BP

this code is about different types of digital communications

LIBSVM 是台湾大学林智仁 (Chih-Jen Lin) 博士等开发设计的一个操作简单、易于使用、快速有效的通用 SVM 软件包，可以解决分类问题（包括 C- SVC 、n - SVC ）、回归问题（包括 e - SVR 、 n - SVR ）以及分布估计（ one-class-SVM ）等问题，提供了线性、多项式、径向基和 S 形函数四种常用的核函数供选择，可以有效地解决多类问题、交叉验证选择参数、对不平衡样本加权、多类问题的概率估计等。(LIBSVM is林智仁Taiwan University (Chih-Jen Lin) Dr. develop design a simple, easy to use, fast and effective generic SVM software package, can solve the classification problems (including the C-SVC, n- SVC), regression ( including e- SVR, n- SVR) as well as the distribution of estimates (one-class-SVM) and so on, provides a linear, polynomial, radial basis function and the S-shaped kernel function of four commonly used for selection, can effectively to solve a wide range of issues, cross-validation to choose the parameters of the imbalance in the weighted sample, multi-category probability estimation.)

详解MATLAB在最优化计算中的应用中第11章的源码。没有的可以下载(Detailed MATLAB source in the optimization calculation of Chapter 11. Not available for download)

a c program for simulation of system call ls -l .

仿真图是速度、距离、幅度三维图像，合成孔径雷达（SAR)目标成像仿真，可以广泛的应用于数据预测及数据分析。( FIG simulation speed, distance, amplitude three-dimensional image, Synthetic Aperture Radar (SAR) imaging simulation target, Can be widely used in data analysis and forecast data.)

Parametric analysis method for knock detection in injection engine

code for show a ecography using beam forming

alpha稳定分布概率密度函数产生，应用于水声环境中混响噪声信号概率密度的建模，以便于研究水下信号传输(alpha stable distribution probability density function generator, used in underwater acoustic environment reverberation noise signal probability density modeling, in order to study the underwater signal transmission)

QC-LDPC的一种构造方法，包括论文及其中的仿真代码。(A method for constructing QC-LDPC, including the papers and the simulation code.)

说明：  pid controller optimization with partical swarm optimization technique along with pid model mdl file