多文档程序，vc6下完成，利用CArichive类实现文件序列化，实现两个绘图窗口的简单响应．-more documentation procedures, vc6 completed using CArichive category sequence files, graphics window to achieve two simple response.

AM、FM、PM调制与相关性能，功率谱密度绘图，对于想要了解相关调制的初学者有用-AM, FM, PM modulation performance, power spectral density graphics, useful for beginners want to understand the relevant modulation

MyDraw绘图软件,介绍利用VC绘图,及如何动态选取并修改图形对象-MyDraw drawing software, this paper introduces using VC drawing, and how to dynamically and modify the graphics object