北航学术英语summary-The impact of technology on people

北航学术英语summary-The impact of technology on people
北航学术英语summary-The impact of technology on people

北京航空航天大学学术写作课作业

班级:9班姓名:_________ 学号:___ _____ 总分:_________

作业名称:_ summary _______

The impact of technology on people

The use of technology is heavier in modern life than it used to be and multitask with technology has been a constant in our normal life. The article “attached to technology and paying a price” written by Matt Richtel is an article about the impact of technology on people. By describing the survey data, test results, scientist analysis and the experience of Mr. Campbell, a heavier user of technology, Matt Richtel maintain that can the technology change how people think and behave, interrupting work and family life.

By citing the example of Matt Richtel who has trouble focusing on his family due to jugging with technology Matt Richtel introduces the topic that our ability to focus on is being undermined by burst of information. Because the multitaskers are addicted to the dopamine squirt which is respond to immediate opportunities and threats. When their brain on computer, multitaskers actually have more trouble focusing and shutting out irrelevant information. When their brain off computer, they will suffer fractured thinking and lack of focus persist.

The author believe that the influence of technology on work is negative. Heavy multitaskers actually have more trouble focusing and shutting out irrelevant information, scientists say, and they experience more stress. The author cites a test created by Mr. Ophir and his colleagues to support his opinion. In the test the multitaskers did a significantly worse job than the non-multitaskers at recognizing whether red rectangles had changed position.

By describing the example of children’s experience of playing video game and Mr.campbell’s vacation, the author shows that technology can also influence the life. Connor has troubles focusing on homework indicate that constant digital stimulation can create attention problems for children. The Campbell’s vacation story indicates that heavy technology use is that it diminishes empathy by limiting how much people engage with one another.

According to the article, the author maintains that the heavy use of technology has a negative influence on people’s behavior, work, and family life. And an appeal is being made by the author for paying attention to each other for those who addicted to technology.

惯性导航作业

惯性导航作业

一、数据说明: 1:惯导系统为指北方位的捷连系统。初始经度为116.344695283度、纬度为39.975172度,高度h为30米。初速度 v0=[-9.993908270;0.000000000;0.348994967]。 2:jlfw中为600秒的数据,陀螺仪和加速度计采样周期分别为为1/100秒和1/100秒。 3:初始姿态角为[2 1 90](俯仰,横滚,航向,单位为度),jlfw.mat中保存的为比力信息f_INSc(单位m/s^2)、陀螺仪角速率信息wib_INSc(单位rad/s),排列顺序为一~三行分别为X、Y、Z向信息. 4: 航向角以逆时针为正。 5:地球椭球长半径re=6378245;地球自转角速度wie=7.292115147e-5;重力加速度g=g0*(1+gk1*c33^2)*(1-2*h/re)/sqrt(1-gk2*c33^2); g0=9.7803267714;gk1=0.00193185138639;gk2=0.00669437999013;c33=sin(lat纬度); 二、作业要求: 1:可使用MATLAB语言编程,用MATLAB编程时可使用如下形式的语句读取数据:load D:\...文件路径...\jlfw,便可得到比力信息和陀螺仪角速率信息。用角增量法。 2:(1) 以系统经度为横轴,纬度为纵轴(单位均要转换为:度)做出系统位置曲线图; (2) 做出系统东向速度和北向速度随时间变化曲线图(速度单位:m/s,时间单位:s); (3) 分别做出系统姿态角随时间变化曲线图(俯仰,横滚,航向,单位转换为:度,时间单位:s); 以上结果均要附在作业报告中。 3:在作业报告中要写出“程序流程图、现阶段学习小结”,写明联系方式。

