satellite relay

简明释义

卫星中继器

英英释义

例句

1.The communication system used a satellite relay to transmit signals across the globe.

该通信系统使用了一个卫星中继来传输全球信号。

2.The satellite relay helped connect emergency services during the natural disaster.

在自然灾害期间，卫星中继帮助连接了紧急服务。

3.The remote village received internet access thanks to a satellite relay installed by the government.

由于政府安装的卫星中继，偏远村庄获得了互联网接入。

4.Astronauts rely on a satellite relay for communication with mission control.

宇航员依靠卫星中继与任务控制中心进行通信。

5.During the conference, the video feed was sent via a satellite relay to ensure high-quality transmission.

在会议期间，视频信号通过卫星中继发送，以确保高质量的传输。

作文

In the modern world, communication has become an essential part of our daily lives. One of the most significant advancements in this field is the use of technology for transmitting information over long distances. Among these technologies, the concept of satellite relay plays a crucial role. A satellite relay (卫星中继) refers to the system where satellites are used to receive, amplify, and transmit signals back to Earth or between satellites. This technology enables global communication, including television broadcasts, internet services, and telephone calls, making it a backbone of our interconnected society.The history of satellite relay dates back to the early days of space exploration. The first artificial satellite, Sputnik, was launched by the Soviet Union in 1957. Following this, various countries began to develop their own satellites for different purposes, including communication. The introduction of satellite relay systems allowed for the establishment of a network that could facilitate communication across vast distances without the limitations imposed by geographical barriers.One of the key advantages of using satellite relay systems is their ability to cover large areas. Unlike traditional ground-based communication systems, which may require extensive infrastructure and can be hindered by physical obstacles like mountains or buildings, satellites orbiting the Earth can provide coverage over entire continents or even oceans. This capability is particularly beneficial in remote or rural areas where laying cables is impractical or too costly.Moreover, satellite relay technology has revolutionized the broadcasting industry. Television networks rely heavily on satellites to distribute their signals to millions of viewers worldwide. This technology allows for live broadcasts of events happening anywhere on the planet, providing real-time news and entertainment. The ability to relay signals via satellites ensures that people from different regions can access the same content simultaneously, fostering a shared global experience.In addition to broadcasting, satellite relay systems are integral to internet connectivity. Many internet service providers utilize satellites to deliver internet services to users in areas lacking traditional broadband infrastructure. This is particularly important in developing countries where access to reliable internet can significantly impact education, business, and overall economic development. By bridging the digital divide, satellite relay technology helps ensure that more people can participate in the digital age.Safety and security are also enhanced through the use of satellite relay systems. For example, during natural disasters, when ground communication lines may be disrupted, satellites can provide critical communication links for emergency responders and relief organizations. This capability can save lives and help coordinate recovery efforts more effectively.However, the implementation of satellite relay systems is not without challenges. Issues such as signal latency, bandwidth limitations, and the high costs associated with launching and maintaining satellites can pose significant hurdles. Additionally, as the number of satellites in orbit increases, concerns about space debris and the potential for collisions also arise, necessitating careful management and regulation of space traffic.In conclusion, the concept of satellite relay (卫星中继) is fundamental to modern communication. Its ability to connect people across vast distances, support broadcasting and internet services, and enhance safety during emergencies highlights its importance in today’s society. As technology continues to evolve, the future of satellite relay systems holds great promise, paving the way for even more innovative solutions to meet the growing demands of global communication.

在现代世界中，通信已成为我们日常生活的重要组成部分。这个领域的一个重大进步是利用技术进行远距离信息传输。在这些技术中，卫星中继的概念发挥着至关重要的作用。卫星中继（卫星中继）指的是利用卫星接收、放大和重新传输信号到地球或卫星之间的系统。这项技术使全球通信成为可能，包括电视广播、互联网服务和电话通话，使其成为我们互联社会的支柱。卫星中继的历史可以追溯到太空探索的早期。1957年，苏联发射了第一颗人造卫星“斯普特尼克”。随后，各国开始开发自己的卫星以满足不同目的，包括通信。卫星中继系统的引入使得建立一个能够便利跨越广阔距离的通信网络成为可能，而不受地理障碍的限制。使用卫星中继系统的一个主要优点是其覆盖大面积的能力。与传统的地面通信系统相比，后者可能需要广泛的基础设施并且可能受到山脉或建筑物等物理障碍的阻碍，轨道上的卫星可以提供整个大陆甚至海洋的覆盖。这一能力对偏远或农村地区尤其有利，因为铺设电缆既不切实际又成本过高。此外，卫星中继技术彻底改变了广播行业。电视网络在很大程度上依赖卫星将信号分发给全球数百万观众。这项技术允许实时广播发生在地球任何地方的事件，提供实时新闻和娱乐。通过卫星中继信号的能力确保来自不同地区的人们可以同时访问相同的内容，促进了共享的全球体验。除了广播，卫星中继系统在互联网连接中也不可或缺。许多互联网服务提供商利用卫星向缺乏传统宽带基础设施的用户提供互联网服务。这在发展中国家尤为重要，因为可靠互联网的获取可以显著影响教育、商业和整体经济发展。通过弥合数字鸿沟，卫星中继技术帮助确保更多人能够参与数字时代。安全性和保障性也通过使用卫星中继系统得到了增强。例如，在自然灾害期间，当地面通信线路可能会中断时，卫星可以为紧急响应人员和救援组织提供关键的通信链接。这一能力可以挽救生命，并帮助更有效地协调恢复工作。然而，卫星中继系统的实施并非没有挑战。信号延迟、带宽限制以及与发射和维护卫星相关的高成本等问题可能构成重大障碍。此外，随着轨道上卫星数量的增加，关于太空垃圾和碰撞潜在风险的担忧也随之而来，这需要对太空交通进行谨慎管理和监管。总之，卫星中继（卫星中继）的概念是现代通信的基础。它连接人们跨越广阔距离的能力，支持广播和互联网服务，以及在紧急情况下增强安全性的能力突显了其在当今社会的重要性。随着技术的不断发展，卫星中继系统的未来充满希望，为满足全球通信日益增长的需求铺平了道路。