09 2018 档案

2018.9月总结

摘要：（1）回复邮件：10分钟（出错：1电子专业词汇 Coating 2不够礼貌）不要用长难句！一句话说一个事情，不要解释太多细节，他们更加注重结果和key point. 不要chinglish 英语邮件的格式（顶格，分点，先果后因，礼貌用语）注意时差（外国人下班不回邮件）关键信息要保留邮件和附阅读全文

posted @ 2018-09-29 10:36 keep1 阅读(122) 评论(0) 推荐(0)

L143 Seasonal 'Plague' Hits College Freshman

摘要：Sometimes, all the hand sanitizer in the world cannot prevent the inevitable.College freshmen across the country are being introduced to a whole new w 阅读全文

posted @ 2018-09-29 08:54 keep1 阅读(110) 评论(0) 推荐(0)

2018.9.28 长难句2-非简单句

摘要：原则：连接词和主句专一 2并列句 eg: Failing hips can be replaced ，clinical depression controlled，cataracts removed in a 30-minute surgical procedure. 3主从复合（2）宾语从句动阅读全文

posted @ 2018-09-28 19:14 keep1 阅读(144) 评论(0) 推荐(0)

Report: Disappearing Wetlands Put Planet Life at Risk

摘要：A new report warns that wetlands are disappearing three times faster than the world’s forests, with serious consequences for all life on earth.The Ram 阅读全文

posted @ 2018-09-28 08:27 keep1 阅读(133) 评论(0) 推荐(0)

2018.9.27 长难句1

摘要：一简单句 1subject+Verb 2subject+Verb+object3subject+Verb+indirect object+direct object4subject+Verb+object+object complement5subject+Verb+predicative 二复阅读全文

posted @ 2018-09-27 20:19 keep1 阅读(293) 评论(0) 推荐(0)

L142

摘要：keep half an eye on something分神留意splash out随意花钱大肆挥霍half a mind有想做某事go Dutch v. 各自付帐，打平伙chance in a million n. 百万分之一的机遇half the battle n. 成功了一半(有助于成功的阅读全文

posted @ 2018-09-27 19:24 keep1 阅读(203) 评论(0) 推荐(0)

L141

摘要：nest egg留窝鸡蛋，养老金，储备金first base一垒的位置, <俚>跨出第一步not hold a candle to不能与 ... 相比; 比不上a bone of contention n. 争论的原因smash hit 非常受欢迎的书，十分流行的歌曲，轰动的演出back to sq 阅读全文

posted @ 2018-09-26 14:04 keep1 阅读(203) 评论(0) 推荐(0)

L140

摘要：一本载有许多时装照片的杂志是用带有光泽的优质纸印制的。A glossy magazine has lots of pictures of fashionable clothes and is printed on good quality paper.A magazine containing ma 阅读全文

posted @ 2018-09-25 20:39 keep1 阅读(154) 评论(0) 推荐(0)

Agilent RF fundamentals （11）-Vector modulator

摘要：Vector modulator 矢量调制器：调整信号的幅度和相位 http://www.21ic.com/app/test/201805/762401.htm 阅读全文

posted @ 2018-09-22 16:22 keep1 阅读(220) 评论(0) 推荐(0)

Agilent RF fundamentals （10) Mixer ,Phase domain and modulator

摘要：1 Mixer characterization DC input Bias voltage Bias Current RF input Lo input IF output 2 mixer device Schottky diode: BJT or FET ：参考集成IC的datasheet 3 阅读全文

posted @ 2018-09-22 15:17 keep1 阅读(210) 评论(0) 推荐(0)

Agilent RF fundamentals （9）-Mixer basics

摘要：Function： change the frequency of the incident RF key parameters 阅读全文

posted @ 2018-09-22 14:39 keep1 阅读(174) 评论(0) 推荐(0)

2018.9.22 高中易错短语（1）

摘要：at someone's disposal任某人处理,供某人使用to some extent在某种程度上at the latest至迟, 最迟have to必须, 不得不either or adj. 按位加的(二者择一的)hear from v. 接到...的信, 受...批评drop in on 阅读全文

posted @ 2018-09-22 13:59 keep1 阅读(665) 评论(0) 推荐(0)

L138 Cryptocurrency Exchanges at Risk of Manipulation

摘要：Several cryptocurrency exchanges are plagued by poor market surveillance, pervasive conflicts of interest and lack sufficient customer protections, th 阅读全文

posted @ 2018-09-22 08:31 keep1 阅读(183) 评论(0) 推荐(0)

Agilent RF fundamentals （8） Oscillator Decisions

摘要：---------------------- 阅读全文

posted @ 2018-09-21 20:23 keep1 阅读(108) 评论(0) 推荐(0)

L138

摘要：Research indicates that lifestyles are changing fast.The essay isn't even remotely relevant to the topic.这篇文章毫不切题。Pretending to faint was merely an ar 阅读全文

posted @ 2018-09-21 14:27 keep1 阅读(162) 评论(0) 推荐(0)

L137

摘要：Uncontacted Tribes at Risk Amid ‘Worrying' Surge in Amazon Deforestation Illegal loggers and militias cleared an area three times the size of Gibralta 阅读全文

posted @ 2018-09-21 08:19 keep1 阅读(260) 评论(0) 推荐(0)

