digital communication by satellite

简明释义

数字卫星通信

英英释义

例句

1.Rural areas often benefit from digital communication by satellite where traditional internet services are unavailable.

偏远地区通常受益于卫星数字通信，因为传统互联网服务不可用。

2.The team used digital communication by satellite to coordinate their efforts during the remote expedition.

团队利用卫星数字通信在远程探险中协调工作。

3.Many shipping companies rely on digital communication by satellite for tracking their vessels across oceans.

许多航运公司依赖卫星数字通信来追踪他们在海洋上的船只。

4.The military employs digital communication by satellite for secure and reliable communications in the field.

军方使用卫星数字通信进行安全可靠的现场通信。

5.In emergency situations, digital communication by satellite can provide critical connectivity when other networks fail.

在紧急情况下，卫星数字通信可以在其他网络失效时提供关键连接。

作文

In the modern world, communication has evolved dramatically. One of the most significant advancements in this field is digital communication by satellite. This technology allows for the transmission of data over long distances without the reliance on traditional ground-based infrastructure. The ability to communicate via satellites has transformed how we connect with one another, especially in remote areas where conventional communication methods may not be feasible. 数字通信通过卫星使得在偏远地区的信号传输成为可能，提供了更广泛的覆盖和可靠性。The process of digital communication by satellite involves several key components, including the satellite itself, ground stations, and the devices used by end-users. Satellites are placed in orbit around the Earth and can receive signals from ground stations, which then transmit this information back to users across vast distances. This method of communication is not only efficient but also allows for high-speed data transfer, making it ideal for various applications such as television broadcasting, internet access, and even military communications.One of the primary advantages of digital communication by satellite is its ability to provide connectivity in areas that are otherwise difficult to reach. For instance, during natural disasters, when terrestrial communication networks may be damaged, satellite communication remains operational, ensuring that emergency services can coordinate effectively. Furthermore, in regions with sparse populations, where building a network of cables and towers would be economically unviable, satellite communication offers a practical solution.Moreover, the rise of mobile technology has further enhanced the significance of digital communication by satellite. With the proliferation of smartphones and tablets, people expect to have access to information and communication services anytime and anywhere. Satellite technology has made it possible to deliver these services even in the most isolated locations. For example, fishermen at sea or explorers in remote jungles can stay connected with their families and colleagues through satellite phones, which rely on 数字通信通过卫星 to function.However, despite its many benefits, digital communication by satellite is not without challenges. One of the main issues is latency, which refers to the delay between sending and receiving information. Because satellites are located far above the Earth, there is an inherent delay in the transmission of data. This can be particularly problematic for applications that require real-time communication, such as online gaming or video conferencing. Additionally, the cost of launching and maintaining satellites can be quite high, which may limit access for some users.In conclusion, digital communication by satellite has revolutionized the way we communicate, especially in areas where traditional methods fall short. It provides a lifeline for those in remote locations and plays a crucial role in emergency response efforts. While there are challenges to overcome, the continued advancements in satellite technology promise to enhance our communication capabilities even further. As we move into the future, it is clear that 数字通信通过卫星 will remain a vital component of our global communication landscape, connecting individuals and communities across the globe.

在现代世界中，通信发生了戏剧性的变化。这个领域最重要的进展之一是数字通信通过卫星。这项技术允许数据在长距离上传输，而不依赖于传统的地面基础设施。通过卫星进行通信的能力改变了我们彼此联系的方式，尤其是在传统通信方法可能不可行的偏远地区。数字通信通过卫星使得在偏远地区的信号传输成为可能，提供了更广泛的覆盖和可靠性。数字通信通过卫星的过程涉及几个关键组成部分，包括卫星本身、地面站以及最终用户使用的设备。卫星被放置在地球轨道上，可以接收来自地面站的信号，然后将这些信息传回跨越广阔距离的用户。这种通信方式不仅高效，而且允许高速数据传输，使其非常适合电视广播、互联网接入甚至军事通信等各种应用。数字通信通过卫星的主要优势之一是能够在其他难以到达的地区提供连接。例如，在自然灾害期间，当地面通信网络可能受到损坏时，卫星通信仍然可以正常运行，确保紧急服务能够有效协调。此外，在人口稀少的地区，建设一套电缆和塔的网络在经济上可能不可行，而卫星通信提供了一个实用的解决方案。此外，移动技术的兴起进一步增强了数字通信通过卫星的重要性。随着智能手机和平板电脑的普及，人们希望随时随地都能访问信息和通信服务。卫星技术使得即使在最偏远的地方也能提供这些服务。例如，在海上的渔民或在偏远丛林中的探险者可以通过卫星电话与家人和同事保持联系，这些电话依赖于数字通信通过卫星来运作。然而，尽管有许多好处，数字通信通过卫星也并非没有挑战。主要问题之一是延迟，即发送和接收信息之间的延迟。由于卫星位于地球之上，数据传输中固有的延迟存在。这对于需要实时通信的应用（例如在线游戏或视频会议）可能特别成问题。此外，发射和维护卫星的成本可能相当高，这可能限制某些用户的访问。总之，数字通信通过卫星彻底改变了我们沟通的方式，尤其是在传统方法不足的地方。它为偏远地区的人们提供了一条生命线，并在应急响应工作中发挥着至关重要的作用。尽管有挑战需要克服，但卫星技术的持续进步承诺进一步增强我们的通信能力。随着我们走向未来，显然数字通信通过卫星将继续成为我们全球通信格局的重要组成部分，连接全球的个人和社区。