Matlab03

对噪声信号中的正弦信号，通过Pisarenko谐波分解方法、Music算法和Esprit算法进行频率估计，信号源是： 其中， ， ， ； 是高斯白噪声，方差为 。使用128个数据样本进行估计。 1、用三种算法进行频率估计，独立运行20次，记录各个方法的估计值，计算均值和方差； 2、增加噪声功率，观察和分析各种方法的性能。(Sinusoidal signal in the noise signal through the Pisarenko harmonic decomposition method, Music algorithms and Esprit frequency estimation algorithm, the signal source is: where,,, a Gaussian white noise, variance. 128 data samples used to estimate. 1, with three kinds of frequency estimation algorithm, run independently 20 times, record the estimated value of each method to calculate the mean and variance 2, the increase in noise power, observation and analysis of the performance of various methods.)

rayleigh信道的仿真，matlab的(Rayleigh channel simulation, matlab)

MATLAB电力系统设计与分析. 对Matlab软件在店里系统建模和仿真中的应用作了详细的介绍。同时列举了大量详细的例子。(MATLAB power system design and analysis. Of Matlab software in the store system modeling and simulation of the application in detail. At the same time, listed a large number of detailed examples.)

用于生成一定齿数一定直径的摆线轮线型，输出的文本文件可与数控机床相链接，直接用于生产加工。(Used to generate a certain number of teeth a certain diameter of the cycloidal linear, the output text file that can be linked with the CNC machine tools directly used in production and processing.)

imfreqfilt函数 对灰度图像进行频域滤波 参数I 输入的空域图像 参数ff 应用的与原图像等大的频域滤镜( imfreqfilt function for gray image frequency domain filtering Parameters I entered the airspace image)

HHT的MATLAB程序实现，对每个语句都有注释和说明。(HHT of the MATLAB program for each statement has notes and instructions.)

采用遗传算法和例子群算法进行优化，可以采用试验设计方法构建试验样本，用Kriging方法构建适应度函数，然后进行优化求解，记住，采用此程序是，应该安装Kring工具箱子(Using genetic algorithm and example of algorithm optimization, experimental design method can be used to build the test sample, with the Kriging method constructing fitness function, and then optimized solution, remember, is using this program, should be installed Kring tool box)

说明：  利用随机方法产生-1 +1 分布的白噪声(using random methods-1 1 distribution of white noise)

应用matlab仿真改进A*算法在三维地形上的寻径过程(Application matlab simulation on improved A* algorithm in three-dimensional terrain routing process)

说明：  由 得到幅频响应 。系统函数 由下式给出： （A.1） 若 ，则 为一全极点IIR系统，若 ，则 为FIR系统(By the frequency response obtained. System function is given by: (A.1) if, compared to an all-pole IIR system, if, for the FIR system)