信号频(率频)谱

What's the frequency kenneth is your benzedrine Uh huh I was braindead locked out numb not up to speed I thought I'd pegged you an idiot's dream Tunnelvision from the outsider's screen I never understood the frequency Uh huh You wore our expectations

发表于:2018-12-13 / 阅读(180) / 评论(0) 分类 Friends 老友记全10季英语插曲

Economics Report - A Closer Look at High-Frequency Trading 经济报道 - 近距离审视股票市场高频交易 This is the VOA Special English Economics Report. 这里是美国之音慢速英语经济报道。 Once, stocks were traded through the

发表于:2018-12-16 / 阅读(159) / 评论(0) 分类 2011年VOA慢速英语(十)月

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(153) / 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(137) / 评论(0) 分类 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

发表于:2019-01-03 / 阅读(125) / 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(165) / 评论(0) 分类 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

发表于:2019-01-03 / 阅读(142) / 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(114) / 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(141) / 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(130) / 评论(0) 分类 电信英语

AT Command - This is the character

发表于:2019-01-03 / 阅读(131) / 评论(0) 分类 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

发表于:2019-01-03 / 阅读(143) / 评论(0) 分类 电信英语

Screams Have Special Place in Brain 尖叫声在大脑中会有特殊的位置 From VOA Learning English, this is the Health Lifestyle report. Have you ever thought about screaming? A blood-curdling scream is a natural reaction to sudden, extreme fri

发表于:2019-01-12 / 阅读(129) / 评论(0) 分类 2015年VOA慢速英语(八)月

High Frequency Traders Under Scrutiny 美司法部调查高频交易 The U. S. Justice Department is investigating the relationship between high frequency trading firms and major exchanges -- and regulators in Washington and the state of New York are

发表于:2019-01-14 / 阅读(164) / 评论(0) 分类 VOA标准英语2014年(四月)

Chinese scientists have announced a gravitational wave research plan they're dubbing Taiji. The Chinese Academy of Sciences says their research plans will be finalized later this year. Academy member Wu Yueliang says their research will focus on low

发表于:2019-02-02 / 阅读(155) / 评论(0) 分类 英语新闻

There are many ways to express the frequency of events. Here are just a few. 你可以用许多方式来表达事情发生的频率,以下仅为其中一些。 1. a few times 1.几次 2. all the time 2.总是 3. almost always 3.几乎总是 4. almo

发表于:2019-02-03 / 阅读(172) / 评论(0) 分类 实用英语

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(121) / 评论(0) 分类 经济学人科技系列

By Stuart Cohen Sydney 08 October 2009 Southern Brown Tree Frog sits on a log in swampy lands near Melbourne, Australia (Sept 2009 file photo) Australia's frogs are having trouble finding love. Traffic noise and other sounds of city life, such as ai

发表于:2019-02-20 / 阅读(117) / 评论(0) 分类 VOA标准英语2009年(十月)

Chinese scientists have announced a gravitational wave research plan they're dubbing Taiji. The Chinese Academy of Sciences says their research plans will be finalized later this year. Academy member Wu Yueliang says their research will focus on low

发表于:2019-02-21 / 阅读(138) / 评论(0) 分类 2016CRI中国国际广播电台

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(130) / 评论(0) 分类 英语时差8,16
学英语单词
2-hydroxyethyl methacrylate
aeronautical broadcast station
aftline
ahmad
algebraic compiler and translator i (act/i)
alternating dry and wet test with sea water
antimony sulphurate
auto feed
automatic actuation
automatic lifting conveyor
bleached zone
block multiplexer mode
bow ties
Brand-Nagelberg
brood-capsules
buccopharyngeal armature
cam lift
catalytic methylation
chemical smoke
continuing insurance
crab boils
cribriform plates
crop pickup
crystal structure of alloy
D of L
dead engine
desert dune
deuteropathic insanity
down cotton harvesting machine
downgoing
dubhium
Ecboviruses
extra-wide
fish-bones
form drawing
fossa rhomboidea
gardenias
give full play to
gnaphalium involucratum ramosum
goniff, gonif
governmental owership
guerdoning
Guéringou
hairough
heasley
hybrid hard disk
indicator of educational quality
Kilwa Kivinje
lam
last course
least-restrictive
lignum campechianum
lime-caustic precipitation
little frog in a big pond
lupoid
Malteser
manglazed
marsilids
minidictionaries
monosodium orthophosphate
Montagovian
musquetteer
nice money
note receivable from stockholders
null infinities
oil-quenching steel
one-runway
open belting
orthorhombic normal class
over size shoes
pentasaccharide
phoh
physical and mechanical properties
picos
pratyekabuddha
Present value factor
radio clock
rottweiller
sedating
self-focussing
septico-
single band
sleeve connector
sonolator
sphere gap
sustained capacity
swanbeck
tactical air-direction center
thrown back on
time distance curve
triple deck chip screen
troglobi(o) tic
tuckets
tumed
twired
two-leaf
unburned charge
unsupportively
waqif
wire radio
WPBP
x