time-frequency-analysis

thnx for ur concern which helps me out simulink problems

基于svpwm（矢量控制技术）的永磁同步电机仿真模型，在simulink里面仿真(Based on svpwm (vector control technology) simulation model of permanent magnet synchronous motor, which in simulink simulation)

关于PCA方法的人脸识别的MATLAB算法，用于检测人脸部(PCA method for face recognition on the MATLAB algorithm for detecting human face)

说明：  某厂向用户提供发动机，合同规定，第一、二、三季度末分别交货40台、60台、80台．每季度的生产费用为 （元），其中x是该季生产的台数．若交货后有剩余，可用于下季度交货，但需支付存储费，每台每季度c元．已知工厂每季度最大生产能力为100台，第一季度开始时无存货，设a=50、b=0.2、c=4，问工厂应如何安排生产计划，才能既满足合同又使总费用最低．讨论a、b、c变化对计划的影响，并作出合理的解释(To provide users with a factory engine, contract, first, second and third quarter respectively, delivered at the end of 40, 60, 80. Quarterly cost of production (million), in which x is the quarter of the number of production. If the remaining after delivery, can be used for delivery next quarter, subject to payment of storage fees, for each element c of each quarter. The largest known plant production capacity of each quarter to 100, the beginning of the first quarter of stock, set up a = 50, b = 0.2, c = 4, asked how to arrange the production of the factory plans to meet the total cost of the contract makes the minimum . Discussion of a, b, c of the impact of change on the plan and make a reasonable explanation)

k-mean algorithme computation

《MATLAB仿真在通信与电子工程中的应用 》第10章 声学仿真试验的matlab代码。(" MATLAB simulation in communication and Electronic Engineering" Chapter tenth acoustic simulation matlab code.)

自己编写的多项式拟合程序，阶数可选择，里面含有一个数据文件，下载即可运行，使用过程中也可以用自己的数据。(themselves prepared polynomial fitting procedure, the option order, which contains a data file can be downloaded operation, the use of the process can also use their own data.)

This MATLAB program calculate the fractal dimension using Higuchi method.It also show its relationship with the theoretical values.

nearestSPD works on any matrix, and it is reasonably fast. As a test, randn generates a matrix that is not symmetric nor is it at all positive definite in general.

合成孔径雷达（SAR)目标成像仿真，课程设计时编写的matlab程序代码，相控阵天线的方向图（切比雪夫加权）。( Synthetic Aperture Radar (SAR) imaging simulation target, Course designed to prepare the matlab program code, Phased array antenna pattern (Chebyshev weights).)