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CAD版本转换工具，支持R14----2007版本的相互转换(CAD version of the conversion tools, to support the version of the R14 2007 conversion)

很好的齿轮cad参数化设计程序，能够进行直齿轮和斜齿轮的参数化设计和cad绘图输出(Cad good gear parametric design process, can spur gear and helical gear parametric design and cad graphics output)

这是NURBS曲线的绘制程序，在MATLAB-2008a环境下进行编写，包含了几个基函数子程序。可以通过调节控制顶点和点的权重来调节曲面形状。 (This is a NURBS curve drawing program, in the MATLAB-2008a environments prepared, including a number of basis function subprogram. Can be controlled by adjusting the weight of vertex and point to adjust the surface shape.)

一个用来显示Autocad内部数据结构的极佳工具. Autocad2006二次开发人员必备!(used to indicate an internal data structure Autocad an excellent tool. Autocad2006 Secondary Development staff required!)

可以进行空间曲面的拟合 用于曲面拟合的代码：圆 球 直线 平面拟合都有(Surface fitting code: round ball linear plane fitting)

说明：  根据光伏电池相关的理论和数学模型，利用PSIM建立一种简单并且准确的光伏阵列模型。同时，在此模型的基础上建立具有MPPT功能的直流变换器仿真模型。比较不同环境下的输出曲线的仿真结果以及实验数据。仿真结果和实验数据吻合，证明了此模型的适用性和准确性(Photovoltaic cells in accordance with the relevant theoretical and mathematical models, using PSIM to establish a simple and accurate model of the photovoltaic array. At the same time, in this model based on function with MPPT DC-DC converter simulation model. Compared under different circumstances the output curve of the simulation results and experimental data. The simulation results and experimental data proved the applicability of this model and accuracy)

qt, lab graphics c/c++

Cadence Allegro 中文教程(Cadence Allegro Chinese tutorial)

创建文件，不且把文件传递给CAD模板。很专业##############(Create the file and the file passed to the CAD template. Very professional##############)

在matlab下画柱状图 并用不同图形填充柱状图 非常适用 有示例(In the matlab picture column with different graphics packed column is very applicable have sample )