alphatrimmed1

说明：  利用互信息法求得混沌时间序列相空间重构最优化时延的Matlab程序(use of mutual information obtained chaotic time series reconstruction phase space optimization procedures Matlab Delay)

PCA主成分分析的matlab代码，可以用来学习原理，效果还不错(PCA principal component analysis can be used to study the principle, the results were pretty good)

说明：  QPSK的Matlab/Simulink的调制解调仿真系统，给出接收信号眼图及系统仿真误码率，包含载波恢复，匹配滤波，定时恢复等重要模块，帮助理解QPSK的系统(QPSK Matlab/Simulink simulation system modulation and demodulation, the received signal is given eye and BER simulation systems, including carrier recovery, matching filter, timing recovery and other important module to help understand the system QPSK)

这个示范ilustrates使用的三相Programmble电压源，PLL和可变频率正序电压和功率的测量块(This demonstration ilustrates use of the 3-Phase Programmble Voltage Source, PLL and Variable-Frequency Positive-Sequence Voltage and Power Measurement blocks)

该MATLAB程序主要用于绘制微分方程的分岔图。(The MATLAB program is mainly used to draw the bifurcation diagram of the differential equations.)

PIE FACE 数据库用于计算机视觉中的人脸识别，多姿态，多角度，有不同光照(PIE FACE DATABASE)

This is an efficient implementation of PCA, which use smaller dimension of the data matrix to compute the eigenvectors

基于压缩传感的梯度投影重构算法代码，可以仿真实现(Gradient projection reconstruction algorithm code based on compressed sensing, simulation can be achieved )

根据经纬度计算两点间的球面距离（两种方法基于球面余弦公式，基于Haversine公式）、计算方位角。(calculate spherical distance and azimuth angle by Latitude and Longitude)

GMSK调制解调例程，采用了相位滤波的算法，供参考。(GMSK modulation and demodulation routines, using phase filtering algorithm, for reference.)