HW3

对ofdm系进行了仿真，信号的传输过程和接收过程(simulation of ofdm system ,include signal transmission ,reception)

说明：  关于飞机控制系统的可靠性仿真，很好的一篇论文(reliability simulink of aircraft environment control system)

变尺度法DFP求函数极小点（个人编写，改变函数、即可使用）(DFP DFP minimum point of a function)

考察ＬＭＳ算法的收敛性： （１） 步长因子的变化对算法收敛的影响； （２） 权初值的设置对算法收敛的影响 (Examine the convergence of the LMS algorithm: (1) changes in the step factor on the convergence of the algorithm (2) The right of the initial value set on the convergence of the algorithm)

bp神经网络预测，根据三个输入参数预测，经测试可用。(BP neural network prediction, forecast based on three input parameters used by the test.)

遗传算法的Matlab源代码，能直接运行，适合初学者，很容易上手。(Genetic algorithm Matlab source code, can be directly run, suitable for beginners, very easy to use.)

四步相移法测量圆柱横截面形貌,主要利用四步相移法求相位的模拟实验(Four-step phase shift method to measure the cylindrical cross-section morphology, the main use of the four-step phase shift method for the simulation phase)

实现卡尔曼滤波功能，建立了一个对位置观测的系统，同时加入了速度噪声，完成了Matlab的仿真。(Kalman filtering, established a system of observation position, while adding speed noise, completed the Matlab simulation.)

fft快速滤波，用fft实现序列的快速滤波(fft fliter)

提高MATLAB程序运行效率的方法大全。(A gathering of methods to shorten the processing time in MATLAB. )