Agilent RF fundamentals （7） Oscillator characterization

摘要：Oscillator characterization 阅读全文

posted @ 2018-09-18 17:04 keep1 阅读(132) 评论(0) 推荐(0)

Agilent RF fundamentals （6） - Real TX/RX and RF model

摘要：LNA：Low-Noise Amplifier PA： Power Amplifier1 VGA： Variable-Gain Amplifier DC input Bias Volatage, Bias Current 阅读全文

posted @ 2018-09-17 16:59 keep1 阅读(290) 评论(0) 推荐(0)

L136

摘要：Newly formed blood vessels may contribute to eye disease: studyA study of Northwestern University (NU) found that blood proteins linked to macular deg 阅读全文

posted @ 2018-09-17 14:30 keep1 阅读(268) 评论(0) 推荐(0)

Agilent RF fundamentals （5）

摘要：2考虑两个因素 3 RX 4 TX RX switch use Duplexer 阅读全文

posted @ 2018-09-15 16:57 keep1 阅读(142) 评论(0) 推荐(0)

Agilent RF fundamentals （4）- Impedance match and distortions

摘要：1 Impedance match： 2 distortions： Solar radiation produces background noise 阅读全文

posted @ 2018-09-15 14:50 keep1 阅读(185) 评论(0) 推荐(0)

L134

摘要：这种成功和后来的研究（表明记忆本身并不是先天决定的）使爱立信总结到，记忆的行为与其说是一种习得的行为不如说是一种先天的行为。这点我们不清楚-构思物体和找出数字模型的能力，回答问题（最好的诗人和哲学家都回避的问题）任何参加过SAT考试的人都会证实应试技巧很重要，无论是知道什么时候靠猜，什么时候跳过阅读全文

posted @ 2018-09-15 13:56 keep1 阅读(391) 评论(0) 推荐(0)

2018.9.14 长难句1

摘要：It is not that ...but that 这不是说...而是说.... nothing else than 完全是 More...than 肯定形式：译为否定句; 比较，选择关系时：翻译为与其说...不如说；同类比较，翻译为：比...更 not so much as 与其说..不如阅读全文

posted @ 2018-09-14 19:51 keep1 阅读(115) 评论(0) 推荐(0)

L133

摘要：The U.S. Food and Drug Administration is considering a ban on flavorede-cigarettes in response to an "epidemic" of young people using e-cigarettes, th 阅读全文

posted @ 2018-09-14 08:27 keep1 阅读(321) 评论(0) 推荐(0)

Agilent RF fundamentals （3）- TX and RX

摘要：1Create carrier：谐振器，如433.92Mhz LC谐振 (频偏控制） 2Add data to carrier 加载数据 3Amplify to broadcast ：放大器，如NPN三极管射级电路 baseband processor：把信息数字化-变成二进制（编程定义） modu 阅读全文

posted @ 2018-09-13 18:29 keep1 阅读(177) 评论(0) 推荐(0)

Agilent RF fundamentals （2）- fundamental units of RF

摘要：1Amplitude AM调制 2 Frequency FM调制 3Phase Phase 调制复合调制三者关系：阅读全文

posted @ 2018-09-12 19:47 keep1 阅读(172) 评论(0) 推荐(0)

2018.9.8-9.8 统计学课程笔记（2）-参数统计

摘要：1估计量：用于估计总体参数的随机变量（是一个变量，变量）如样本均值，样本比例, 样本方差等2估计值：估计参数时计算出来的统计量的具体值（数值） 3点估计：用样本的估计量的某个取值直接作为总体参数的估计值 4区间估计：在点估计的基础上，给出总体参数估计的一个区间范围，该区间由样本统计量加减估计误差阅读全文

posted @ 2018-09-12 18:42 keep1 阅读(604) 评论(0) 推荐(0)

2018.9.8-9.8 统计学课程笔记（1）-从概率论到统计学

摘要：学习目标：抓住80%的核心考点 (参考专业综合考试大纲一书）重点如下： 1概率论知识（同大学课程）：计算均值，方差，标准差，背公式，正态分布 2统计量及抽样分布-核心知识 3参数估计(计算题） -居间估计计算 4假设检验（判断题） 5线性回归方程（小题）-判断相关性 6other：其他是非重点开阅读全文

posted @ 2018-09-11 20:38 keep1 阅读(598) 评论(0) 推荐(0)

Siemens

摘要：Sr.EE-Complete the electronics and mechanical designs from design concepts to mass production for RUC (Rapid Update Cycle)projects in the target quali 阅读全文

posted @ 2018-09-11 18:40 keep1 阅读(306) 评论(0) 推荐(0)

Agilent RF fundamentals （1）- fundamental units of measure

摘要：阅读全文

posted @ 2018-09-10 19:23 keep1 阅读(113) 评论(0) 推荐(0)

L132

摘要：Major Opioid Maker to Pay for Overdose-Antidote Development A company whose prescription opioid marketing practices are being blamed for sparking the 阅读全文

posted @ 2018-09-06 08:39 keep1 阅读(147) 评论(0) 推荐(0)

L131

摘要：Fake, Low Quality Drugs Come at High CostAbout one in eight essential medicines in low- and middle-income countries may be fake or contain dangerous m 阅读全文

posted @ 2018-09-01 09:07 keep1 阅读(322) 评论(0) 推荐(0)

09 2018 档案

公告