youxuanfa

this code can rotate matixes and find the rotation angles

图像阈值分割，为确定图像分割的最佳阈值，基于粒子群优化算法提出了一种多阈值图像分割方法(Image segmentation, image segmentation to determine the optimal threshold value, based on particle swarm optimization algorithm proposes a multi-threshold image segmentation)

多自由度比例阻尼系统matlab模态分析，包括各种输出频响图形。(Matlab multiple degrees of freedom damped system modal analysis, including the output frequency response graph.)

现代通信原理课程中，在MATLAB中实现二进制频移键控调制程序。(Modern communication theory course, to implement in MATLAB binary frequency shift keying modulation program.)

这是在matlab下实现的包络检波算法。先对信号进行调制，然后进行包络检波。(This is achieved under matlab envelope detection algorithm. First signal modulation, and then proceed to the envelope detector.)

DSB-SC in Simulink - Matlab

雷达系统性能建模英文书，内容包括雷达方程、雷达波形分析、电子对抗、雷达性能评估等。内容完整详实，对雷达行业的从业者有较大的帮助。(radar system performance model)

基于matlab simulink的spwm仿真模型，非常适合初学者学习正弦脉宽调制方法使用。(The spwm matlab simulink simulation model is very suitable for beginners to learn sinusoidal pulse width modulation method.)

this is useful for protective device coordination useful for power system protection.

现代通信系统常用matlab算法实例，适合大家学习matlab(Matlab algorithm commonly used in modern communication systems examples for them to learn matlab)