short-wave transmitting station
简明释义
短波发信台
英英释义
例句
1.During the storm, the short-wave transmitting station was crucial for broadcasting emergency information.
在暴风雨期间,短波发射台对广播紧急信息至关重要。
2.The government established a new short-wave transmitting station to improve communication in remote areas.
政府建立了一个新的短波发射台以改善偏远地区的通信。
3.In the past, the short-wave transmitting station was the primary means of international communication.
在过去,短波发射台是国际通信的主要手段。
4.Many amateur radio operators rely on the signals from the short-wave transmitting station to communicate with others around the world.
许多业余无线电爱好者依赖于来自短波发射台的信号与世界各地的人进行交流。
5.The short-wave transmitting station can reach listeners thousands of miles away.
该短波发射台可以覆盖数千英里外的听众。
作文
In the world of communication, technology plays a pivotal role in connecting people across vast distances. One such technological marvel is the short-wave transmitting station, which has been instrumental in enabling long-distance radio communication. These stations use short-wave radio frequencies to transmit signals that can travel thousands of miles, making them essential for various applications including international broadcasting, maritime communication, and emergency services.The operation of a short-wave transmitting station involves several key components. Firstly, the transmitter generates radio waves at short wavelengths, typically ranging from 10 to 100 meters. These waves are then amplified and sent through an antenna, which radiates the signals into the atmosphere. Due to the unique properties of short-wave frequencies, these signals can reflect off the ionosphere, allowing them to be received far beyond the horizon. This capability is particularly beneficial for reaching remote areas where traditional communication infrastructure may be lacking.Historically, short-wave transmitting stations have played a significant role in global communications. During World War II, for instance, these stations were crucial for military operations as they allowed for secure and reliable communication between troops and command centers. Moreover, in the post-war era, they became popular for international broadcasting, with stations like the BBC World Service and Voice of America using short-wave frequencies to reach audiences around the globe.In addition to broadcasting, short-wave transmitting stations are vital for maritime communication. Ships at sea rely on these stations to receive weather updates, navigational information, and emergency signals. The ability of short-wave radio to cover vast distances makes it an invaluable tool for ensuring safety on the high seas. Furthermore, amateur radio operators often utilize short-wave frequencies to communicate with each other, fostering a sense of community among enthusiasts worldwide.Despite the rise of modern communication technologies such as satellite and internet-based systems, short-wave transmitting stations continue to hold relevance today. They serve as a backup communication method during emergencies when other systems may fail. For example, during natural disasters or power outages, short-wave radio can provide critical information to affected populations. Additionally, many regions in the world still lack reliable internet access, making short-wave radio a lifeline for information and connection.In conclusion, the short-wave transmitting station stands as a testament to the enduring power of radio communication. Its ability to connect people across great distances, provide essential information during emergencies, and foster international understanding through broadcasting is unmatched. As we move further into the digital age, it is important to recognize and appreciate the role that these stations play in our global communication landscape. They not only represent a technological achievement but also embody the spirit of connection that transcends borders and unites us all.
在通信的世界中,技术在连接遥远距离的人们方面发挥着关键作用。一个这样的技术奇迹就是短波发射站,它在实现远程无线电通信方面发挥了重要作用。这些站点使用短波无线电频率传输信号,这些信号可以传播数千英里,使它们在国际广播、海洋通信和紧急服务等各种应用中至关重要。短波发射站的操作涉及几个关键组件。首先,发射机在短波长下生成无线电波,通常范围从10到100米。这些波被放大并通过天线发送,天线将信号辐射到大气中。由于短波频率的独特性质,这些信号可以反射到电离层,使其能够在地平线之外接收。这一能力对于到达缺乏传统通信基础设施的偏远地区尤其有益。历史上,短波发射站在全球通信中发挥了重要作用。例如,在第二次世界大战期间,这些站点对于军事行动至关重要,因为它们允许部队与指挥中心之间进行安全可靠的通信。此外,在战后时代,它们因国际广播而变得流行,像BBC世界服务和美国之音这样的电台使用短波频率向全球观众传播信息。除了广播,短波发射站对海洋通信也至关重要。海上的船只依赖这些站点接收天气更新、导航信息和紧急信号。短波无线电覆盖广阔距离的能力使其成为确保海上安全的宝贵工具。此外,业余无线电爱好者经常利用短波频率进行交流,促进了全球爱好者之间的社区感。尽管现代通信技术如卫星和基于互联网的系统的兴起,短波发射站今天仍然具有相关性。它们在其他系统可能失败的紧急情况下作为备用通信方法。例如,在自然灾害或停电期间,短波无线电可以向受影响的人群提供关键信息。此外,世界上许多地区仍然缺乏可靠的互联网接入,使短波无线电成为信息和联系的生命线。总之,短波发射站是无线电通信持久力量的证明。它连接人们跨越伟大距离的能力、在紧急情况下提供必要的信息以及通过广播促进国际理解的能力无与伦比。随着我们进一步进入数字时代,重要的是要认识并欣赏这些站点在全球通信格局中所发挥的作用。它们不仅代表了一项技术成就,还体现了超越国界、团结我们所有人的联系精神。