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详细介绍了升余弦滤波器的计算和与其它滤波器的性能比较。(Raised cosine filter is described in detail the calculation and comparison with the performance of other filters.)

2D Wave equation Model forwarding by the method of pesudo-spectrum.

该matlab程序是IEEE 802.11b的物理层仿真程序，仿真了1Mbps下DBPSK调制方式的BER(this is a matlab programme which simulat the ber of IEEE 802.11b with DBPSK in 1Mbps.)

dfig的建模，有些参数还未设定调试，可以自己调试(dfig the modeling, some parameters have not yet set the debug)

BOC(1,1)的编码，BOC(1,1)的功率谱密度，可以完美运行，对做BOC编码的人很有用途(BOC (1,1) code, BOC (1,1) power spectral density, can run perfectly on the very people who make use of BOC coding)

有限时域差分算法计算Mie散射有限时域差分算法计算Mie散射(Finite-difference time-domain algorithm to calculate the Mie scattering)

采用栅格对机器人的工作空间进行划分，再利用优化算法对机器人路径优化，是采用智能算法求最优路径的一个经典问题。目前，采用蚁群算法在栅格地图上进行路径优化取得比较好的效果，而利用遗传算法在栅格地图上进行路径优化在算法显得更加难以实现。 利用遗传算法处理栅格地图的机器人路径规划的难点主要包括：1保证路径不间断，2保证路径不穿过障碍。 用遗传算法解决优化问题时的步骤是固定的，就是种群初始化，选择，交叉，变异，适应度计算这样，那么下面我就说一下遗传算法求栅格地图中机器人路径规划在每个步骤的问题、难点以及解决办法。(It is a classical problem to divide the workspace of the robot by grids and optimize the path of the robot by using optimization algorithm. At present, the ant colony algorithm is used to optimize the path on the grid map, and the genetic algorithm is used to optimize the path on the grid map, which is more difficult to achieve. The difficulties of using genetic algorithm to deal with the path planning of robot on raster map mainly include: 1. guaranteeing that the path is uninterrupted, 2. guaranteeing that the path does not cross obstacles. The steps of genetic algorithm in solving optimization problems are fixed, that is, population initialization, selection, crossover, mutation, fitness calculation. Then I will talk about the problems, difficulties and solutions of genetic algorithm in each step of robot path planning in raster map.)

运用谱减法，对语音信号进行去噪处理并比较处理前后的信噪比(Using spectral subtraction to denoise the speech signal and compare the signal to noise ratio before and after processing)

说明：  Matlab数学实验，约束优化的算法Matlab的实现(Matlab mathematical experiment, constrained optimization algorithm to achieve Matlab)

本人搭建的Matlab风电模型、直驱2MW的，研究塔架振动的(I set up the Matlab, 2 mw direct-drive wind model, the mode of vibration，PMSG)