QPSK_BER_Es

时频窗口选取并计算，有效选择时频窗口。对初学者有用(yields a window of length N with a given shape)

non-local means filter 用于去噪，里面的矩阵操作编写的代码，速度比较快(non-local means filter for noise removal, inside the matrix manipulation code written faster)

MIMO OFDM transmit and receive functions also include channel estimation algorithms for MIMO

说明：  matlab中应用BP神经网络对模式识别的源码(matlab application of BP neural network for pattern recognition of the source)

matlab的线性规划的优化算法内涵6个线性规划实例.(matlab linear programming optimization algorithm of the connotation of six examples of linear programming.)

matlab实现极大似然估计法定位无线传感器网络节点。(matlab maximum likelihood estimation method to achieve positioning of wireless sensor network nodes.)

说明：  这是一个完善的RVM算法。其性能良好，代码清晰。能够很好的用于分类。(This is a perfect RVM algorithm. Its good performance, the code clear. Can be good for classification.)

说明：  内容：运用PM算法识别空间目标。程序中附有注释，可改变方向角，运算速度比music算法快，本人毕设程序，绝对可用。(Content: The use of PM space target recognition algorithm. Annotated program, you can change the direction of the angle calculation algorithm is faster than the music, I set up the program, absolutely free.)

基于MRAS的三相PMSM无传感器矢量控制仿真模型，随着转速的上升且稳定运行后，转速估计误差逐渐减小。(MRAS-based three-phase PMSM sensorless vector control simulation model, with the speed rise and stable operation, the speed estimation error gradually reduced.)

Fs = 100000 t = 0:1/Fs:.00296 x = 1-cos(4*pi*t) cos(2*pi*t*200) h = spectrum.welch Instantiate a welch object. psd(h,x, Fs ,Fs) Plot the one-sided PSD