01 2019 档案

Filter

摘要：1 Transceiver Design As we look into the schematics of the GSI transceiver reference design, the filter in the transmission path will be as the Fig.1 阅读全文

posted @ 2019-01-27 15:32 keep1 阅读(186) 评论(0) 推荐(0)

L248 词汇题 2006

摘要：The audience, hostile at first, were greatly impressed by her excellent performance. He wanted to stay at home, but at last he agreed, very reluctantl 阅读全文

posted @ 2019-01-26 14:56 keep1 阅读(154) 评论(0) 推荐(0)

L246‘’

摘要：Should English classes be compulsory at the elementary or primary school level in countries where it is not the native language? Both attacks and defe 阅读全文

posted @ 2019-01-25 16:59 keep1 阅读(242) 评论(0) 推荐(0)

2019.1.23 DFMEA for

摘要：阅读全文

posted @ 2019-01-24 16:40 keep1 阅读(217) 评论(0) 推荐(0)

L245

摘要：The State Council will lay down new rules that aim to make management compatible with internationally accepted conventions.（conferences） The dean can’ 阅读全文

posted @ 2019-01-24 10:36 keep1 阅读(335) 评论(0) 推荐(0)

2019.1.22 zigbee test

摘要：1传输测试频谱仪设置： sigfox 模块串口设置：自动选择对应型号 Test step： PS：发送TX指令 AT$cw=波特率，通道，uint 这里有个问题--不应该只发送一次 Test： open uart debug tool Connect sigfoc model 阅读全文

posted @ 2019-01-22 18:42 keep1 阅读(267) 评论(0) 推荐(0)

L243 词汇题2009

摘要：The applications of genetic engineering are abundant （plentiful） and choosing one appropriate for this case can be rather difficult. The newly elected 阅读全文

posted @ 2019-01-22 09:04 keep1 阅读(158) 评论(0) 推荐(0)

L242

摘要：They provide a means of keeping track of the thousands of journal papers that are published monthly or quarterly. 它们提供了一种跟踪每月或每季发表的数千篇期刊论文的方法。 From ob 阅读全文

posted @ 2019-01-21 09:12 keep1 阅读(204) 评论(0) 推荐(0)

L241

摘要：Parents, try to get enough sleep to role model good habits to children. Bessesen notes that some medical school programs require student doctors to sl 阅读全文

posted @ 2019-01-21 08:25 keep1 阅读(151) 评论(0) 推荐(0)

L240

摘要：Giant rocks from space are falling from the sky more than they used to, but don't worry. For the past 290 million years, large asteroids have been cra 阅读全文

posted @ 2019-01-20 10:02 keep1 阅读(134) 评论(0) 推荐(0)

L238

摘要：Betty was offended because she felt that her friends had ignored her purposefully（deliberately） at the party. There has been enough playing around, so 阅读全文

posted @ 2019-01-17 18:03 keep1 阅读(306) 评论(0) 推荐(0)

L237

摘要：The British parliament on Tuesday rejected overwhelmingly the Brexit deal, further complicating the country's historic exit from the European Union. Y 阅读全文

posted @ 2019-01-17 08:46 keep1 阅读(197) 评论(0) 推荐(0)

L236

摘要：The Norwegian Authority for Investigation of Economic and Environmental Crime (Okokrim) said the move would have led Tidal to have paid disproportiona 阅读全文

posted @ 2019-01-16 09:25 keep1 阅读(253) 评论(0) 推荐(0)

WLAN 802.11 a/b/g PHY Specification and EDVT Measurement V

摘要：Receive Minimum Input Level (Sensitivity) 测试方法： Receiver Adjacent Channel Rejection (ACR) -For IEEE802.11b 18.4.8.3 (11Mbps), For 802.11b 15.4.8.3 (2M 阅读全文

posted @ 2019-01-15 18:14 keep1 阅读(801) 评论(0) 推荐(0)

L235

摘要：China will launch the Chang'e-5 probe by the end of this year to bring moon samples back to Earth, a senior official of the China National Space Admin 阅读全文

posted @ 2019-01-15 08:34 keep1 阅读(260) 评论(0) 推荐(0)

