非常成功的matlab代码

异步电机的无速度传感器的矢量控制。matlab程序。有详细的说明文件。用于交流学习用。(Induction motor speed sensorless vector control. matlab program. Detailed documentation. Used for the exchange of learning.)

说明：  基于EC算法的自适应波束形成技术的仿真程序，运行正确 (Simulation program of the EC algorithm-based adaptive beam forming technology, the right to run)

Matlab仿真：采样次数与信号的信噪比的关系曲线图。(Matlab simulation: the number of samples and the signal to noise ratio of a plot.)

在matlab平台下实现仿真CDMA码分多址通信信号调制信号产生、瑞丽衰落信道以及RAKE接收机的仿真测试程序，能够测议等(In the matlab platform for simulation CDMA code division multiple access communication signals modulated signal generator, Ruili fading channel and the RAKE receiver simulation test program to test proposed, etc.)

说明：  在matlab环境下，对图像中的单个目标进行标号(In the matlab environment, the image of a single target labeling)

假定半波长间隔均匀分布线列布阵的阵元数N=16，若入射平面波为f=62.5Hz的正弦信号，信号持续时间为0.4s， 系统采样频率 =1 KHz,阵列加权为均匀加权，分别给出 a)当平面波信号分别从 0,10,20,30,40,50,60,70,80,90,100度方向入射时，指向90度的波束形成器的输出序列； b)当平面波信号分别从0:1:180度方向入射时，指向90度的波束形成器的输出序列经过平方求和后的分贝数输出（把所有181个输出绘制在同一幅图中)(Assuming N=16, f=62.5, fs=1KHz, uniform weight, and the code gives: a) 90 degree response when incidence angles are: 0: 10: 100 degrees b) 90 degree spectral response when incidence angles are: 0:1:180 degrees )

8阵元（均匀圆阵）的MUSIC算法matlab仿真程序(8 array elements (uniform circular array)-MUSIC algorithm matlab simulation program)

Function for scan type 4

针对永磁同步电机常规直接转矩控制系统涉及到的问题,例如磁链的准确观测、定子电阻的变化、电压矢量开关表的改进以及滞环控制器的改进等等,本文都作了详细的分析,并提出了改进方案。为了提高系统的性能,本文将空间矢量调制的方法引入了常规直接转矩控制中,并在此基础上,对永磁同步电机无速度传感器问题作了详细的分析,总结了国内外的研究热点,提出了采用转子磁链矢量为基础的永磁同步电机直接转矩控制速度估计方法。仿真结果表明,该方案具有很好的动、静态特性。(Firstly, the paper analyzes the principle of direct torque control of permanent magnet synchronous motor and elaborates the impact of space voltage vector of the stator flux and the electromagnetic torque.Secondly, the paper introduces direct torque control of permanent magnet synchronous motor SVPWM technology.Under the same hardware conditions,the system can obtain More continuous voltage space vector by taking advantage of SVPWM.The simulation results show the program not only keeps the direct torque control fast dynamic response, but also reduce the motor torque ripple.)

ZigBee network wireless sensor networks This document describes software examples for the CC2430 System-on-Chip solution for IEEE 802.15.4/ZigBee. It also describes the necessary hardware and software to run the examples, and how to get started. The software examples are able to run on the CC2430EM or CC2430-CC2591EM mounted on SmartRF04EB.