curve_in_3d

能使led灯规律闪烁，没500ms闪烁一次，并且程序通俗易懂(Can make LED lamp flicker regularly)

16*16点阵显示汉字，能够实现汉字循环移动，已经调试过了-16* 16 dot matrix display Chinese characters, Chinese characters can be achieved recycling movement, has been passed to debug

hen hao de ,qing da jia shiyong

说明：  多边形矩形坐标逆时针排序11223344556677889900(noAnticlockwise sorting of polygonal rectangular coordinates 1)

复旦大学nios教材，一共有十章的内容，结合quartusii软件有详细的例子，图文并茂，可与周立功的sopc嵌入式系统基础教程配合学习nios(Nios, Fudan University, teaching materials, a total of 10 chapters, combined with software quartusii detailed examples, illustrations may be weeks of sopc meritorious basis for embedded systems with the tutorial to learn nios)

image quality evaluation

说明：  APA自适应滤波代码，有学习曲线以及不同步长下，仿真的结果对比图(APA adaptive filter code, learning curve and comparison chart of simulation results under different steps)

Visual C++学习的好例程，经典游戏拼图(Visual C++ to learn a good routine, classic games puzzles)

this book is image process.

利用极大似然估计估计出copula函数参数后，求解常见的copula函数的对数似然值。(After estimating the parameters of the copula function by using the MLE, the log likelihood values of the common Copula Functions are solved.)