期末英语考试题

20道选择题(会从里面抽出一部分) 1.Economic crises destroy the capitalist system, and they grow in size and duration. 2.Stability also depends upon the flexibility of the local economy. 3.He was sentenced to do hard labor without the option of a fine. 4.She states her views very definitely_. 5.Did he actually say in so many words that there was no hope of a cure? 6.The baby felt ignored by her parents. 7.You need to convince the employers that you can do the job. https://www.360docs.net/doc/4810553977.html,panies will have to do more than this if they are to survive the earthquake. 9.I don’t like this young woman; she seems a social _butterfly. 10.The novel captured___ the imagination of thousands of readers. 11.God knows. How can I endure__ six exams a week? 12.A tiny star can spark___ in the darkness. 13.There are good chances of _promotion_ in this firm. 14.Mrs. Hill is _keen__ on Tom’s marrying Susan. 15.Some professions are __stuffed__ with people who have not grown up. 16.How should this _innocent__ girl see the coldness of the letter? 17.His dominant _trait_ was to take all things into earnest consideration. 18.She tried to __undermine___ our friendship. 19.This was my big chance and I __grabed__ it with both hands. 20.The new airport will __facilitate__ tourism. 21.He came over and _shoved_ a piece of paper into my hand. 22.Shanghai is a city with a large _translent__ population. 23.I’ll __pop__ over and see you this evening. 24.A dropped cigarette is being _blamed__ for the fire. 25.They were full of __envy_ when they saw my new car. 26.The doctor tried to help _restore__ the function of his limbs. 27.Let me assure you that it was not done __intentionally___. 28.The smooth space flight, experts say, marks a big __breakthrough__ for Chinese scientists. 29.He failed to __respond_ to the medicine. 30.This medicine can _lessen__ the pain in no time. 31.The boy really enjoyed the useful and _creative_ work in science. 32.Advertising is often the most _effective__ method of promotion. 33.He __complimented__ her on her last physics paper. 34.After dinner, I took a _stroll__ around the park. 35.A hundred years ago people _scoffed_ at the idea. 36.They are determined to carry forward the _enterprise__ . 37.The conference discussed the fair ___distribution___of income and wealth. 38.Women’s social _status__ has changed much over the years. 39.Before he could find the __fitting__ word she had cut him short with a question. 40.In time you’ll __appreciate__ the beauty of this language. 41.We couldn’t _induce__the old lady to travel by air. 42.The test is used to __diagnose_ a variety of diseases.

北京航空航天大学2005年硕士研究生入学考试基础英语试题

北京航空航天大学2005年硕士研究生入学考试基础英语试题 考生注意:所有答题务必写在考场提供的答题纸上,写在本试题单上的答题一律无效(本题单不参与阅卷)。 I. Vocabulary and Structure(40points,1*40) Part 1 Directions: Choose one of the four alternatives which is closest in meaning to the underlined word or phrase and mark the corresponding letter. 1. “The giant was bit” is a tautological statement, to say the least. A. tight B. redundant C. illogical D. relative 2. There is an embargo on any more video games coming into the house. A. landing place B. prohibition C. violation D. permission 3. Youngsters are usually more impetuous than old people. A. impatient B. immature C. impulsive D. imperial 4. U nfortunately, I’ll spend the weekend doing a bunch of prosaic chores. A .dull B. practical C. trivial D. rhyming 5. The crowd at the town meeting found the mayor’s assurance too glib. A. sarcastic B. flashy C. malicious D. readily fluent 6. Gazing at the crystalline lake, I decided it was too beautiful to swim in. A. breakable B. futuristic C. delicate D. sparkling 7. We cannot vacillate on the question of the party’s leadership. A. lead B. doubt C. check D. repeat 8. It is more difficult for a chronic smoker to give up the habit than for a novice, but it can be done. A. affluent B. confirmed C. disciplined D. indecisive 9. They were furious when one of their best managers was poached by another company A. headhunted B. punched C. plundered D. probed 10. The ink had faded with time and so parts of the letter were unreadable. A. indelible B. inscrutable C. illegible D. illegitimate 11. She bristled at the suggestion that she had been dishonest. A. bridled B. bridged C. breathed D. boasted 12. Investors should study a prospectus before putting money into a big company. A. positive outlook B. banking agreement C. profit-and-loss statement D. formal business document 13 .The real hero is never ostentatious. A. frivolous B. pretentious C. presumptuous D. ponderous 14. If you have never held a driving license before, you should apply for a provisional license. A. providential B. temporary C. provincial D. improvised 15. John Smith is a voracious book collector. A. vicious B. luxurious C. insatiable D. valuable 16. I don’t think we should make precipitate decisions. A .precipitous B. precocious C. precarious D. precautious 17. You need an excursion to break the monotony. A. gaunt B. jaunt C. vaunt D. taunt 18. The government appears in a quandary about what to do with so many people. A. border B. marshy ground C. dilemma D. situation 19. It was an auspicious beginning to her career as an author. A. unexpected B. interesting C. favorable D. doubtful

