单词：standard frequency and time signal satellite service
单词：standard frequency and time signal satellite service 相关文章
Most of them travel 40,000 miles to a satellite and then back to earth. Ten years ago, a satellite was capable of receiving and transmitting more than 33,000 telephone conversations simultaneously. No
自考英语（一）78讲
11Cable and Satellite TV GLOSSARY cable TV cable television; television services that are delivered through longwires that are underground or high in the air* With cable TV you can see hundreds of channels from all around the world. satellite TV sate
2007年ESL之餐饮娱乐
驾车的朋友深有体会，有了卫星导航系统，去哪里都不用愁。 Alice: Hello, I'm Alice. Stephen: And I'm Stephen. Alice: And this is 6 Minute English! This week were talking about sat navs. Stephen: Sat navs thats short for satelli
一起听英语
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
电信英语
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
电信英语
WAN wide area network WARC World Administrative Radio Consortium WATS Wide-area telecommunications services. See Wide-area telecommunications services. Waveform amplitude (magnitude) versus time repre
电信英语
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
电信英语
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
电信英语
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.
电信英语
D type Channel Bank A D type channel bank is channel termination equipment used for combining (multiplexing) individual analog channel signals on a time division basis. D type channel banks provide in
电信英语
B-Mac - This is a method of transmitting and scrambling television signals; the are time-multiplexed with a digital burst that contains digitized sound, video synchronizing, authorization, or informat
电信英语
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
电信英语
Marion: Im trying to decide whether to get cable or satellite TV. Which one do you have at your apartment? Cesar: I have satellite, but I used to have cable. Marion: Whats the difference? Cesar: Not a lot. With satellite, you have to have a satellite
地道美语播客
China Eastern Airlines has become the first Chinese carrier to provide Wi-Fi services on both domestic and international flights. According to the Ministry of Industry and Information Technology, the carrier is allowed to use the AsiaSat-6 satellite
英语新闻
MOSCOW, June 27 (Xinhua) -- Russia successfully launched a Cosmos class military satellite on Monday, said spokesman of the Russian Space Forces Alexei Zolotukhin. A Soyuz-U carrier rocket carrying the military satellite blasted off from the Plesetsk
英语新闻
MOSCOW, Nov. 25 (Xinhua) -- Russia's Proton-M carrier rocket was launched on Friday from the Baikonur space center in Kazakhstan with a Chinese communications satellite AsiaSat-7, according to Russia's Federal Space Agency Roscosmos. Roscosmos' live
英语新闻
1. 电话断线 drop call，如： My phone keeps dropping calls. 我的手机一直断线。 2. 没信号 no signal，如： I've got no signal/reception (on my phone). 我手机没信号。 3. 信号不好 spotty service，如： China Unicom 3G se
英语口语
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
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