bagging

该程序仿真了QPSK调制和解调，并给出了详细的说明。(this program simulates the modulation and demodulation of Qpsk，giving details introduction。)

source code using principal component analysis and similirity matching with the ecludien distance this is an approach used for face recognition. this file also contains and test images

用matlab实现的isomap降维算法，该算法为论文原下载算法。(Use matlab to achieve the isomap reduction)

说明：  噪声中正弦信号的现代法频谱分析，采用了自相关法、Burg法、协方差法和改进协方差法，并分析了阶数和窗长度对Burg法的影响。(The modern frequency spectrum analysis of sinusoidal signal in noise adopts autocorrelation method, Burg method, covariance method and improved covariance method, and the influence of order and window length on Burg method is analyzed.)

实现希尔伯特-黄变换的功能，并带有一段测试数据。希尔伯特-黄变换是使用EMD分解将信号分解为本征模态函数（IMF），然后求得IMF分量的瞬时频率。其对于非稳态和非线性信号具有优良的效果。(The function plot_hht is a realization of the Hilbert-Huang transform (HHT). The HHT decomposes a signal into intrinsic mode functions (or IMFs), and obtain the instantaneous frequency data. It is designed to work well for data that are nonstationary and nonlinear.)

这个程序是对系数矩阵进行乔列斯基分解，并对线性方程组求解的通用程序(This program is the coefficient matrix Qiaoliesiji decomposition, solving linear equations and general program)

ldpc codes are low no. of ones and more no. of zeroes

基于蚁群算法动态寻路算法的matlab仿真程序(Dynamic routing based on ant colony algorithm matlab simulation program)

orthogonal frequency division multiplexing Matlab code for use

clustering with matlab