北航惯性导航综合实验五实验报告

惯性导航技术综合实验 实验五惯性基组合导航及应用技术实验

惯性/卫星组合导航系统车载实验 一、实验目的 ①掌握捷联惯导/GPS组合导航系统的构成和基本工作原理; ②掌握采用卡尔曼滤波方法进行捷联惯导/GPS组合的基本原理; ③掌握捷联惯导 /GPS组合导航系统静态性能; ④掌握动态情况下捷联惯导 /GPS组合导航系统的性能。 二、实验内容 ①复习卡尔曼滤波的基本原理(参考《卡尔曼滤波与组合导航原理》第二、五章); ②复习捷联惯导/GPS组合导航系统的基本工作原理(参考以光衢编著的《惯性导航原理》第七章); 三、实验系统组成 ①捷联惯导/GPS组合导航实验系统一套; ②监控计算机一台。 ③差分 GPS接收机一套; ④实验车一辆; ⑤车载大理石平台; ⑥车载电源系统。 四、实验内容 1)实验准备 ①将IMU紧固在车载大理石减振平台上,确认IMU的安装基准面紧靠实验平台; ②将IMU与导航计算机、导航计算机与车载电源、导航计算机与监控计算

机、GPS 接收机与导航计算机、GPS 天线与GPS 接收机、GPS 接收机与GPS 电池之间的连接线正确连接; ③ 打开GPS 接收机电源,确认可以接收到4颗以上卫星; ④ 打开电源,启动实验系统。 2) 捷联惯导/GPS 组合导航实验 ① 进入捷联惯导初始对准状态,记录IMU 的原始输出,注意5分钟内严禁移动实验车和IMU ; ② 实验系统经过5分钟初始对准之后,进入导航状态; ③ 移动实验车,按设计实验路线行驶; ④ 利用监控计算机中的导航软件进行导航解算,并显示导航结果。 五、 实验结果及分析 (一) 理论推导捷联惯导短时段(1分钟)位置误差,并用1分钟惯导实验数据验证。 1、一分钟惯导位置误差理论推导: 短时段内(t<5min ),忽略地球自转0ie ω=,运动轨迹近似为平面1/0R =,此时的位置误差分析可简化为: (1) 加速度计零偏?引起的位置误差:2 10.88022t x δ?==m (2) 失准角0φ引起的误差:2 02 0.92182g t x φδ==m (3) 陀螺漂移ε引起的误差:3 30.01376 g t x εδ==m 可得1min 后的位置误差值123 1.8157m x x x x δδδδ=++= 2、一分钟惯导实验数据验证结果: (1)纯惯导解算1min 的位置及位置误差图:

大一英语期末期末考试试题内含答案[1]

大学英语预备阶段练习(一) (Unit 1~4) ⅠWord Building Directions: Fill in the blanks with the correct form of the words given in the brackets. 1.Thank you very much for your ____ advice. I followed it and succeeded at last. (value) 2.His business has ____ rapidly since his brother came to help. (development) 3.After a two-day discussion, we finally found a ____ to the difficult problem. (solve) 4.Prices ____ high for quite a while .People began to complain about it. (remaining) 5.I don’t think it ____ to finish all the work today. We can go on with it tomorrow.(necessity) 6.It is obviously not ____ to leave a 3-year-old boy alone at home. (properly) 7.The tourists saw a beautiful ____ when they climbed onto the top of the mountain.(scene) 8.Traveling in the desert is a challenging ____ to most people. ( inexperience) 9.____, I don’t think it possible to finish the task in two days. (person) 10.The government must make sure that the economy is developed in the right ____.(direct) ⅡVocabulary and Structure Directions: Choose the best one from the four choices to complete the sentence. 11.The temperature ____ throughout the day in that part of the country. A. very B. remains C. differs D. varies 12.The game is full of violence and will certainly have a bad ____ on young players. A. meaning B. pain C. loss D. influence 13.The warm-hearted elderly lady downstairs is always ____ to help others. A. real B. ready C. practical D. polite 14.The question is ____ difficult in the exam today. Don’t you think so? A. therefore B. since C. rather D. otherwise 15.She used to live in a lovely ____ building near the sea. A. 3-story B. 3-stories C. 3-classed D. 3-classes 16.There are different ____ of transport in big cities for you to choose when you go out. A. means B. mean C. meanings D. meaning 17.They did not take a rest until the job was ____ finished. A. straightly B. specially C. completely D. fairly 18.The bookstore owner ____ the old magazines with a new ones to attract more readers. A. required B. reviewed C. repeated D. replaced 19.Would you like to buy the book? It is ____ reading. A. worthy B. firm C. further D. worth 20.She wears sunglasses to ____ her eyes from the sunshine in summer. A. prepare B. produce C. protect D. provide 21.We all like her very much for her pleasant ____: kind, gentle and warm-hearted. A. character B. chance C. chairman D. skills 22.All the students enjoyed the wonderful ____ by the professor that afternoon. A. discussion B. lecture C. advice D. solution 23.If you have confidence in yourself first, you will not be _______ by others easily. A.won B. doubled C. defeated. D. delayed 24.The little girl developed a strong _______ on her new friends.

