PCA

Q函数、互补误差函数定义，以及之间的关系、matlab实现Q函数(Q function, complementary error function is defined, and the relationship between, matlab Q function)

将从地震勘探工程标准格式的segy文件读出的数据重新写成segy格式，方便用专业的软件进行继续处理。(Reading data seismic engineering standards segy file formats out of the rewritten segy format, easy to use specialized software to continue processing.)

matlab数值分析计算源代码，供广大研究者学习(Numerical Analysis matlab source code, for the majority of researchers to learn)

说明：  用户在控制台输入任何一年份，可显示出该年的全部日历。(User at the console to enter any one year can be shown that all of the calendar year.)

this code is used to solve nonlinear equations using Newton, Bisection, secant methods.

DM6437 using simulink

经典的莫泰识别分析软件 diamond,在matlab平台下(diamond matlab toolbox)

direct digital synthesis CORDIC

Role Based access control implementation

G.729的全名Code Excited Linear Prediction Model (CELP) and Conjugate-Structure Algebraic CELP (CS-ACELP). 共轭结构-代数码激励线性预测编码. (Code Excited Linear Prediction Model (CELP) and Conjugate-Structure Algebraic CELP (CS-ACELP)