WLAN 802.11 a/b/g PHY Specification and EDVT Measurement III

摘要：Transmit Rated Emission (FCC) AC power conducted emission.-FCC 15.207 Minimum 6 dB bandwidth. -500kHz Minimum -(FCC 15.247(a).2) Power spectral densit 阅读全文

posted @ 2019-01-14 18:42 keep1 阅读(315) 评论(0) 推荐(0)

L233

摘要：Betty was offended because she felt that her friends had ignored her purposefully（deliberately） at the party. There has been enough playing around, so 阅读全文

posted @ 2019-01-14 14:05 keep1 阅读(467) 评论(0) 推荐(0)

L232 No methane on Mars

摘要：On earth, most of the methane in the atmosphere has been belched by living organisms, so finding the gas on Mars would be happy news for seekers after 阅读全文

posted @ 2019-01-14 11:06 keep1 阅读(209) 评论(0) 推荐(0)

L229 词汇题

摘要：The incidence of lung cancer is particularly high among long-term heavy smokers，especially chain smokers. Nothing is so uncertain as the fashion marke 阅读全文

posted @ 2019-01-12 09:54 keep1 阅读(210) 评论(0) 推荐(0)

L228 the complicated issue of equality： non-disabled actors play disabled roles

摘要：Bryan Cranston’s defence of playing a wheelchair user in the new comedy-drama The Upside has underlined a particular point in the complicated issue of 阅读全文

posted @ 2019-01-12 09:04 keep1 阅读(215) 评论(0) 推荐(0)

2019.1.11 EDVT

摘要：Processing Gain and Occupied Bandwidth ESA Basic Setup (11b)Span 110MHzRBW 100kHzVBW 100kHzSweep Time 500msDetector RMS AverageESA Basic Setup (11a/g) 阅读全文

posted @ 2019-01-11 18:24 keep1 阅读(275) 评论(0) 推荐(0)

L226

摘要：The dean can’t see you at the moment. He is addressing the first-year students in the lecture hall.系主任现在不能见你。他正在演讲厅向一年级的学生讲话。 He does nothing that vio 阅读全文

posted @ 2019-01-11 13:28 keep1 阅读(156) 评论(0) 推荐(0)

L224

摘要：Astronomers have revealed details of mysterious signals emanating from a distant galaxy, picked up by a telescope in Canada.The precise nature and ori 阅读全文

posted @ 2019-01-11 09:27 keep1 阅读(268) 评论(0) 推荐(0)

L224 词汇题

摘要：Elaborate 精心的 preparations were being made for the Prime Minister’s official visit to the four foreign countries. This local evening paper has a circu 阅读全文

posted @ 2019-01-10 20:40 keep1 阅读(207) 评论(0) 推荐(0)

2019 上

摘要：明年上半年三件事： a.5月底国考(英语，专业综合） b.英语口语培训 1-3月 c.ODM项目（RF PADS-Layout IOT project）一英语备考 1月- 基础巩固班视频（每晚7点），做完课后习题（每晚8点），大纲词汇过一遍（把生词录入有道词典）（每天早上7点） 2月-把英语考试阅读全文

posted @ 2019-01-10 20:13 keep1 阅读(167) 评论(0) 推荐(0)

2019.1.10 L223

摘要：Heavy rains that brought additional pollution downstream last year contributed to the first decline in a decade to the overall health of the Chesapeak 阅读全文

posted @ 2019-01-10 08:44 keep1 阅读(146) 评论(0) 推荐(0)

L222 词汇题

摘要：Some psychologists argue that the traditional idea “spare the rod and spoil the child” is not rational（sensible）合理的一些心理学家认为,传统观念“闲了棍子,惯了孩子”是不合理的Provid 阅读全文

posted @ 2019-01-09 13:58 keep1 阅读(376) 评论(0) 推荐(0)

L221

摘要：Hyundai has shown off a small model of a car it says can activate robotic legs to walk at 3mph (5km/h) over rough terrain.Also able to climb a 5ft (1. 阅读全文

posted @ 2019-01-09 08:35 keep1 阅读(188) 评论(0) 推荐(0)

L220

摘要：He must not allow this unusual barrier （obstacle） to stop him from fighting against the enemy.他绝不能让这个不寻常的障碍阻止他同敌人作战。 Next semester, Susan must take th 阅读全文

posted @ 2019-01-08 09:09 keep1 阅读(181) 评论(0) 推荐(0)

