selection-about-harris

说明：  关于PSO优化后文本聚类的算法--MATLAB(Text on the PSO clustering algorithm optimized- MATLAB)

简单潮流计算的小程序，相关的原始数据数据数据输入格式如下： B1是支路参数矩阵，第一列和第二列是节点编号。节点编号由小到大编写 对于含有变压器的支路，第一列为低压侧节点编号，第二列为高压侧节点 编号，将变压器的串联阻抗置于低压侧处理。 第三列为支路的串列阻抗参数。 第四列为支路的对地导纳参数。 第五烈为含变压器支路的变压器的变比 ( Simple little program flow calculation, the raw data of the data related to data entry format is as follows: B1 is the slip parameter matrix, the first column and second column is the node number. Node number from small to big with the transformer for the preparation of slip, the first as the low pressure side of the node number, the second as a high-pressure side of the node number, the series impedance of the transformer low voltage side of the deal placed. As the third branch of the serial impedance parameters. Fourth as a slip of the ground admittance parameters. Strong as with the fifth branch of the transformer transformer turns ratio )

simulation of communication systems and software defined radio from the book chapter 3

包含飞行器飞行中的姿态控制，如侧滑角，倾斜角，滚转角，俯仰角，添加噪声处理，基于chebyshev的水声信号分析。( It comprises aircraft flight attitude control, such as slip angle, tilt angle, roll angle, pitch angle, Add noise processing, Based chebyshev underwater acoustic signal analysis.)

说明：  用matlab语言写的EM(Expectation maximization)算法,用于模式分类(Matlab language used to write the EM (Expectation maximization) algorithm for pattern classification)

C表示 n个城市的坐标，为n×2的矩阵 NC_max为最大迭代次数 m表示蚂蚁个数 Alpha 表征信息素重要程度的参数 Beta 表征启发式因子重要程度的参数 Rho 信息素蒸发系数 Q 信息素增加强度系数 R_best 各代最佳路线 L_best 各代最佳路线的长度(C indicated that the coordinates of n cities, in order to n × 2 matrix NC_max maximum number of iterations m, said the number of Alpha characterization of ant pheromones importance of the parameters of Beta characterization of the parameters of heuristic importance of Rho factor pheromone pheromone evaporation coefficient Q increase the strength factor R_best generations of the best route L_best the length of each generation of the best route)

Ask、fsk、psk各做一个调制与解调的实验仿真 再做一个三个的结果（误码率）比较，通过图像对输出结果进行对比， 每个仿真的输出结果可随输入数据的改变而相应改变 课程设计需要运用MATLAB编程实现ASK,FSK,PSK，调制解调过程，并且输出其调制后的波形，画出频谱、功率谱密度图，并比较各种调制的误码率情况，讨论其调制效果 (Ask, FSK, PSK each simulation a modulation and demodulation 再做一个三个的结果（误码率）比较，通过图像对输出结果进行对比， Another three results (BER) by comparison, image are compared to the output results, 每个仿真的输出结果可随输入数据的改变而相应改变 The output of each simulation results with the input data and the corresponding change to change 课程设计需要运用MATLAB编程实现ASK,FSK,PSK，调制解调过程，并且输出其调制后的波形，画出频谱、功率谱密度图，并比较各种调制的误码率情况，讨论其调制效果 Curriculum design needs to realize ASK, using MATLAB FSK programming, PSK, modulation and demodulation process, and the output of the modulated waveform, draw the spectrum, power spectrum density diagram, bit error rate and to compare the different kinds of modulation, discusses the modulation effect )

实现汉明码的编码和译码，可设定误码位置，查看纠错效果。(Achieve Hamming encoding and decoding, error location can be set to see the error correction effect.)

滤波求和方式实现宽带波束形成，用MATLAB实现动态聚类或迭代自组织数据分析，匹配追踪和正交匹配追踪。( Filtering summation way broadband beamforming, Using MATLAB dynamic clustering or iterative self-organizing data analysis, Matching Pursuit and orthogonal matching pursuit.)

以最小均方算法为约束条件的自适应波束形成(Adaptive beamforming with the minimum mean square algorithm as the constraint)