prbs

DV-hop程序，实现了简单的网络节点定位，还是PSO的改进。(DV-hop programs achieve the simple network node location, or PSO improvement.)

两个简单的创建矩正，以及矩阵中元素替换，重组矩阵的matlab源码(Two simple moments are created, as well as replacing the matrix elements, reorganization matrix matlab source)

说明：  S 函数 编写的 PID程序 在MATLAB上 调试成功 请大家参考(S function to write the PID program debugging success in MATLAB reference)

a useful matlab code

好几个关于随机振动，结构动力学方面求解的算法，包括PSD法，PEM法，模态空间法，虚拟激励法等算法的基础程序(Several algorithms for solving random vibration and structural dynamics, including PSD method, PEM method, modal space method and virtual excitation method, are introduced.)

北京到广州铁路路线仿真，可用于完好性分析用(Beijing to Guangzhou railway line simulation can be used to integrity analysis)

本代码为扩展卡尔曼滤波仿真，适合初学者使用学习。(The extended Kalman filter simulation code, suitable for beginners to learn.)

说明：  离轴数字全息数值重建仿真，基于菲涅尔衍射积分，角谱传递函数等。(Off-axis digital holographic numerical reconstruction simulation)

三相异步电机调速仿真模型，包含变频调速、矢量控制，串电阻调速模型等(Three-phase induction motor simulation , including the Frequency Control, vector control, speed control model series resistor)

this code describe the phase noise introduced by local oscillator