task1

提高风力机将风能转化为机械能的效率，根据我国西北地区的风频风能曲线，用最优设计攻角沿叶片轴线的非线性分布修正传统Wilson算法，优化设计大型水平轴风力机叶片的气动性 能．该优化设计利用Madab优化工具箱，优化速度干涉因子的迭代计算，提高计算效率；考虑多翼型和变攻角等因素对叶片外形优化的影响，从结构及加工工艺角度修正翼型．通过对1．2MW风力发电机组叶片外形的气动性能计算和优化设计，结果表明该优化设计的有效性和可行性，可为风力机叶片外形设计提供参考．(Improve wind turbine wind energy into mechanical energy efficiency, according to the Northwest China wind frequency wind power curve, optimum design angle of attack along the blade axis of traditional non-linear distribution correction Wilson algorithm to optimize the design of the aerodynamic performance of the large-scale horizontal axis wind turbine blades . The Optimal Design Optimization Toolbox Madab optimized for speed interference factor iterative calculation to improve computational efficiency consider multi-airfoil and change the angle of attack and other factors on the blade shape optimization, airfoil from the structure and processing angle correction. By 1.2MW wind turbine blade shape aerodynamic performance calculation and optimization design, the results show that the effectiveness and feasibility of the optimized design can provide a reference for the wind turbine blade shape design.)

读取IGS文件（观测文件*.*o 广播星历*.*n；精密星历*.sp3；修正电离层对流层）。均是matlab函数形式，可直接用于GPS matlab数据处理(reading IGS files (oberservation file*.*o navigation files*.*n precise orbit*.sp3) correct errors of Ionosphere delay and Tropsphere delay)

RS 码译码源程序,在Visual c++下可对比4元域上的RS码进行纠错译码.(RS decoder source, in Visual c contrast under four yuan domain of RS error correction code for decoding.)

fbr核 kpcaKPCA的提出者亲自写的程序 (the fbr the nuclear kpcaKPCA the author himself wrote program)

OPTIMIZATION OF A WIND TURBINE ROTOR WITH VARIABLE AIRFOIL SHAPE VIA A GENETIC ALGORITHM

说明：  实现了求ARMA模型的两种算法，用matlab实现(ARMA model for the realization of the two algorithms, with the realization of matlab)

pps.tv进程专杀,可以设置为开机计划任务，自动清除安装pps.tv后自动运行的两个进程：ppskernel和ppsprotec,这两个进程大量占用网络带宽。(pps.tv process kill tool)

三维激光扫描的点云，如果是在一个面上，用局部小邻域拟合出平面(3D laser scanning point cloud, if it is on one side, with small local neighborhood fitting plane)

《先进PID控制及其仿真》，讲述了如何在MATLAB环境下对各种PID算法的仿真，很有价值的一本书(" Advanced PID Control and Simulation" , describes how under the MATLAB environment for the simulation of various PID algorithm, the value of a book)

快速傅里叶变换 (FFT) 实现，给定信号x(t)=sin(2πf0t)，f0=50Hz，对x(t)以fs=200Hz进行抽样，抽样点数为N=16。编写程序实现对x(n)的快速傅里叶变换，求得相应的X(K)。(Fast Fourier Transform (FFT) to achieve a given signal x (t) = sin (2πf0t), f0 = 50Hz, for x (t) with fs = 200Hz sampling, the sampling points is N = 16. Procedures for the preparation of x (n) of the fast Fourier transform, obtained by the corresponding X (K).)