NB-IoT downlink simulator

说明：  matlab /simulink电力电子仿真经典教程，这个是matlab /simulink电力电子仿真入门教程，简洁明了！！！非常适合初学者，这是我迄今为止见过的最好的入门教程，没有之一！！！(matlab / simulink power electronics simulation classic tutorial, this is matlab / simulink power electronics simulation tutorial, simple and clear! ! ! Very suitable for beginners, this is the best introductory tutorial I have seen so far, no one! ! !)

两篇关于模型简化的博士论文，对于研究模型简化方面的很有用。(2 on a simplified model of doctoral thesis research model for the simplification of very useful.)

本书为清华大学温诗铸院士的一本弹流润滑专著，很权威。(This book is an academician of EHL,written by Shi-Zhu Wen a monograph in Tsinghua University.it is authoritative.)

银行核心系统入门简介 本文的目标读者是准备从事银行核心系统开发、维护的从业人员。(This article is intended for preparing to engage in core banking system development, maintenance practitioners.)

说明：  STM32 handbook (Rus), Real HW in real life.

说明：  专门用来识别红色的aruco码，区分blob(Special recognition of red aruco codes)

是以笔记的形式，介绍大学本科期间的自动控制原理这一门的主要内容(Based on the introduction form, notes during the university of automatic control principle of the main contents of the door)

非常基础的资料，适合初学者使用，简单易懂，清晰明了(easy datasheet)

Tom Mens, Serge Demeyer Software Evolution 2008

这是清华版c＋＋程序设计 第四章课后题第10题(This is the Tsinghua version c Program Design Chapter IV title after title No. 10)