short-wave communication

简明释义

短波通信

英英释义

Short-wave communication refers to the transmission of radio signals over short wavelengths, typically in the frequency range of 3 to 30 MHz, allowing for long-distance communication by reflecting signals off the ionosphere.

短波通信是指在短波长范围内(通常为3到30 MHz)传输无线电信号,能够通过反射信号于电离层实现远距离通信。

例句

1.During the expedition, we relied on short-wave communication 短波通信 to stay in touch with the base camp.

在探险过程中,我们依靠短波通信来与基地保持联系。

2.Many sailors depend on short-wave communication 短波通信 to receive weather updates while at sea.

许多水手依赖短波通信在海上接收天气更新。

3.The amateur radio operators often use short-wave communication 短波通信 to connect with other enthusiasts around the world.

业余无线电操作员经常使用短波通信与世界各地的其他爱好者联系。

4.The military often uses short-wave communication 短波通信 for secure transmissions over long distances.

军方经常使用短波通信进行长距离的安全传输。

5.In remote areas where cellular signals are weak, short-wave communication 短波通信 can be a reliable alternative.

在信号微弱的偏远地区,短波通信可以成为一种可靠的替代方案。

作文

In today's rapidly evolving world of technology, communication plays a crucial role in connecting people across vast distances. One of the fascinating methods of communication is short-wave communication, which utilizes high-frequency radio waves to transmit information. This technique has been widely used for various purposes, including amateur radio, maritime communication, and even military operations. Understanding short-wave communication can provide insights into its benefits and applications in our modern society.Short-wave communication refers to the transmission of radio signals in the frequency range of 3 to 30 megahertz (MHz). These frequencies are particularly effective for long-distance communication because they can bounce off the ionosphere, allowing signals to travel beyond the horizon. This characteristic makes short-wave communication an ideal choice for reaching remote areas where traditional communication infrastructure may be lacking.One of the primary advantages of short-wave communication is its ability to connect individuals across continents without the need for satellites or extensive ground networks. For instance, amateur radio operators, often referred to as 'hams', utilize short-wave communication to establish contact with fellow enthusiasts around the globe. This hobby not only fosters international friendships but also serves as a valuable resource during emergencies when conventional communication systems fail.Moreover, short-wave communication plays a vital role in maritime settings. Ships at sea rely on this form of communication to stay in touch with coastal stations and other vessels. The ability to communicate over long distances is essential for navigation and ensuring safety at sea. In situations where ships venture far from land, short-wave communication becomes indispensable for relaying important information and coordinating rescue efforts if necessary.In addition to recreational and maritime uses, short-wave communication has significant implications for military operations. Armed forces around the world utilize this technology for secure and reliable communication during missions. The ability to transmit messages over long distances without detection is critical in maintaining operational security. As such, short-wave communication remains a vital component of military strategy and coordination.Despite its many benefits, short-wave communication is not without challenges. Factors such as atmospheric conditions, interference from other signals, and the need for specialized equipment can impact the quality and reliability of transmissions. However, advancements in technology continue to improve the performance of short-wave communication systems, making them more accessible to users.In conclusion, short-wave communication is a remarkable method of long-distance communication that has stood the test of time. Its ability to connect people across vast distances, support maritime safety, and aid military operations highlights its importance in our interconnected world. As we continue to explore new technologies and communication methods, understanding the principles and applications of short-wave communication remains essential. Whether through amateur radio or professional use, this form of communication will undoubtedly continue to play a significant role in bridging gaps and fostering connections around the globe.

在当今迅速发展的科技世界中,沟通在连接跨越广阔距离的人们方面发挥着至关重要的作用。其中一种迷人的沟通方式是短波通信,它利用高频无线电波传输信息。这种技术被广泛用于各种目的,包括业余无线电、海事通信甚至军事行动。理解短波通信可以为我们现代社会中的其益处和应用提供深入的见解。短波通信是指在3到30兆赫(MHz)频率范围内的无线电信号传输。这些频率对于长距离通信特别有效,因为它们可以反弹到电离层,使信号能够超越地平线。这一特性使得短波通信成为接触缺乏传统通信基础设施的偏远地区的理想选择。短波通信的主要优势之一是它能够在没有卫星或广泛地面网络的情况下将个人连接跨越洲际。例如,业余无线电操作员,通常被称为“哈姆”,利用短波通信与全球的其他爱好者建立联系。这一爱好不仅促进了国际友谊,还在常规通信系统失效时作为紧急情况下的宝贵资源。此外,短波通信在海事环境中发挥着至关重要的作用。海上的船只依靠这种通信形式与沿海站和其他船只保持联系。远距离通信的能力对导航和确保海上安全至关重要。在船只远离陆地的情况下,短波通信变得不可或缺,用于传递重要信息和协调必要的救援工作。除了休闲和海事用途外,短波通信对军事行动也具有重要意义。世界各地的武装部队利用这项技术在任务期间进行安全可靠的通信。在不被发现的情况下长距离传输消息的能力对于维护作战安全至关重要。因此,短波通信仍然是军事战略和协调的重要组成部分。尽管有许多好处,短波通信并非没有挑战。大气条件、其他信号的干扰以及对专业设备的需求等因素可能会影响传输的质量和可靠性。然而,技术的进步不断提高短波通信系统的性能,使其更易于用户使用。总之,短波通信是一种卓越的远程通信方式,经受住了时间的考验。它能够跨越广阔的距离连接人们,支持海事安全,并帮助军事行动,突显了它在我们互联世界中的重要性。随着我们继续探索新技术和通信方法,理解短波通信的原则和应用仍然至关重要。无论是通过业余无线电还是专业使用,这种通信形式无疑将继续在弥合差距和促进全球联系方面发挥重要作用。

相关单词

communication

communication详解:怎么读、什么意思、用法