J2-UMAT

数据插值算法GWR，根据周围点插值未知点。(Data interpolation algorithm GWR interpolates unknown points according to the surrounding points.)

一种多元一阶微分代数方程组的解法实例，通过实例进行讲解。大家可以看看(An example of solution to a class of multivariate first order differential algebraic equations)

偏最小二乘回归的线性与非线性方法，王惠文著。讲了偏最小二乘通径回归模型和递阶偏最小二乘回归模型。(Partial Least Squares Regression Linear and Nonlinear Methods, by Wang Huiwen. The partial least square path regression model and the hierarchical partial least-squares regression model are introduced.)

说明：  可用于捷联惯导结算的程序，代入数据就可以运行，有助于对惯导原理的理解(The program that can be used for Strapdown Inertial Navigation settlement can be operated by substituting data, which is helpful to understand the principle of inertial navigation.)

说明：  linuxshel scripts tutorial ro

TDA5235SPI驱动，MCU为STM8L(Stm8, tda5235 driver code)

利用图形化界面编写的计算时间的计时器，用3D渲染程序-use graphical interface, the time taken to prepare the timer, 3D rendering process

CA码信号的串行捕获（GPS中L1频点上CA码信号的串行捕获）(Serial Acquisition of CA Code)

Catia Script generated from VB. very usefull for catia users. this macro automated the process of activating part bodies in the product automatically.

GBA操作系统（中文版）-GBA operating system (Chinese version)