ofdma-scfdma

K均值算法描述： 给定类的个数K，将N个对象分到K个类中去， 使得类内对象之间的相似性最大，而类之间的相似性最小。(K-means algorithm described: a given number of classes K and N objects assigned to the K-th class, so that objects within the class of the similarity between the maximum, while the similarity between the minimum class.)

基于DCT的图像信息隐藏于提取，隐藏位置为随机数列确定(DCT-based image information hiding in the extraction, hidden location to determine a random series)

1．通过实验加深对快速傅立叶变换（FFT）基本原理的理解。 2．了解FFT点数与频谱分辨率的关系，以及两种加长序列FFT与原序列FFT的关系。 离散傅里叶变换（DFT）和卷积是信号处理中两个最基本也是最常用的运算，它们涉及到信号与系统的分析与综合这一广泛的信号处理领域。实际上卷积与DFT之间有着互通的联系：卷积可化为DFT来实现，其它的许多算法，如相关、滤波和谱估计等都可化为DFT来实现，DFT也可化为卷积来实现。(1. Deepen the experimental fast Fourier transform (FFT) the basic tenets of understanding. 2. Understand the FFT spectrum and points of the resolution, and two extended sequence with the original FFT FFT relations. Discrete Fourier Transform (DFT) and the convolution of two signal processing is the most commonly used basic arithmetic, they relate to the signal and system analysis and synthesis of the wide range of signal processing field. DFT actually convolution and interoperability between contact : DFT into convolution can be achieved in many other algorithms, If relevant, filtering and spectral estimation could be achieved as DFT, DFT into convolution can be achieved.)

speaker recognition using hmm

RAMP response of SISO LTI models.

面对大量的交通参数数据,如何快速建立高效的分类预测模型以尽快地对拥堵状态进行判别是一个重要的问题(Face a lot of traffic parameter data, how to quickly establish an efficient classification model to predict the state as soon as possible to discriminate on the congestion is an important issue)

说明：  著名的灰色预测模型，用于人口、经济、资源等的发展预测( Famous gray prediction model for population, economy, resources, development of forecast )

基于DCT数字水印算法的Matlab实现源代码(DCT-based digital watermarking algorithm Matlab source code)

pca数据降维程序，包括取均值、计算协方差矩阵等详细步骤。(the pca Data dimensionality reduction procedures, including averaging, calculated covariance matrix detailed steps.)

实现ITU-R P.676中的天顶方向的大气衰减(the function to calculate the gas attenuation in ITU-R P.676)