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DrawCirclePrj
- 用MFC画一圆，填充颜色，不段变大成指定半径，然后右移，重画时删除过去的画像
ClearLayers
- 大型的CAD文件中图层过多时会导致其浏览速度和各种操作变慢,本程序可以方便的清理CAD文件中的层,将不同层中的对象进行归并,以加速操作速度.-Large-scale CAD file layer will lead to excessive speed of their browser and slow down operation, the procedure can easily clean up CAD file layer, different layers of objects mer
DocmentAPI
- 画图、保存、打开,改变文档模式是图形不变-This program can draw lines with saving and opening mode
2ask
- 本文件是2ask仿真代码。振幅键控是利用载波的幅度变化来传递数字信息，而频率和初始相位保持不变。-This document is 2ask simulation code. Amplitude shift keying of the carrier amplitude variation is the use of digital information to transmit, and the frequency and initial phase remains unchanged.
Bonne-projection
- 彭纳投影，彭纳投影即等积伪圆锥投影。为法国人彭纳所创。中央经线是直线，其他经线为对称于中央经线的曲线。纬线为同心圆弧。中央经线和标准纬线上没有变形，离开这两条线越远变形越大。图上所有纬线都保持长度不变，面积相等。彭纳投影常用作大洲图。-Bonne projection that pseudo equal area conic projection. Penner was created by Frenchman. Central meridian is a straight line, the