simulink

可行方向法，用于无约束优化的作业所制作，请大家指教(Possible direction method, used for unconstrained optimization of assignments)

现代信号处理中的功率谱估计的协方差算法。程序直观明了。(the algorithm in modern signal processing.)

matlab使用入门介绍，说明了matlba的语句，结构控制，工具箱使用等(using matlab)

用AR模型和SIMIU功率谱模拟脉动风，在叠加平均风，得到风序列(SIMIU power spectrum with AR model and simulate the fluctuating wind , the average wind overlay, get wind sequence)

单相整流器的电流电压双闭环控制仿真图，通过对电流环电压环进行解耦实现(Single-phase rectifier current and voltage double-loop control simulation diagram, by decoupling the current loop voltage loop)

对加噪信号进行奇异值分解。对奇异值计算其熵特征(Plus noise signal on the singular value decomposition. Calculate the entropy for the singular value feature)

产生不同阶次的傅立叶频谱，展现更丰富的信息(Generating Fourier Spectrum of Different Order)

对二进制序列进行APSK调制，绘出调制后的波形(APSK binary sequence modulation, the modulated waveform drawn)

短时傅里叶变换函数，用以实现信号的短时傅里叶变换，观察时频图(Short-time Fourier transform functions to implement short-time Fourier transform signal, when observed frequency diagram)

利用有限差分法 (Finite Differential Method, FDM)将场域离散为许多小网格，应用差分原理，将求解连续函数的泊松方程问题转换为求解网格节点上的差分方程组的问题。(The use of finite difference method (Finite Differential Method, FDM) will field for many small discrete grid, the application of differential principle, the continuous function for solving Poisson' s equation for solving the problem is converted to grid nodes on the issue of differential equations.)