MATLAB-Science-and-compution

说明：  对心直动凸轮机构压力角的计算 计算斜齿轮公法线长度及其偏差 优化设计的分析与计算(Direct action on the heart cam pressure angle calculating the length of common normal helical gear calculation and deviation analysis and calculation of optimal design)

说明：  一个强大的优化计算程序包，希望多大家有帮助(A powerful optimization package, I hope more people help)

说明：  P模型数据包罗分析法,一种数学建模的实用方法，对你的比赛，和应用很有帮助(A good mathematical modeling tool, It is very helpful to your study MATLAB)

介绍了平均电流控制型 PFC Boost 变换器的结构， 分析了其工作原理。 分别采用 Power System 工具箱和考虑电感电流断续工作状态的 C-MEX 文件 S 函数建立了主电路模型，对平均电 流控制型 PFC Boost 变换器进行了仿真。仿真结果表明，与 Power System 工具箱模型相比，基于 C-MEX 文件的 S 函数仿真模型能够准确仿真电流断续工作状态，仿真速度快。设计了电路样机进 行了实验研究，仿真结果与实验结果一致，证明了该方法的正确性。利用该方法可以高效地仿真 研究系统结构和参数变化时性能变化情况，得到的平均电流控制型 PFC Boost 变换器的混沌分岔 图，为更好地理解和设计这种变换器提供了有利的工具。(The structure of average current controlled power factor correction (PFC) Boost converter is introduced, and its working principle is analyzed. The PFC Boost converter is simulated using the model established with Power System toolbox and the C-MEX file S-function model respectively. Simulation results show that the C-MEX file S-function model can simulate the all state of the converter including discontinuous conduction mode with high speed. Experimental results show the correctness of the simulation results and the proposed method. The method is suitable for simulation the performance changing with the variation of system structure or parameters. The bifurcation diagram is derived for PFC Boost converter using this method, which is very useful for better understanding and better design of the converter.)

matlab程序，一种快速ICA算法，用于混合信号盲分离，可应用于通信系统信号处理(matlab program, a fast ICA algorithm for blind separation of mixed signals, signal processing can be used in communication systems)

说明：  使用iwr16xx雷达板进行人体摔倒检测(Fall detection, useTI iwr16xx board)

实现语音信道编码之卷积编码的编译码仿真程序，采用的是维比特编码(Voice channel coding convolutional coding of the codec simulation program, using the bit-dimensional coding)

单闭环无静差转速负反馈调速系统主要描述了电流负反馈的无静差直流调速系统(PI )

最小模法估计DOA,并求出估计角，这是一种传统的DOA估计方法。(Minimum norm method to estimate the DOA, and find the estimated angle, which is a traditional method of DOA estimation.)

Bits error rate, convolution coding, BPSK, AWGN, Simulation and theory