AQI

频率估计，是一种比较简单的算法，很基础，有助于初学者应用(Frequency estimation, is a relatively simple algorithm, it is based applications to help beginners )

说明：  在MIMO系统里 2发2收天线，采用Alamouti发案编码的无线传输系统在瑞瑞丽平衰落信道下的误码率性能仿真，系统采用调制方式为QPSK。(MIMO 2 send and 2 receive antenna ,)

bcjr算法 map形式 适用于卷积码和turbo码(bcjr algorithm map form for convolutional codes and turbo codes)

这是一份低轨道卫星建模的资料，比较简洁适合学习(This is a low-orbit satellite modelling data, relatively simple and suitable for learning, recommend to see)

说明：  本方法采用pca进行特征提取，knn分类器进行人脸识别。(The method of feature extraction using pca, knn classifier for face recognition.)

说明：  风力发电的工具箱，有好多建好的模型，比较好用(Toolbox wind power, there are a lot of built model, easy to use)

这个是盲均衡算法的matlab仿真功能代码，分析了接收机信号经盲均衡算法后，有效提升接收机性能，具有一定的参考价值(This is a blind equalization algorithm matlab simulation function code, analysis of the receiver signal by the blind equalization algorithm, effectively improve the receiver performance, with a certain reference value)

ML Estimation of frequency, phase, and amplitude of a sinusoid from discrete time samples MLEsim.m (ML Estimation of frequency, phase, and amplitude of a sinusoid from discrete time samples MLEsim.m)

这是北京航空航天大学的导航系列实验，包括惯性元器件标定和数据解算、gps查分系统定位等程序。(This series of experiments navigation of Beijing University of Aeronautics and Astronautics, include inertia components calibration and data solver gps investigation subsystems positioning procedures.)

通过Takagi2Sugen 控制技术,建立了参数不确定永磁同步电机的Takagi2Sugen 模糊控制模型,然后利用矩阵分 析和Lyapunov 稳定性理论,得到了参数不确定永磁同步电机渐进稳定的充分条件,最后通过实例证实了结果的正 确性,相比传统的模糊控制方法,基于Takagi2Sugen 模型的模糊控制方法具有一定的优越性(By Takagi2Sugen control technology, the establishment of permanent magnet synchronous motor parameters Takagi2Sugen uncertain fuzzy control model, and then use the matrix sub- Analysis and Lyapunov stability theory, the permanent magnet synchronous motor parameter uncertainty sufficient condition for asymptotic stability, and finally confirmed by the results of the positive examples Accuracy compared to traditional methods of fuzzy control, fuzzy control model based on Takagi2Sugen method has certain advantages)