NN

粒子滤波算法在非线性系统中得到了广泛的应用，其精度取决于目标概率函数和重要性函数是否相近，并且样本退化问题也影响了算法的性能。针对粒子滤波算法中样本退化的问题，本文提出一种基于奇异值分解的粒子滤波算法。该算法通过使用奇异值分解方法得到的重要性概率密度函数更接近于目标概率分布，降低样本退化的影响，提高了滤波器的精度，然后在列车组合定位系统的数学模型中应用该算法进行仿真实验。 (Particle filter algorithm for nonlinear systems is widely used, its accuracy depends on whether the target probability function and importance of the functions are similar, and sample degradation also affects the performance of the algorithm. For particle filter algorithm sample degradation problem, this paper proposes a particle filter algorithm based on singular value decomposition. The algorithm by using singular value decomposition of the importance of the probability density function method to get closer to the target probability distribution, reduce sample degradation, improve the accuracy of the filter, and then apply the algorithm in combination mathematical model train positioning system simulation experiments. The simulation )

说明：  中文版的matlab文档，适合那些和我一样英语不好的同学(Chinese version of matlab files, suitable for those who, like me, English not good students)

simulation of 3_phase rectifier in matlab simulink

用LBM方法模拟的两相流运动，希望能帮助大家了解应用格子Boltzmann方法(The two-phase flow simulation by LBM and want to help you understand the application of lattice Boltzmann method)

3GPP SCM信道模型，根据TS25.996编写(3GPP SCM channel model)

matlab code for images in spatiograms

说明：  在单径瑞利信道中，请设计一种时分的导引辅助的信道估计方法，用Simulink进行仿真，测量BPSK的误码率性能，画出比特信噪比与误码率的关系曲线( in a single path Rayleigh channel, please design a secondary peak guide channel estimation method, the Simulink simulation, BPSK BER performance measurement, signal to noise ratio and bit error rate to draw the relationship between curve)

遗传算法，可以用来求解在一定范围内的函数的最值，进行函数优化(Genetic algorithms can be used to solve a range of functions in the most value for function optimization )

属性分类的粒子群算法Particle swarm optimization (pso) algorithm to the classification of the attribute(Particle swarm optimization (pso) algorithm to the classification of the attribute)

尽管matlab提供了朴素bayes的函数，但要理解朴素bayes还是自己编程实现为好。这是以IRIS数据集为例，用朴素bayes方法分类的程序。(Although matlab Bayes provides a simple function, but to understand the simple Bayes or programming for their own good. This is the IRIS data set as an example, naive Bayes method with a classification procedure.)