图像射频信号

英语诗歌:Dream-A Passion within You 梦想-你心中永远的激情

Hi, welcome to Faith Radio Online-Simply to Relax, I'm Faith. It's December, so the most of the year is now behind us. But there's a new year coming up, which will give us time to live, to love, to give, and to make our dreams come true. What kinds

发表于:2018-12-07 / 阅读(82) / 评论(0)

英语诗歌

英语笑话听力+文本：AM radio 调幅收音机

Iknewaguywhoplayedhisradioonlyinthemorning. Whensomeoneaskedhimwhy ， hereplied,ThisisanAMradio. Notes: 1.Iknewaguywhoplayedhisradioonlyinthemorning. 我认识一个人，他只在早上收听广播。 2.Whensomeoneaskedhimwhy ， hereplied,Thisisan

发表于:2018-12-26 / 阅读(106) / 评论(0)

英语笑话（MP3+文本）

国家地理-2008-04-19 New Search For ET 寻找外星人（下）

Is anyone out there? For over 40 years scientists have been searching for extraterrestrial intelligence, but theyve found nothing. Now the new Allen Telescope Array, a string of 350 radio telescopes, is being built 300 miles north of San Francisco a

发表于:2018-12-30 / 阅读(107) / 评论(0)

国家地理2008年

Norway to End FM Radio Broadcasts

On January 11, Norway became the first country to begin turning off signals from its FM radio network. The Norwegian stations will instead use only digital audio broadcasting, called DAB. FM, or frequency modulation, radio stations have been in opera

发表于:2019-01-02 / 阅读(170) / 评论(0)

2017年VOA慢速英语(一)月

科学家发现宇宙第一颗恒星形成证据

Astronomers: Evidence Found of First Stars Astronomers have observed what they believe is the formation of the universe 13.6 billion years ago, when the earliest stars were just starting to shine. The astronomers say their observations may also have

发表于:2019-01-03 / 阅读(71) / 评论(0)

2018年VOA慢速英语(三)月

VOA慢速英语2018--US Timekeeping Stations Might Go Silent

Three radio stations in the United States mainly broadcast one thing: the official time. The three are radio stations WWV and WWVB, in the state of Colorado, and WWVH, on the island of Kauai in Hawaii. They send out signals that are used by millions

发表于:2019-01-03 / 阅读(110) / 评论(0)

2018年VOA慢速英语(九)月

电信专业英英词典C-1

Cache - Generally, a place to temporarily store something. Regarding computers and telecommunications, it is a place where data is temporarily stored during transmission. Call - This is a connection b

发表于:2019-01-03 / 阅读(114) / 评论(0)

电信英语

电信专业英英词典D-2

Delay - This is the wait time between to specific events, and regarding satellite communications, it is the time it takes for a signal to go from the transmission station up to orbit and through the s

发表于:2019-01-03 / 阅读(107) / 评论(0)

电信英语

电信专业英英词典M-3

Multimode Optical Fiber(S) Multimode fibers, with much wider cores than single mode fibers, allow light to enter at various angles, and reflect (bounce off of) core-clad boundaries as electromagnetic

发表于:2019-01-03 / 阅读(125) / 评论(0)

电信英语

电信专业英英词典F-2

Focal Length - Distance from the exact center of the dish to the center of the feed. Focal Point - The physical point in space toward which the satellite reflector dish directs the received signal so

发表于:2019-01-03 / 阅读(125) / 评论(0)

电信英语

电信专业英英词典E-1

Earth Station - The term used to describe the combination of antenna, low-noise amplifier (LNA), down-converter, and receiver electronics that are used to receive a signal transmitted by a satellite.

发表于:2019-01-03 / 阅读(108) / 评论(0)

电信英语

电信专业英英词典A-3

AT Command - This is the character

发表于:2019-01-03 / 阅读(116) / 评论(0)

电信英语

电信类英语词汇表大全-37

中文英文缩写多功能话务台 Multi-function Attendant Console MAC 多功能信息分配系统 Multi-function Information Distribution System MIDS 多级存储管理 multi-tier hierarchical

发表于:2019-01-03 / 阅读(122) / 评论(0)

电信英语

可以帮助农民干活的机器人

Robot Can Help With Farm Work 可以帮助农民干活的机器人 In the American state of Idaho, a robot moves between lines of fruit trees and grapevines. It is doing farm work. Called IdaBot, this robot is a prototype, or model. An engineering te

发表于:2019-01-12 / 阅读(426) / 评论(0)

2016年VOA慢速英语(十一)月

英语听力：自然百科 New Search For ET 寻找外星人（下）

And clearly, we are trying to find evidence of ET, and we are trying to do that by looking for a signal, in whats called the electromagnetic spectrum, which is a fancy way of saying the radio dial, at least for us. Let me turn on my radio here, okay,

发表于:2019-01-22 / 阅读(107) / 评论(0)

自然百科2008年

Wifi信号弱？放置地点有问题

Deciding where to place a Wi-Fi router at home to minimise signal blackspots is a fine art. But a physicist has attempted to tackle the problem by mathematically working out the optimum position for a router. He studied how walls and reflections affe

发表于:2019-02-08 / 阅读(119) / 评论(0)

英语新闻

经济学人219:寻找外星人

Science and technology 科学技术 Searching for aliens 寻找外星人 The wow factor 防止再次意外 A new citizen-science project will improve the chances of finding ET 一个新的平民科学项目可以增大找到地外智慧的机会 EVER

发表于:2019-02-16 / 阅读(106) / 评论(0)

经济学人科技系列

“视频”用英语怎么说

视频在英语中常表示为： video frequency (V.F.); vision frequency; visual frequency; video 例句: 1. 谁说视频游戏不能被赋予教育意义? Who says video games aren't educational? 2. 选择面广而且视频质量高。 High qualit

发表于:2019-02-18 / 阅读(126) / 评论(0)

英语口语

【英语时差8，16】外星人来电，说什么？

the previous show Don and Yael discussed communication from other worlds. Well, as it turns out if E.T. does try to phone it will be much more complicated than can you hear me now? D: Okay, Yael, so suppose one day scientists pick up a transmission t

发表于:2019-02-23 / 阅读(110) / 评论(0)

英语时差8，16

美国有线新闻 CNN 来自外星人的问候? 加拿大侦测到外太空重复电波

What do the names Whirlpool, Black Eye, and Sombrero all have in common? Are they all appliance brands, names of galaxies, special ops forces, or oceanic reefs? These are all the names of galaxies, massive concentration of stars. AZUZ: Of course, the

发表于:2019-03-04 / 阅读(185) / 评论(0)

CNN美国有线新闻2019年1月

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