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外国的一个大牛写的ply格式模型的读写程序，注释很详细，和适合学习(A large foreign cattle write ply format model reading and writing program notes in great detail, and suitable for learning)

calculate the approximate entropy of heart rate varibility

The Z-source converter overcomes the conceptual and theoretical barriers and limitations of the traditional voltage-source converter (abbreviated as V-source converter) and current-source converter (abbreviated as I-source converter) and provides a novel power conversion concept. The Z-source concept can be applied to all dc-to-ac, ac-to-dc, ac-to-ac, and dc-to-dc power conversion.

关于雷达系统各方面的matlab仿真源代码，这是我自己整理，调试完成的。(The radar system matlab simulation source code, which is my own finishing, commissioning completed.)

功率控制函数代码描述细节。博弈论的应用。。。。。。。。。。。(Power Control)

The encoder and decoder of convolutional code

针对多椭圆检测问题提出了一种快速随机检测算法。该算法利用在图像中随机采样到的一个边缘点和 局部搜索到的两个边缘点以及这三个点的邻域信息确定候选椭圆,再将候选椭圆变换为对应圆,通过确认真圆来确 认真椭圆。在确定候选椭圆时,最大限度地减少随机采样点数‰ 剔除更多的非椭圆点,降低了无效采样,减少了无效 计算。数值实验结果表明:该算法具有良好的鲁棒性,其检测速度比同类算法快(Ellipse detection problem for many a fast random detection algorithm. The algorithm uses random sampling in the image of an edge point and the local search to the two edge points, as well as the three-point neighborhood information to determine the candidate ellipse, and then transformed into the corresponding elliptical candidate won, through the identification of real yen to confirm really elliptical. In determining when a candidate ellipse, to minimize random sampling points ‰ remove more non-oval points, reducing invalid sampling, to reduce the calculation invalid. Numerical experimental results show that: the algorithm has good robustness, and its detection faster than similar algorithms quickly)

说明：  一种ofdm频偏估计误差的方差MATLAB程序，可以运行，能得到结果图 (A frequency offset estimation error variance ofdm MATLAB program, you can run, can get results map)

matlab遗传算法工具箱函数及实例讲解1 核心函数： 初始种群的生成函数 (matlab genetic algorithm toolbox and examples of function on one core function: the initial population of the generating function)

基于Matlab/Simulink异步电动机的多用仿真模型研究(Multi-use simulation model based on Matlab/Simulink asynchronous motor)