short-wave transmitter

简明释义

短波发信机

英英释义

例句

1.During emergencies, a short-wave transmitter can be crucial for broadcasting information to remote areas.

在紧急情况下，短波发射器对于向偏远地区广播信息至关重要。

2.The military often employs a short-wave transmitter for secure communications in the field.

军方常常使用短波发射器进行野外安全通信。

3.A short-wave transmitter can be used to relay messages when other forms of communication fail.

短波发射器可以在其他通信方式失效时传递消息。

4.Many ham radio operators use a short-wave transmitter to connect with other enthusiasts around the world.

许多业余无线电爱好者使用短波发射器与世界各地的其他爱好者联系。

5.The short-wave transmitter allows us to communicate over long distances without relying on cellular networks.

这个短波发射器使我们能够在不依赖于蜂窝网络的情况下进行远距离通信。

作文

In the world of communication technology, various devices play crucial roles in transmitting information over distances. One such device is the short-wave transmitter, which operates on high-frequency radio waves to send signals across long distances. This technology has been instrumental in connecting people, especially in remote areas where traditional communication methods may fail. The short-wave transmitter works by converting audio signals into electromagnetic waves, which can then travel vast distances by bouncing off the ionosphere. This unique capability allows it to reach audiences far beyond the line of sight, making it an invaluable tool for amateur radio operators, emergency services, and even international broadcasting.The significance of short-wave transmitters can be observed in various contexts. For instance, during natural disasters, when conventional communication networks are disrupted, these transmitters can provide vital information and updates to affected populations. Their ability to cover large areas without the need for extensive infrastructure makes them ideal for emergency situations. Furthermore, short-wave transmitters have been used historically in military operations, allowing troops to communicate effectively across great distances without relying on vulnerable ground-based systems.Moreover, the cultural impact of short-wave transmitters cannot be overlooked. They have played a key role in international broadcasting, enabling listeners from different countries to tune in to foreign radio stations. This has fostered a greater understanding of global cultures and events, as people can access news and entertainment from around the world. In some cases, short-wave transmitters have become symbols of freedom, providing a platform for voices that may be suppressed in their home countries.Despite the rise of digital communication technologies, the short-wave transmitter remains relevant today. Many radio enthusiasts continue to use these devices for hobbyist purposes, participating in a global community that shares a passion for radio communication. Additionally, advancements in technology have improved the efficiency and effectiveness of short-wave transmitters, making them even more reliable for modern applications.In conclusion, the short-wave transmitter is a remarkable device that has significantly impacted the way we communicate over long distances. Its ability to transmit signals across vast expanses has made it a vital tool in emergencies, military operations, and international broadcasting. As technology continues to evolve, the short-wave transmitter will likely remain an important part of the communication landscape, bridging gaps and connecting individuals across the globe. Understanding its functionality and significance helps appreciate the advancements in communication technology and the enduring relevance of radio transmission in our increasingly digital world.

在通信技术的世界中，各种设备在远距离传输信息方面发挥着关键作用。其中一种设备是短波发射机，它在高频无线电波上工作，以便在长距离发送信号。这项技术在连接人们方面发挥了重要作用，尤其是在传统通信方法可能失效的偏远地区。短波发射机通过将音频信号转换为电磁波来工作，这些波可以通过反射离子层而在广阔的距离上旅行。这种独特的能力使其能够在视线之外到达观众，使其成为业余无线电操作员、应急服务甚至国际广播的宝贵工具。短波发射机的重要性可以在各种背景中观察到。例如，在自然灾害期间，当常规通信网络受到破坏时，这些发射机可以向受影响的人群提供至关重要的信息和更新。它们覆盖大面积而无需大量基础设施的能力使其在紧急情况下理想。此外，短波发射机在军事行动中也被历史上使用，允许部队在不依赖脆弱的地面系统的情况下有效地进行远距离通信。此外，短波发射机的文化影响也不容忽视。它们在国际广播中发挥了关键作用，使来自不同国家的听众能够收听外国广播电台。这促进了对全球文化和事件的更大理解，因为人们可以访问来自世界各地的新闻和娱乐。在某些情况下，短波发射机已成为自由的象征，为在本国可能受到压制的声音提供了平台。尽管数字通信技术的兴起，短波发射机今天仍然相关。许多无线电爱好者继续使用这些设备进行爱好活动，参与一个分享无线电通信热情的全球社区。此外，技术的进步提高了短波发射机的效率和有效性，使其在现代应用中更加可靠。总之，短波发射机是一种非凡的设备，对我们如何在长距离进行通信产生了重大影响。它在广阔空间中传输信号的能力使其成为紧急情况、军事行动和国际广播中的重要工具。随着技术的不断发展，短波发射机很可能仍将是通信领域的重要组成部分，弥合差距并连接全球个体。理解其功能和重要性有助于欣赏通信技术的进步以及无线电传输在我们日益数字化的世界中的持久相关性。