Numerical

实现PID解耦控制算法，适应焦炉集气管压力系统(To achieve decoupling PID control algorithm to adapt to Coke Oven Collector Pressure System)

：给出了一种提取特征点的新方法和合理的特征不变量。该方法根据三角不等式原理利用第三边与另 外两边之和的比值大小来确定角点，以特征点和它相邻的两个特征点所形成的两条直线的夹角正切值以及三角形 第三边与另两边和的比值作为特征不变量。这种特征提取的方法简单，并且由于扩大了模板取值范围，使识别效果受特征点漏检的影响较小。实验表明，该方法不仅简便，而且效果良好。(: In this paper, a new feature point extraction method and the characteristics of rational invariants. The method is based on the principle of triangle inequality with the use of the third side and both sides of the ratio of the size to determine the Corner to feature point and its two adjacent feature points formed by the angle between two tangent linear and the third triangle on both sides and edges with another feature of the ratio as a variable. This feature extraction method is simple, and as a result of the expansion of the scope of the template values to identify the effect of feature points by the impact of smaller undetected. Experiments show that the method is not only simple, but effective.)

说明：  武汉理工大学的程磊上传非常有用的MATLAB时频分析工具箱(Wuhan University of Technology Cheng Lei upload very useful time-frequency analysis of MATLAB Toolbox)

matlab中计算全局空间自相关性程序代码，(The matlab calculated global spatial autocorrelation program code)

基于神经网络下的《MATLAB神经网络30个案例分析》程序(Based on Neural Network under " MATLAB neural network 30 Case Studies" Program)

物理层网络编码中的两个8PSK调制信号叠加形成的信号星座图(The physical layer network coding in the superposition of two 8 PSK modulation signal constellation diagram)

说明：  垂直阵测量误差分析及甚宽频带恒定束宽性能，吴国清的论文(Vertical array analysis and measurement error is very broadband constant beamwidth performance, Wu Guoqing papers)

详细的各种元器件封装对照图，可以找到我们经常使用到的元器件。(Detailed map of various components of the control package, you can find the components we often used.)

很有用的时频分析工具，内附各个函数的说明，方便调用。(Very useful tool for time-frequency analysis, containing a description of each function, easy call.)

Inverter control_SVPWM