EM_algorithm_Normal_distribution_parameter_estimat

多普勒matlab仿真,利用MATLAB仿真程序实现,多普勒流量计的理论模型的仿真过程，可以在界面清晰的看见各信道信号的波形(Doppler matlab simulation using MATLAB simulation program realize, Doppler flowmeter theoretical model of simulation, you can clearly see the interface of the channel signal waveform)

这是生成的H矩阵，可以用于MATLAB仿真和C语言仿真(This is the generation of H-matrix, can be used in MATLAB simulation and C language simulation)

自编SOFDTD计算等离子体平板反射透射系数matlab程序(Self SOFDTD plasma flat reflection and transmission coefficient calculation matlab program)

雷达阵列天线的方向图，有结果截图，适合于初学者(Radar array antenna pattern, with results screenshots, suitable for beginners )

PCA降维实例，使用数据集，数据集衡量美国329个城市生活质量的9个指标：气候、住房、健康、犯罪率、交通、教育、艺术、娱乐和经济。对于各指标，越高表示越好，如高的犯罪指标表示低的犯罪率。(PCA dimensionality reduction example uses data sets and data sets to measure 9 indicators of quality of life in 329 cities: climate, housing, health, crime rate, transportation, education, art, entertainment and economy. For each index, the higher the better, as the high crime indicator indicates a low rate of crime.)

Numerical computing using matlab

说明：  LSE参考点定位算法在UWB中的仿真，可以自由设置噪声水平和参考点个数。(LSE reference point UWB positioning algorithm in the simulation, they can set up noise level and reference point number.)

1、利用simulink中sfunction方法建立航天器姿态动力学模型和运动学模型； 2、利用linmod对非线性模型线性化； 3、姿态模型线性化后，利用极点配置（pole）方法求取控制参数； 4、将控制参数带入非线性模型仿真控制效果。(One using simulink sfunction method to establish the dynamic model and kinematic model of the spacecraft attitude 2, the use of linmod linearization of the nonlinear model Attitude model linearization, the use of pole configuration (pole) is used to obtain the control parameters 4, the control parameters into the nonlinear model simulation control effect.)

matlab GUI简单介绍 关于handles的用法与简单介绍 很好用(matlab gui some sources about it ,it is very useful)

时频分析方法中的短时傅里叶变换，可用于信号处理。(The time-frequency analysis of short-time Fu Liye transform method, can be used for signal processing.)