DQDB

说明：  实现中点画圆 在qt平台上实现 语言为c++ 是计算机图形课上的代码 可以编译通过的(realize draw the point in the middle)

用于求解各阶贝塞尔函数和汉克尔函数零点，希望对大家有帮助。(besselj and hankel functions)

pscad simulation of Network_SCEQ_SC

在AutoCAD中添加一个自定义分页侧边栏。(In AutoCAD add a custom tab sidebar.)

Manejo de Imagenes usando haarcascade en QT+opencv

针对光学二次谐波系统的全局耦合网络同步，迭代并画出相图(For optical second harmonic system, iteration and phase diagram are drawn.)

专业的电磁暂态仿真软件PSCAD中自建SVPWM模型及fortran代码(Electromagnetic transient simulation software PSCAD SVPWM model and fortran code)

WPF 鼠标拖拽功能，自定义拖拽的跟随图形，不再是一个虚线的系统的小标志，而是具体所拖拽的对象的图形，比如拖一个button，后面跟随的就是一个button的形状。(WPF mouse drag and drop, drag the following custom graphics, broken system is no longer a small sign, but concrete by dragging a graphical object, such as dragging a button, is followed by the shape of a button.)

CAD下VBA二次开发，用来展高程点，txt文件，已经把离散点网格化了(CAD lower VBA secondary development, to show elevation point, txt file, has the discrete points of the grid)

利用逐点法绘制出图形，图形的绘制其实都是由折线组成的，只是每条折线的误差太小了，肉眼根本分辨不出来(use of the point-by-point drawing graphics, the graphics are actually drawn from the composition of the dogleg, only broken each of error is too small, the human eye can not be seen)