媒体和通信 - 广播

在这里,您将学习一些与广播相关的英语单词,例如“干扰”、“信号”和“传输”。

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媒体和通信
frequency [名词]
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频率

Ex: In physics , frequency is measured in hertz , which represents the number of waves passing a point per second .

在物理学中,频率以赫兹为单位测量,表示每秒通过某一点的波的数量。

airwaves [名词]
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电波

Ex: Emergency services rely on the airwaves to communicate quickly and effectively .

紧急服务依靠电波来快速有效地进行通信。

gigahertz [名词]
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千兆赫

Ex: Modern Wi-Fi routers often operate at frequencies of 2.4 gigahertz and 5 gigahertz .

现代Wi-Fi路由器通常在2.4千兆赫和5千兆赫的频率下运行。

long wave [名词]
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长波

Ex: The radio station broadcasts on a long wave frequency , allowing it to be heard over vast distances .

广播电台以长波频率广播,使其能够在很远的距离被听到。

medium wave [名词]
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中波

Ex: The medium wave signal from the local radio station can be heard clearly across the city .

当地广播电台的中波信号可以在整个城市清晰地听到。

short wave [名词]
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短波

Ex: Short wave signals can travel thousands of miles by bouncing off the Earth 's atmosphere .

短波信号可以通过从地球大气层反射传播数千英里。

megahertz [名词]
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兆赫

Ex: When the technician adjusted the frequency to 50 megahertz , the signal became much clearer .

当技术员将频率调整到50兆赫兹时,信号变得清晰多了。

signal [名词]
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信号

Ex: My mobile phone lost signal in the remote area , making it impossible to make calls .

我的手机在偏远地区丢失了信号,导致无法拨打电话。

time signal [名词]
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时间信号

Ex: The radio station broadcasts a time signal every hour to help people keep their clocks accurate .

广播电台每小时广播一次时间信号,以帮助人们保持时钟准确。

UHF [名词]
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超高频

Ex: My smartphone uses UHF frequencies for its wireless communication with nearby devices .

我的智能手机使用 UHF 频率与附近设备进行无线通信。

vhf [名词]
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甚高频

Ex:

VHF 信号常被船舶用于在海上与海岸站保持联系。

waveband [名词]
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波段

Ex: You can switch between different wavebands on your radio to tune into various stations .

你可以在收音机上切换不同的波段来收听各种电台。

wavelength [名词]
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波长

Ex: The color of light is determined by its wavelength , with shorter wavelengths appearing blue and longer wavelengths appearing red .

光的颜色由其波长决定,波长较短的光呈现蓝色,波长较长的光呈现红色。

white noise [名词]
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白噪声

Ex: The baby slept peacefully with the white noise playing softly in the background .

婴儿在背景中轻柔播放的白噪声下平静地睡着了。

dead air [名词]
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死空气

Ex: The technician quickly fixed the issue to avoid too much dead air during the podcast .

技术人员迅速解决了问题,以避免在播客期间出现太多死寂

reception [名词]
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接收

Ex: He complained about the bad reception during the phone call .

他抱怨电话通话期间的接收质量差。

talkback [名词]
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对讲

Ex: The radio station ’s talkback feature allowed the host and producer to coordinate in real-time .

电台的对讲功能让主持人和制作人能够实时协调。

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公共访问

Ex: The local cable station offers public access for anyone who wants to create their own show .

当地有线电视台为任何想制作自己节目的人提供公共访问

network [名词]
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网络

Ex: The network ensures that news is broadcast across multiple regions at the same time .
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频率调制

Ex: Engineers prefer frequency modulation over amplitude modulation for its resistance to signal interference and noise .

工程师们更喜欢频率调制而不是幅度调制,因为它能抵抗信号干扰和噪音。

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幅度调制

Ex: The AM signal fades out when driving through areas with poor reception.

在接收不良的地区行驶时,幅度调制信号会逐渐消失。

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剪线

Ex: The rise of cord-cutting has led to a decline in viewership for traditional television networks .

剪线的兴起导致传统电视网络的收视率下降。