东北大学操作系统软件英语国际班20级操作系统实验及大作业，作业成绩4.5/5， 一共四个实验：线程处理，生产者消费者问题（多生产者消费者），内存管理（多模式分析），文件管理系统（用了web实现UI）。

 本项目是一个自我答题自我测试的项目源码，二次开发和应用的范围很广，适合题只会在题库里出的场景，只要你有自己的题库就可以把这套源码变成一套测试专业题的app。考题有练习部分和模拟考试部分，练习部分会逐条显示考题，点击任意选项会提示正确答案并且可以查看题解或者收藏这道题目供以后复习。点击选择题目可以查看所有正确错误和未答的选项。点击序号即可进入答题。模拟考试试题会在题库中随机抽取，并且会有时间限制，答完题以后自己手动交卷或者时间到了以后自动交卷查看分数。本项目使用的在线题库，测试运行正常。不保证以后也正常。不过备份了一份json格式的题库在压缩包里。万一服务端挂了可做参考。 

国外数电经典教材Digital Fundamentals第10版的习题参考答案

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目 录 Lesson 1 Analog Amplifiers.................................................................................................................... 1 Lesson 2 Basic Circuits of Operational Amplifiers ............................................................ 11 Lesson 3 CMOS Logic Circuit................................................................................................................ 23 Lesson 4 Flip-Flop..................................................................................................................................... 33 Lesson 5 Introductions to Control Systems............................................................................. 47 Lesson 6 Introductions to Mathematical Models of Physical Systems....................... 57 Lesson 7 Basic Control Actions and Industrial Automatic Controls ......................... 68 Lesson 8 System Design and Compensation Techniques.......................................................... 81 Lesson 9 Nonlinear Control Systems ............................................................................................... 91 Lesson 10 Introductions to Phase-Plane Analysis............................................................... 100 Lesson 11 Discrete-time Systems and the z-Transform Method ..................................... 110 Lesson 12 State-space Analysis of Control Systems .......................................................... 121 Lesson 13 Introductions to Liapunov Stability Analysis............................................... 130 Lesson 14 Introductions to Optimal Control Systems........................................................ 138 Lesson 15 Introductions to Sensors ............................................................................................. 148 Lesson 16 Introductions to PID Controllers........................................................................... 157 Lesson 17 Introductions to Process Control........................................................................... 166 Lesson 18 Intelligent Control......................................................................................................... 175 Lesson 19 Introductions to PLC....................................................................................................... 185 Lesson 20 Microcontroller Integrated Circuit With Read Only Memory................... 195 Lesson 21 CAD And CAM............................................................................................................................ 204 Lesson 22 Motor Starting and Braking Systems...................................................................... 216 Lesson 23 Speed Control of DC Motor........................................................................................... 230 Lesson 24 Frequency Control for AC Motor ............................................................................... 242 Lesson 25 Modeling a Simple Continuous System Based on MATLAB .............................. 253 附录 1 常用专业词汇表............................................................................................................................. 265 附录 2 中英文课程对照............................................................................................................................. 285 附录 3 单位换算........................................................................................................................................... 296 附录 4 度量衡比较表................................................................................................................................. 299 附录 5 常用数学符号................................................................................................................................. 304 附录 6 课文参考翻译................................................................................................................................. 306 参考文献............................................................................................................................................................ 352

2016-2022年6月英语四级全套真题、包含听力资源、四级高频词汇、以及真题解析

本文介绍了《自动化专业英语》课程的基本信息，包括课程编号、名称、总学时、学分、授课对象和先修课程等。该课程旨在培养自动化专业学生的英语听、说、读、写能力，使其能够熟练掌握与所学专业相关的专业英语，以便更好地参与国内外专业技术的交流和开展。

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