2019年北京航天航空大学翻译硕士英语笔译mti考研真题分享 经验贴

北京航空航天大学英语翻译硕士考研 by育明教育506马老师 推荐复习参考书: 汉语写作与百科 《实用汉语语法与修辞》,杨月蓉,西南师范大学出版社1999 《中国文化读本》,叶朗,北京外语教学与研究出版社2008 《自然科学史十二讲》,卢晓江,北京中国轻工业出版社2007 《中国文学与中国文化知识应试指南》,林青松,东南大学出版社2005年版《公文写作》,白延庆,对外经贸大学出版社2004年4月 《汉语写作与百科知识》,首都师范大学,;李国正。2018年版 翻译硕士英语 《英语专业考研基础英语高分突破》,吴中东,世界图书出版社 《英语专业考研名校全真试卷——基础英语(全新精华版)》,张光明 《名校全真试卷(基础英语)》,郭棲庆 《英语笔译综合能力2级》,外文出版社 英语翻译基础 《当代西方翻译理论探索》,廖七一 《翻译学词典》,中英两版,Mark&Moira原著,谭载喜译著 《西方翻译理论流派研究》,李文革

《高级英汉翻译理论与实践》,叶子南,清华大学出版社 《英汉翻译教程(修订本)》,张培基 录取分数线: 北航翻译硕士一直以来是比较热门的考研专业之一,总体来说,北航翻译硕士招生量大,考试难度也不算太高。每年都有大量二本三本的学生考取,其中,北航翻译硕士的考生中94%是跨专业考生,在录取的学生中,基本都是跨专业考的。但是北航的报录比大约在1:7左右,近两年的难度是一直在上升,其中典型的就是添加了文言文翻译。2018年北航招收人数为24,历年都在50人左右,北航每年招生统考人数不断递减,推免人数不断增加,非全日制(在职研究生)扩招,2017年非全日制招收计划数150人,所以在以后的考研选择问题上非全日制也是一个大的突破口,而且各个高校都在不断地增加非全日制科目,日后非全日制必定是一大趋势! 在考研复试的时候,老师更看重跨专业学生的能力,而不是本科背景。其次,翻译硕士考试科目里,百科,翻译及基础本身知识点难度并不大,跨专业的学生完全能够学得懂。即使本科学翻译的同学,专业课也不见得比你强多少(大学学的内容本身就非常浅)。所以记住重要的不是你之前学得如何,而是从决定考研起就要抓紧时间完成自己的计划,下定决心,就全身心投入,要相信付出总会有回报。 复试形式和内容: 考核内容包括思想政治及综合素质、外语基础、双语互译、相关专业知识与能力。 复试形式为面试,包括三个环节:自我陈述、考生-考官交谈、回答问题,每个环节各满分100分。 每生面试时间20分钟。复试总成绩为三个环节成绩之和,满分300分。思想政治及综合素质考核不计入总分,但作为面试重要参考依据,不合格者不予拟录取。 录取办法: 1. 复试成绩与初试成绩相加,得出考生总成绩,根据各类型、各专业拟录取名额从高分到低分顺序拟录取;

北航惯性导航综合实验四实验报告

基于运动规划的惯性导航系统动态实验 二零一三年六月十日

实验4.1 惯性导航系统运动轨迹规划与设计实验 一、实验目的 为进行动态下简化惯性导航算法的实验研究,进行路径和运动状态规划,以验证不同运动状态下惯导系统的性能。通过实验掌握步进电机控制方法,并产生不同运动路径和运动状态。 二、实验内容 学习利用6045B 控制板对步进电机进行控制的方法,并控制电机使运动滑轨产生定长运动和不同加速度下的定长运动。 三、实验系统组成 USB_PCL6045B 控制板(评估板)、运动滑轨和控制计算机组成。 四、实验原理 IMU安装误差系数的计算方法 USB_PCL6045B 控制板采用了USB 串行总线接口通信方式,不必拆卸计算机箱就可以在台式机或笔记本电脑上进行运动控制芯片PCL6045B 的学习和评估。 USB_PCL6045B 评估板采用USB 串行总线方式实现评估板同计算机的数据交换,由评估板的FIFO 控制回路完成步进电机以及伺服电机的高速脉冲控制,任意2 轴的圆弧插补,2-4 轴的直线插补等运动控制功能。USB_PCL6045B 评估板上配置了全部PCL6045B 芯片的外部信号接口和增量编码器信号输入接口。由 USB_PCL6045B 评估测试软件可以进行PCL6045B 芯片的主要功能的评估测试。

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