frft

this is the matlab code for pcm "pulse code modulation"

说明：  Matlab数据挖掘分析与实战教程，包括matlab基础知识与机器学习算法，实战部分包含10大具体实例及讲解(Tutorial of Matlab data mining analysis)

有关风机模拟的psm矢量控制内容，有关的人可以参考(Psm simulation on the fan the contents of vector control, the person can refer to)

小波分解用在信号识别上面。所用信号有，单载波信号和OFDM信号以及另一种多载波信号WPM。对做信号处理和识别方面的朋友会很有帮助。(Wavelet decomposition used in the signal recognition above. Signals are used, single-carrier signals and OFDM signals, and other multi-carrier signal WPM. Do signal processing and identification of areas friend would be helpful.)

《最优化方法及其Matlab程序设计》较系统地介绍了非线性最优化问题的基本理论和算法，以及主要算法的Matlab程序设计，主要内容包括（精确或非精确）线搜索技术、最速下降法与（修正）牛顿法、共轭梯度法、拟牛顿法、信赖域方法、非线性最小二乘问题的解法、约束优化问题的最优性条件、罚函数法、可行方向法、二次规划问题的解法、序列二次规划法等。(" Optimization Methods and Matlab programming" more systematic introduction to the basic theory and algorithms nonlinear optimization problem and the main algorithm Matlab programming, the main contents include (exact or non-exact) line search technique, the steepest descent method and (corrected) Newton method, conjugate gradient method, quasi-Newton method, trust region methods, solution of nonlinear least squares problems, constrained optimization problem optimality conditions, penalty function method, feasible direction method, quadratic programming problems The solution, the sequential quadratic programming method.)

1.求解机器人的正逆解 2.采用遗传算法对机器人进行路径规划(1. positive and inverse solutions for solving robot 2. genetic algorithm for robot path planning)

说明：  energy management in smart grid

当惯性权值不变的情况下取不同的值，c取值为1.5和2(When the inertia right under the condition of invariable value take different values)

采用带宽为3，中心频率为3的复morlet小波对示例信号进行了分析，并绘出时频图。(Using bandwidth of 3, center frequency is 3 complex morlet wavelet to sample signal is analyzed, and draw the time-frequency diagrams.)

说明：  摄像机标定matlab_cameral_colabration(Camera calibration matlab_cameral_colabration)