x-signal

说明：  惯性导航系统工具箱 能有效帮助仿真惯性导航系统(Inertial navigation system simulation toolbox can be effective in helping inertial navigation system)

In this paper, we study cost-sensitive semi-supervised learning where many of the training examples are unlabeled and different misclassification errors are associated with unequal costs. This scenario occurs in many real-world applications. For example, in some disease diagnosis, the cost of erroneously diagnosing a patient as healthy is much higher than that of diagnosing a healthy person as a patient. Also, the acquisition of labeled data requires medical diagnosis which is expensive, while the collection of unlabeled data such as basic health information is much cheaper

遗传算法（Genetic Algorithm）是模拟达尔文生物进化论的自然选择和遗传学机理的生物进化过程的计算模型，是一种通过模拟自然进化过程搜索最优解的方法(Genetic Algorithm)

这是一个基于空时分组编码的MIMO_OFDM通信系统的仿真设计。此系统包括QPSK调制解调解调，IFFT调制，空时编解码，基于训练符号的信道估计等通信模块。 (This is a space-time block coding based simulation design MIMO_OFDM communication systems. This system includes a QPSK modulation and demodulation demodulation, IFFT modulation, space-time coding and decoding, channel estimation based training symbol communication module.)

机器学习中的垃圾邮件分类程序，用matlab做的。从以下链接下载垃圾邮件数据（spam data）：(数据已下载，放在spambase.zip) http://www-stat.stanford.edu/~tibs/ElemStatLearn/index.html 该数据包含57个邮件信息相关的变量，每条邮件可以被分类为垃圾邮件（Y=1）和非垃圾邮件（Y=0）。输出Y的值在文件中每一列的末尾。练习的目标是要预测电子邮件是否为垃圾邮件。 (Machine Learning spam classification procedures, using matlab to do. Data (spam data) from the following link to download the junk mail: (data has been downloaded, put spambase.zip) http://www-stat.stanford.edu/ ~ tibs/ElemStatLearn/index.html The data includes 57 e-mail messages related variables, each message can be classified as spam (Y = 1) and non-spam (Y = 0). Y value of the output end of each column in the file. The goal is to predict exercise email is spam.)

该程序是由matlab语言针对_先进PID控制及其MATLAB仿真_编写的,希望对大家有用(That the procedure was _ by the matlab language for advanced PID control and MATLAB simulation _ prepared, in the hope that useful to everybody)

Program to solve the power system economic dispatch

LDPC算法中，PEG、LDPCRU和ldpcc_MaxLogSPA算法C语言实现，包含全部的工程文件。(LDPC algorithm, PEG, LDPCRU and ldpcc_MaxLogSPA algorithm C language, with all of the project files.)

matlab实现区域生长，以鼠标单击图像中一点设定初始种子点。(using matlab to achieve regional growth.need to use the mouse to click one point of the image to sets the initial seed point.)

三相电压型SPWM逆变器在通用变频器中使用很广泛，在simulink中搭建的仿真模型(Three-phase voltage type PWM inverters are widely in simulink simulation model of the building in general inverter)