRISTFT
- 逆短时傅立叶变换源代码.适合于非稳态的时频联合分析,可直接用于MATLAB编程,无解压密码.-inverse Fourier transform source code. Suited to the non-steady-state joint time-frequency analysis can be used directly in MATLAB programming, without extracting passwords.
M文件
- 对于离散傅里叶变换的学习理解很有帮助,同时有助于对MATLAB语言的练习。(It is helpful for the learning and understanding of discrete Fourier transform, and it is helpful for the practice of MATLAB language.)
信号单边快速傅立叶变换fft获得频域谱
- 信号单边快速傅立叶变换fft获得频域谱,可以快速完成信号的处理分析
离散傅立叶变换DFT matlab
- 信号与线性系统 4th ex9.4 离散傅立叶变换DFT