duoxiang-dianji-chengxu

this is a algoritm for cluster arrays data ,introducing the k cluster

针对感应电机扩展卡尔曼滤波器转速估计中难以取得卡尔曼滤波器系统噪声矩阵和测量噪声矩阵最优值的问题，提出了一种基于改进粒子群算法优化的扩展卡尔曼滤波器转速估计方法。算法通过融合遗传算法和粒子群算法的优点，采用可调整的算法模型对粒子群算法进行改进，将改进的粒子群算法对扩展卡尔曼滤波器中的系统噪声矩阵和测量噪声矩阵进行优化处理，将优化后的卡尔曼滤波器应用于感应电机转速估计。( Extended Kalman Filter for induction motor speed estimation problem is difficult to obtain a Kalman filter system noise matrix and the measurement noise matrix optimal value proposed speed estimation method based on improved particle swarm optimization of the extended Kalman filter. By virtue of the genetic algorithm and particle swarm optimization algorithm fusion algorithm using the adjustable model PSO improvements that will improve the PSO extended Kalman filter system noise matrix and the measurement noise matrix optimization process, the optimized Kalman filter is applied to the induction motor speed estimate.)

Monte Carlo nonchronological Generation

QPSK调制与解调，并有误码率的分析，加了 信道噪声。(QPSK modulation and demodulation, and bit error rate analysis, the addition of channel noise.)

simulation of neural network

用matlab自行编写的概率密度函数绘图代码(failed to translate)

Bat-inspired algorithm is a metaheuristic optimization algorithm developed by Xin-She Yang in 2010. this is the demo of bat algorithm

这是采用matlab编程，用神经网络对水面漂浮物特征进行分类(This is using matlab programming, neural network floats on the surface of the water feature to classify)

说明：  产生正弦波、均匀白噪声、高斯白噪声图形；利用小波变换去噪并求信噪比。(Sine wave, uniform white noise and Gauss white noise are generated; wavelet transform is used to denoise and SNR is calculated.)

matlab中gui实现检测任意四点构成的四边形是否为凸四边形(matlab the gui achieve detection any four points of a quadrilateral is convex quadrilateral)