四旋翼无人机建模及其PID控制律设计

多功能时刻钟，整点报时，还有闹钟的功能，还有些功能没有完善。(Multi-time clock, the whole point of time, as well as alarm clock function, and some feature is not perfect.)

用python语言开发的程序，主要用于ABAQUS平台模拟水泥环损坏问题。水泥环采用塑性损伤模型。(The program developed in Python language is mainly used to simulate the damage of cement sheath on ABAQUS platform. Plastic damage model is adopted for cement sheath.)

说明：  matlab编程快速学习，入门教程，matlab基本函数，功能模块的快速学习掌握。(Matlab programming fast learning, introductory course)

一个合成记录，可以生成特定反射系数和特定条件下的合成地震记录。(A synthetic seismogram, can generate a specific reflection coefficient and the specific conditions of the synthetic seismogram.)

带文字说明的Flash产品图片展示特效，flash XML技术实现，大图片和小图片是分开的，也就是缩略图是另外处理过的，适合放在购物网站、摄影网站做精彩内容推荐。

鲸鱼算法，PSO,GA,优化核极限学习机，(Whale algorithm, PSO, GA, optimized nuclear extreme learning machine,)

matlab 数据处理 fpga 的sg 程序 类似于DSP的C语言程序 大家分享-they simply Matlab data processing procedures similar to the sg DSP C language program to share with you! !

php中英版本 仿alibaba贸易平台-English and Chinese versions of php like alibaba trading platform

to get GCD(A,B)，and no recursion -to get GCD(A,B),and no recursion

克里金(Kriging)插值法，又称空间自协方差最佳插值法，它是以南非矿业工程师D．G．Krige的名字命名的一种最优内插法。克里金法广泛地应用于地下水模拟、土壤制图等领域，是一种很有用的地质统计格网化方法。(Krikin (Kriging) interpolation method, also called spatial covariance best interpolation method, is an optimal interpolation method named by South African mining engineer D.G.Krige. Kriging method widely used in groundwater simulation, soil mapping and other fields, is a very useful geostatistical gridding methods)