buck

说明：  lda是一个集合概率模型，主要用于处理离散的数据集合，目前主要用在数据挖掘（dm）中的text mining和自然语言处理中，主要是用来降低维度的(lda is a set of probability models, mainly for dealing with discrete data sets, the key used in data mining (dm) in the text mining and natural language processing, is mainly used to reduce dimension)

This code is related to the course Digital Communications. It makes a simple communication system which uses AWGN and QPSK

编写卡尔曼滤波程序实现航迹的滤波估计，并计算出误差，仿真曲线(Kalman filter procedure to prepare implementation of the filtering track estimate and calculate the error, the simulation curve)

Matlab script to illustrate the Fourier transform of a periodic signal

城市轨道交通的列车间隔追踪仿真，主要在不同最大速度下的追踪时间间隔(Urban rail transit train interval tracking simulation, mainly in the different maximum speed tracking time interval)

4psk信号的蒙特卡洛误码率仿真，与理论误码率的对比(Monte Carlo signal 4psk BER simulation, and theoretical bit error rate comparison)

通过matlab实现通信的数字调制与解调(digital AM)

简单介绍了热岛效应产生的原因，关于热岛效应的各种详细资料，适合用于数学建模的资料查找(Brief heat island effect causes a variety of details of the heat island effect, suitable for mathematical modeling data to find)

实现surf算法的matlab代码 实现surf算法的matlab代码(Surf algorithm to achieve the matlab code)

一个很完美的解决数据关联问题中坐标转换的文章(A perfect solution data associated coordinate transformation article)