宽频谱信号传输

9) The number of violent acts on televisions in the past years __ has increased __ (increase) from about 19 to 27 per hour. (15A 2004 上 ) 10) Your mind _ will keep ___ (keep) up with your reading sp

发表于:2018-12-01 / 阅读(260) / 评论(0) 分类 自考英语(一)78讲

One of these wavelengths corresponds to hydrogen, another wavelength would be iron. Another wavelength would be oxygen. And so you go to the part of the spectrum you are interested in and you see you'

发表于:2019-01-02 / 阅读(197) / 评论(0) 分类 火星生命

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(167) / 评论(0) 分类 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

发表于:2019-01-03 / 阅读(204) / 评论(0) 分类 电信英语

Fade - This is a reduction in the received signal. It is caused by absorption, refraction, or reflection. Fax - This is a shortening of Facsimile, and it refers to one fax machine sending a digital re

发表于:2019-01-03 / 阅读(145) / 评论(0) 分类 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

发表于:2019-01-03 / 阅读(182) / 评论(0) 分类 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.

发表于:2019-01-03 / 阅读(164) / 评论(0) 分类 电信英语

Direct Inward Dialing (DID) DID is PBX-to-central office trunks that allow incoming calls to a PBX to ring specific stations without attendant assistance. DID greatly reduces the number of required co

发表于:2019-01-03 / 阅读(171) / 评论(0) 分类 电信英语

中文 英文 缩写 初始存取时间 initial access time 初始地址消息 Initial Address Message IAM 初始地址信息 initial address information 初始化报文 initial message 初始化信道分

发表于:2019-01-03 / 阅读(127) / 评论(0) 分类 电信英语

China has long depended on coal-burning power plants to fuel its explosive growth over the past three decades. As a result, air pollution has risen to alarming levels in central and eastern regions. Policymakers have been working hard to shift the co

发表于:2019-01-19 / 阅读(248) / 评论(0) 分类 2017CRI中国国际广播电台

HARI SREENIVASAN: The U.S. Food and Drug Administration today asked blood centers in two in Florida counties to suspend blood donations until each unit can be screened for the Zika virus. This comes as state health officials investigate four non-trav

发表于:2019-01-27 / 阅读(176) / 评论(0) 分类 PBS访谈健康系列

BEIJING, March 13 (Xinhua) -- Both China and U.S. signaled that the world's two biggest economies should explore a road of new-type relations. The new type of relations between major powers should be based on mutual respect, cooperation and seeking w

发表于:2019-02-03 / 阅读(179) / 评论(0) 分类 英语新闻

BEIJING, Sept. 26 (Xinhuanet) -- Weather forecasts showed that Thursday or Friday might be suitable for launching the Tiangong-1 spacecraft, experts said. The unmanned spacecraft, part of China's first spacecraft rendezvous and docking mission, was s

发表于:2019-02-03 / 阅读(267) / 评论(0) 分类 英语新闻

今天我们要学的词是signal。 Signal, 作为动词,意思是显示。 The number of Americans filing for unemployment benefits for the first time fell to the lowest level in nearly six months, signaling a slight improvement in the job market

发表于:2019-02-05 / 阅读(181) / 评论(0) 分类 英语单词荟萃

每年的12月1日是世界艾滋病日,今年中国的宣传主题是合力抗艾,共担责任,共享未来。 请看相关报道: Six out of every 10,000 people in China may be infected with HIV/AIDS, according to official figures revealed

发表于:2019-02-11 / 阅读(153) / 评论(0) 分类 英语口语

Voice 1 Thank you for joining us for todays Spotlight program. Im Liz Waid. Voice 2 And Im Rebekah Schipper. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice

发表于:2019-02-14 / 阅读(336) / 评论(0) 分类 环球英语 Spotlight

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(158) / 评论(0) 分类 经济学人科技系列

Glossary for Telecomunications This glossary helps explain some of the acronyms and technical phrases Bluetooth A short-range wireless technology designed to allow connection of portable devices in a wire-free manner. For example connection of a wire

发表于:2019-02-18 / 阅读(194) / 评论(0) 分类 实用英语

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

发表于:2019-02-23 / 阅读(172) / 评论(0) 分类 英语时差8,16

E. T. Phoned. Now What? 外星人来电 Suppose one day scientists pick up a transmission they think is generated by alien s . Now what? Do we build a landing strip and break out the welcome wagon? Well heres the thing about picking up alien broadcas

发表于:2019-02-24 / 阅读(163) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
.scp
2-hydroxy-6-aminopyrimidine
acustico-facial trunk
Aereo
air draught
alkyd (resin) enamel
alpine diamond
Alsfeld
anti-chinese
background galaxy
badlings
Bindloss
biodegradations
brown soft scale
browser detection
cada
cetartiodactyls
chelid
chesterville
cine projectors
civil capability
colour decoding circuit
commission for collection
contra-propulsion bulb
cosmic-ray meson
crassantly
cultural accomplishment
deactivation
doxes
Elatostema acutitepalum
Ernestine Schumann-Heink
eviota guttata
extension of meaning
finish presser
geocoders
glossacele
gravimetrical coordinates
hardwood bat
heraclides
homophonic filtering
huiscoyol
infant-tie
Isle of Wight disease
kidded
krasovskii
kyrtorrhachic
lap link
line voltage start
loudening
meningorrhagia
metallic nuclear fuel
micropalaeontologic
molybdenum retainer
monocular movement parallax
Nabu-rimanni
nonexcepted
nypress
OJs
Ollantaitambo
Oxybicycline
Panurin
phyles
plain meaning
polechain
poly-unsaturated
portfolio transfer
positron decay
precision leveling
presentiveness
pro-forma
proficiently
quasi-private revenue
Rastede
remem-bered
reupholster
sclerectom
scriptally
seld
simvastatins
single-cantilever gantry crane
source code repository
spiracle line
steifel
stick like glue to sb
stock market manipulation
Superloy
synthetic rubber washer
Tabernaemontana divaricata
tectibranchiate
test pour point
three phase alloy
timonacic
tricing pendant
trunnion carriage
turbine-generator protection system
two-terminal resistance
under his belt
urotoxin
Vaccinium ashei
velvet fabric
writ of inquiry