VSB__4Node_2D_try

文本文件有关操作-text of the operation

通过MATLAB编程，实现对菲涅尔波带片的绘制，改变焦距F可以绘制不同焦距的波带片。(Drawing Fresnel zone plate by MATLAB)

通过c语言程序实现继电器应用模块按键触发延时3分钟程序(Through the C language program to achieve Relay Application module, the trigger delay 3 minutes program)

基于sellmeier方程产生的折射率，可通过改变材料的sellmeier系数，来计算材料的折射率。(Based on the refractive index generated by the sellmeier equation, the refractive index of the material can be calculated by changing the sellmeier coefficient of the material)

说明：  普中科技 51单片机 tft触摸，显示图片，各种型号彩屏，sd卡程序(Puzhong Science and Technology 51 Single Chip Microcomputer TFT Touch, Display Pictures, Various Types of Color Screen, SD Card Program)

dos下另一虚拟光驱-dos under another virtual drive

C++语言实现阶乘，这是一种简单的实现方法，值得借鉴-factorial C language, this is a simple method, worth learning

宽带放大器析评。2003全国大学生电子设计竞赛一等奖。有用的朋友请下载-An Analysis of broadband amplifiers. 2003 National Undergraduate Electronic Design Contest first prize. Friend please download useful

vb做的写字板小程序，对于初学VB的学生有一定用处。(WordPad applet vb do have some use for the beginner VB students.)

Ragnarok Spirte for game programing