arma

北大群论讲义，作为老师讲的讲义，还算通俗易懂。(North group theory lectures, as teacher handouts, fairly easy to understand.)

说明：  电机的测试平台，可测电流，热电偶，转速，与yokokawa的测功机通讯，并记录为xls数据表的程序(Motor test platform, measurable current, thermocouples, speed, and the dynamometer yokokawa communications, and record the data tables for the procedure xls)

一个对driverstudio工具开发包的详细介绍(A tool kit driverstudio detailed introduction)

说明：  我在惠普公司，从助理工程师到高级工程师，从市场部经理到市场总监，从助理总裁到首席知识官，到公司决策委员会成员，成为为数不多的进入大型跨国公司中国区高层的本地管理人员之一，有幸感受到惠普公司高效而又人性化的管理。(I said in my Hewlett-Packard, from assistant engineer to engineer, from Marketing Manager to Marketing Director, from the Executive Director to the Chief Knowledge Officer, to the corporate decision-making members of the Committee, becoming one of the few large multinational companies to enter China, the highest level of local management staff, one of Hewlett-Packard had the privilege to feel humane and highly effective management.)

说明：  关于电子设计方面的一些知识，希望对大家有帮助(On some knowledge of electronics design, we want to help)

使用LabVIEW开发平台编制的程序称为虚拟仪器程序，简称为VI。LabVIEW（Laboratory Virtual instrument Engineering Workbench）是一种图形化的编程语言，它广泛地被工业界、学术界和研究实验室所接受，视为一个标准的数据采集和仪器控制软件。LabVIEW集成了与满足GPIB、VXI、RS-232和RS-485协议的硬件及数据采集卡通讯的全部功能。它还内置了便于应用TCP/IP、ActiveX等软件标准的库函数。这是一个功能强大且灵活的软件。(Using the LabVIEW development platform known as the virtual instrument programmed process, referred to as VI. LabVIEW (Laboratory Virtual instrument Engineering Workbench) is a graphical programming language, it is widely used by industry, academia and research laboratories accepted as a standard data acquisition and instrument control software. LabVIEW integration and satisfaction with GPIB, VXI, RS-232 and RS-485 protocol communications hardware and data acquisition card full functionality. It also has built easy to use TCP/IP, ActiveX software such as standard library functions. This is a powerful and flexible software.)

说明：  数字信号处理_第四版_Sanjit_课后答案[2-7章，英文版]_khdaw(Digital Signal Processing 4th Edition Sanjit After-class Answers [Chapter 2-7, English Edition] _khdaw)

python 书籍 非常经典，希望大家有所收获(python very classic books, I hope you all have a harvest)

水下地形的相关理论及技术和部分代码，适合初学者学习(Underwater topography of the relevant theory and technology and part of the code, suitable for beginners to learn)

说明：  这也是一本线性代数的教材，其讲法十分现代，抛弃了行列式为主的传统讲法，直接紧扣线性代数中最核心的算子理论。(This is also a textbook of linear algebra. Its teaching method is very modern, abandoning the traditional teaching method based on the determinant, and directly following the core operator theory in linear algebra.)