2019.1.7 EDVT measurement III

摘要：Frequency Accuracy SpecificationFor IEEE 802.11a 17.3.9.4 ± 20ppm MaximumFor IEEE 802.11b 18.4.7.4± 25ppm Maximum (± 60kHz)For IEEE 802.11g 19.4.7.2± 阅读全文

posted @ 2019-01-07 20:45 keep1 阅读(237) 评论(0) 推荐(0)

2019.1.7 Russia temperature control demo

摘要：1layout 2导出Gerber 做钢网 3刷锡膏 4.1调SMT程序： a摆元件，写P/N位置 b定位检测点 4.2手贴元件手别抖！ 5过炉温度270 6插件PCBA 做载板最方便，手插焊接也行，会有焊接上锡痕迹 7组装加散热片和机械物料 8烧录用电脑烧录 9调试做功能调试阅读全文

posted @ 2019-01-07 18:11 keep1 阅读(136) 评论(0) 推荐(0)

L219 China's office workers consider further education, training essential

摘要：More than 90 percent of China's office workers consider on-the-job training and continuing education to be essential in improving their capabilities a 阅读全文

posted @ 2019-01-07 09:03 keep1 阅读(139) 评论(0) 推荐(0)

L217

摘要：China has announced that it will further simplify the approval procedures for the private sector to open medical institutions.Approval procedures shou 阅读全文

posted @ 2019-01-06 08:48 keep1 阅读(188) 评论(0) 推荐(0)

2019.1.5 China’s population

摘要：China’s population is expected to hit a peak of 1.44 billion in 2029, and start to experience negative growth from 2030 onwards, with the number of pe 阅读全文

posted @ 2019-01-05 09:08 keep1 阅读(418) 评论(0) 推荐(0)

2019.1.3 WLAN 802.11 a/b/g PHY Specification and EDVT Measurement II - Transmit Spectrum Mask & Current Consumption

摘要：Transmit Spectrum Mask Specification – 802.11b SpecificationFor 802.11b 18.4.7.3The transmitted spectral products shall be less than –30dBc for fc-22M 阅读全文

posted @ 2019-01-04 18:01 keep1 阅读(721) 评论(0) 推荐(0)

L215 Visual impairment

摘要：Visual impairment（视觉障碍）carries with it a reduced or restricted ability to travel through one’s physicaland social environment until adequate orientati 阅读全文

posted @ 2019-01-04 16:43 keep1 阅读(382) 评论(0) 推荐(0)

2019.1.3 WLAN 802.11 a/b/g PHY Specification and EDVT Measurement I - Transmit Power Level

摘要：This lecture provides the WLAN hardware engineer the essential knowledge of IEEE 802.11 a/b/g physical specification and the basic skill of how to do 阅读全文

posted @ 2019-01-03 19:57 keep1 阅读(424) 评论(0) 推荐(0)

L213

摘要：The world lost seven astronauts of Space Shuttle Columbia(哥伦比亚号航天飞机) this month. It broughthome the serious risk that 1humans face into the hostile en 阅读全文

posted @ 2019-01-03 14:04 keep1 阅读(183) 评论(0) 推荐(0)

L212

摘要：Just 33 minutes into the New Year, NASA's New Horizons probe made space exploration history, flying by the most distant body ever visited by a spacecr 阅读全文

posted @ 2019-01-03 08:25 keep1 阅读(319) 评论(0) 推荐(0)

RF layout check list

摘要：Analog-digital circuit 1. Insure C36 and C33 placed next to each other to avoid open stubs 2. Keep UART lines away from 26 MHz traces 3. Keep 26 MHZ t 阅读全文

posted @ 2019-01-02 20:35 keep1 阅读(365) 评论(0) 推荐(0)

L211

摘要：Violin prodigies (神童), I learned , have come in distinct waves from distinct regions . Most of the greatperformers in the late 19th and early 20th cen 阅读全文

posted @ 2019-01-02 19:37 keep1 阅读(212) 评论(0) 推荐(0)

L210 Ebola

摘要：Progress in fighting Democratic Republic of the Congo's Ebola outbreak, the second worst ever, will be reversed if fighting continues around the disea 阅读全文

posted @ 2019-01-02 09:21 keep1 阅读(129) 评论(0) 推荐(0)

01 2019 档案

公告