整理好的数字图像相关算法，matlab编写

matlab code for defocousing an image

MATLAB仿真各种窗函数（汉明窗、矩形窗、凯瑟窗等）的性能分析(MATLAB simulation of a variety of window function (Hamming window, rectangular window, etc.) performance)

智能控制理论中课程设计的一个实例，是bp-pid控制的一个针对非线性的matlab课程设计任务书和源代码。(Intelligent control theory in an example of curriculum design is a bp-pid control design for nonlinear matlab program mission statement and source code.)

基于定义法计算Lyapunov指数。只要在matlab命令窗口中直接输入文件中函数的名称即可。(calculated based on the definition of Lyapunov exponent. Matlab as long as the order window directly onto the document function name instead.)

distribution-system in the matlab mfile

这是一个相对完整的OFDM通信系统的仿真设计，包括编码，调制，IFFT，上下变频，高斯信道建模，FFT，PAPR抑制，各种同步，解调和解码等模块，并统括系统性能的仿真验证了系统设计的可靠性。(This is a relatively complete simulation of OFDM communication system design, including coding, modulation, IFFT, down conversion, Gaussian channel model, FFT, PAPR suppression, various synchronization, demodulation and decoding modules and system performance omnibus simulation system design reliability.)

利用STFT可以估计信号在每片短时窗内的频率得到信号的瞬时频率，该曲线由一组时间和频率相对应的点组成，反映了信号频率随时间的变化。(Using STFT can estimate the frequency of the signal in every piece of short-time window get signal instantaneous frequency, the curve consists of a set of time and frequency of corresponding points, reflects the signal frequency changes over time. )

多目标的粒子群算法例程，可以通过该粒子群遗传优化算法，进行matlab编程仿真，得到优化结果(Particle Swarm Optimization)

计算火箭发动机推力室的喷气速度随喷管压强比和喷管面积比变化的规律(Jet speed calculation rocket engine thrust chamber with the nozzle pressure ratio and nozzle area ratio changes in the law)

树形曲线 迭代绘出类似树枝的曲线 第k次迭代产生节点数为nk，第k+1次迭代产生节点数为nk+1-shuxingquxian