short wave receiver

简明释义

短波接收机

英英释义

A short wave receiver is a device designed to receive radio signals transmitted at short wave frequencies, typically ranging from 3 to 30 MHz, which allows for long-distance communication and reception of international broadcasts.

短波接收器是一种设备,旨在接收在短波频率(通常范围为3至30 MHz)上发射的无线电信号,允许进行远距离通信和接收国际广播。

例句

1.During my travels, I always carry a short wave receiver to stay updated with news.

在我的旅行中,我总是带着一个短波接收机以便随时了解新闻。

2.The short wave receiver allows me to pick up signals from around the world.

这个短波接收机让我可以接收到来自世界各地的信号。

3.The short wave receiver can be used for emergency communication during disasters.

在灾难期间,可以使用短波接收机进行紧急通信。

4.He enjoys experimenting with his short wave receiver to find rare frequencies.

他喜欢用他的短波接收机实验,寻找稀有频率。

5.I bought a new short wave receiver to listen to international radio broadcasts.

我买了一个新的短波接收机来收听国际广播。

作文

In today's world, communication technology has evolved significantly, allowing us to connect with each other across vast distances. One fascinating aspect of this technology is the use of radio waves, particularly through devices known as short wave receivers. A short wave receiver (短波接收器) is a type of radio receiver that can pick up signals transmitted over shortwave frequencies, which typically range from 3 to 30 MHz. This allows for long-distance communication, as shortwave radio waves can travel beyond the horizon and bounce off the ionosphere, making them ideal for international broadcasts.The importance of short wave receivers cannot be overstated. They play a crucial role in global communication, especially in remote areas where other forms of communication may be unreliable or unavailable. For instance, during natural disasters, when traditional communication infrastructure might be damaged, a short wave receiver can provide vital information and updates. This capability has made them essential tools for amateur radio operators, emergency services, and even military communications.Moreover, short wave receivers are not only limited to professional use; they have gained popularity among hobbyists and enthusiasts around the world. Many people enjoy tuning into various international stations, discovering different cultures and languages through their broadcasts. The thrill of catching a distant signal on a short wave receiver (短波接收器) is an experience that many find rewarding. It connects listeners to a broader world, allowing them to engage with content that may not be available through local media.Technological advancements have also led to the development of more sophisticated short wave receivers. Modern devices often come equipped with digital displays, automatic tuning features, and the ability to store multiple frequencies. These enhancements make it easier for users to navigate the wide array of available broadcasts. Additionally, some short wave receivers now include internet connectivity, allowing users to access online radio stations alongside traditional shortwave broadcasts.However, despite the many benefits of short wave receivers, there are challenges associated with their use. One significant issue is interference from various sources, including electrical devices and atmospheric conditions. This interference can disrupt the clarity of the received signals, making it difficult for users to enjoy their listening experience. Furthermore, as more people turn to the internet for their media consumption, the number of traditional shortwave broadcasts has been declining, leading to concerns about the future of short wave receivers in the digital age.In conclusion, short wave receivers (短波接收器) represent a unique intersection of technology, communication, and culture. They offer a valuable means of connecting people across great distances, providing access to diverse perspectives and information. Whether used for emergency communications, hobbyist pursuits, or simply for the joy of listening to distant voices, short wave receivers continue to hold a special place in the world of radio. As technology progresses, it will be interesting to see how these devices evolve and adapt to the changing landscape of communication.

在今天的世界中,通信技术已经显著发展,使我们能够跨越广阔的距离相互连接。这个技术的一个迷人方面是使用无线电波,特别是通过称为短波接收器的设备。短波接收器(短波接收器)是一种能够接收在短波频率上发射的信号的无线电接收器,这些频率通常范围从3到30 MHz。这使得远程通信成为可能,因为短波无线电波可以超越地平线并反弹到电离层,使它们非常适合国际广播。短波接收器的重要性不容小觑。它们在全球通信中发挥着至关重要的作用,尤其是在偏远地区,在这些地方,其他形式的通信可能不可靠或不可用。例如,在自然灾害期间,当传统通信基础设施可能受到损坏时,短波接收器可以提供重要的信息和更新。这种能力使它们成为业余无线电操作员、紧急服务甚至军事通信的基本工具。此外,短波接收器不仅限于专业用途;它们在世界各地的爱好者和爱好者中也获得了普及。许多人喜欢调谐到各种国际电台,通过他们的广播发现不同的文化和语言。在短波接收器(短波接收器)上捕捉到遥远信号的刺激体验,是许多人认为值得的经历。它将听众与更广泛的世界联系在一起,让他们接触到可能不通过当地媒体提供的内容。技术进步也导致了更复杂的短波接收器的发展。现代设备通常配备数字显示屏、自动调谐功能以及存储多个频率的能力。这些增强功能使用户更容易浏览可用广播的广泛阵列。此外,一些短波接收器现在包括互联网连接,使用户能够访问在线电台,同时收听传统的短波广播。然而,尽管短波接收器有许多优点,但它们的使用也面临挑战。其中一个重大问题是来自各种来源的干扰,包括电气设备和大气条件。这种干扰可能会干扰接收信号的清晰度,使用户难以享受他们的收听体验。此外,随着越来越多的人转向互联网进行媒体消费,传统短波广播的数量正在减少,这引发了人们对数字时代短波接收器未来的担忧。总之,短波接收器(短波接收器)代表了技术、通信和文化的独特交汇点。它们提供了一种有价值的方式,将人们连接在一起,提供对不同观点和信息的访问。无论是用于紧急通信、爱好追求,还是仅仅为了享受倾听遥远声音的乐趣,短波接收器在无线电世界中继续占据特殊的位置。随着技术的进步,观察这些设备如何演变并适应不断变化的通信格局将是很有趣的。

相关单词

receiver

receiver详解:怎么读、什么意思、用法