propagation delay

简明释义

传播延迟

英英释义

例句

1.To improve performance, we need to minimize the propagation delay in our network.

为了提高性能，我们需要最小化网络中的传播延迟。

2.Engineers must account for propagation delay when designing high-speed digital circuits.

工程师在设计高速数字电路时必须考虑传播延迟。

3.The propagation delay of signals in wireless networks can lead to latency issues.

无线网络中信号的传播延迟可能导致延迟问题。

4.The propagation delay in fiber optic cables is significantly lower than that in copper wires.

光纤电缆中的传播延迟明显低于铜线。

5.In satellite communication, the propagation delay can be several hundred milliseconds due to the distance involved.

在卫星通信中，由于涉及的距离，传播延迟可能达到几百毫秒。

作文

In the world of telecommunications and data transmission, understanding the concept of propagation delay is crucial. Propagation delay refers to the time it takes for a signal to travel from its source to its destination. This delay can significantly impact the performance and efficiency of communication systems, whether they are used in networking, broadcasting, or satellite communications.To illustrate this concept, imagine sending a message from one computer to another over the internet. The moment you hit 'send,' the message does not arrive instantaneously at the recipient's device. Instead, it experiences a certain amount of propagation delay. This delay is influenced by various factors, including the distance between the two computers, the medium through which the signal travels (such as fiber optics, copper cables, or wireless connections), and the speed of the signal itself.The speed of light in a vacuum is approximately 299,792 kilometers per second, but when signals travel through different mediums, their speed decreases. For instance, light travels slower in optical fibers compared to its speed in a vacuum. Therefore, the longer the distance the signal must travel, the more significant the propagation delay becomes. In practical terms, this means that if you are communicating with someone across the globe, your message will take longer to reach them than if you were communicating with someone in the same city.Moreover, propagation delay is not only a concern for long-distance communications. It can also affect local networks. For example, in a large organization, data packets may need to traverse multiple switches and routers before reaching their final destination. Each of these devices introduces its own processing delay, which, when combined with the propagation delay, can lead to noticeable lags in communication.Understanding propagation delay is essential for engineers and network designers. By calculating the expected delays in a system, they can optimize the network architecture to minimize latency. Techniques such as increasing bandwidth, using faster transmission media, or implementing more efficient routing protocols can help reduce the overall propagation delay and improve the user experience.In conclusion, propagation delay is a fundamental concept in the field of telecommunications that affects how quickly information can be transmitted from one point to another. By recognizing the factors that contribute to this delay and taking steps to mitigate it, we can enhance the efficiency and reliability of communication systems. As technology continues to advance, understanding and addressing propagation delay will remain a key challenge for engineers and developers alike, ensuring that our global communication networks function smoothly and effectively.

在电信和数据传输的世界中，理解“传播延迟”的概念至关重要。传播延迟是指信号从源头到达目的地所需的时间。这种延迟会显著影响通信系统的性能和效率，无论它们是在网络、广播还是卫星通信中使用。为了说明这一概念，想象一下从一台计算机向另一台计算机发送消息。当你点击“发送”时，消息并不会瞬间到达接收者的设备。相反，它经历了一定的传播延迟。这种延迟受到多种因素的影响，包括两台计算机之间的距离、信号传播的介质（如光纤、铜缆或无线连接）以及信号本身的速度。光在真空中的速度大约为299,792公里每秒，但当信号通过不同的介质传播时，其速度会减慢。例如，光在光纤中的传播速度比在真空中慢。因此，信号必须传播的距离越长，传播延迟就越显著。从实际角度来看，这意味着如果你与地球另一端的人进行通信，你的消息将比与同一城市的人进行通信所需的时间更长。此外，传播延迟不仅仅是远程通信的问题。它也可能影响本地网络。例如，在大型组织中，数据包可能需要经过多个交换机和路由器才能到达最终目的地。每个设备都会引入自己的处理延迟，这些延迟与传播延迟相结合，可能导致通信中出现明显的延迟。理解传播延迟对工程师和网络设计师至关重要。通过计算系统中预期的延迟，他们可以优化网络架构，以最小化延迟。增加带宽、使用更快的传输介质或实施更高效的路由协议等技术可以帮助减少整体的传播延迟，并改善用户体验。总之，传播延迟是电信领域的一个基本概念，影响着信息从一个点传输到另一个点的速度。通过认识到导致这种延迟的因素并采取措施来减轻它，我们可以提高通信系统的效率和可靠性。随着技术的不断进步，理解和解决传播延迟将始终是工程师和开发人员面临的关键挑战，确保我们的全球通信网络顺利有效地运行。