用PCA加SVM对图像进行分类，以及交叉验证

training phase of speech recognition project

Single Carrier FDMA

this matlab code is used to deblurred the image. it denoise the gaussian noise from the image.

特征空间方法是现代谱估计的重要方法之一。针对噪声中的复正弦信号的模型，通过特征矢量的方法进行信号空间的分解。通过将信号空间分解为谐波信号空间和噪声信号空间这两个相互正交的空间的方法进行谱估计。Pisarenko,Music,ESPRIT算法都是这一类方法的重要算法。我们通过对不同算法进行比较分析不同算法在各种状况下的表现性能。并针对ESPRIT算法的各种改性和提升进行对比和测试。(Feature space is one of the modern spectral estimation method. Complex sinusoidal signal for the noise model, by the method of the feature vector for the decomposition of the signal space. By decomposition of the signal space to the space harmonic signal and the noise signal space, the method of the two mutually orthogonal spatial spectrum estimation. Pisarenko, MUSIC, ESPRIT algorithm is an important algorithm of this type of method. Different algorithms, our comparative analysis of the performance of different algorithms performance under a variety of conditions. And for a variety of modification and upgrading of the ESPRIT algorithm to compare and test.)

he basic idea of the method of bisection is to start with an initial interval, [a0,b0], that is chosen so that f(a0)f(b0) < 0. (This guarantees that there is at least one root of the function f(x) within the initial interval.) We then iteratively bisect the interval, generating a sequence of intervals [ak,bk] that is guaranteed to converge to a solution to f(x) = 0.

利用matlab 产生chirp信号 包含源文件 附带幅频特性 (the way to gengrate chirp signals)

CDMA2000调制扩频与解调解扩的MATLAB仿真(CDMA2000 spread spectrum modulation and de conciliation spread MATLAB simulation)

这是一个基于matlab的阻尼振荡电路仿真文章，文件大小为230K。希望对大家有帮助(This is a matlab-based simulation of the damping oscillation circuit article, the file size is 230K. Hope to help)

经典的music 定位算法，matlab仿真简单易懂(Classical music location algorithm, matlab simulation easy to understand)

Creates the diffuse noise for a set of microphones in a closed room with various powers based on the positions of the microphones.