coal_forecast

spectral simulation and analysis in EPR

说明：  用MATLAB观察DDS输出波形 用MATLAB观察DDS输出波形 (Using MATLAB to observe DDS output waveform using MATLAB observation DDS output waveform)

说明：  多分类孪生支持向量机,主体是-1 1的2分类孪生支持向量机，采用onevsone改编成多分类的孪生支持向量机(multi classification twin support vector machine, kernel code is binary-classification twin support vector machine ,constructed it as a multi classification twin support vector machine by using OneVsOne coding)

说明：  有限元结构计算中，梁单元两节点（12自由度）的全局坐标系-局部坐标系转换(Global coordinate system to local coordinate system transformation of two nodes (12 degrees of freedom) of beam element in finite element structural calculation)

悬臂梁频率方程计算；将完整模型与损伤模型进行对比分析(Beam frequency equation to the full model were compared with the damage model)

平面刚架结构计算，能够输出结构内力和位移图形。但是在用之前要自己编辑节点信息和作用力信息(Plane frame structure calculation)

一个有限长序列,用matlab实现其N=100的DFT。给出其幅度与相位曲线，并讨论其相关性质。 (A finite-length sequence, using matlab to achieve its N = 100 of the DFT. Given its magnitude and phase curves, and discuss their related properties.)

model maintain the level of water at the pump station

matlab中SSA子函数，已调试通畅，直接调用，无需折腾。(matlab in SSA Functions, debugging smooth, direct calls, no toss.)

使用矩量法计算微带天线的特征阻抗，用户需自行更改其中的天线的几何尺寸和工作频点．(Calculated using the method of moments microstrip antenna characteristic impedance, the user need to change one of the antenna geometry and frequency.)