propagation loss

简明释义

传播损耗

英英释义

例句

1.Buildings and trees can significantly increase propagation loss in urban areas.

建筑物和树木可以显著增加城市地区的传播损失。

2.Using repeaters can help mitigate propagation loss in long-distance communications.

使用信号中继器可以帮助减轻长距离通信中的传播损失。

3.To improve network performance, engineers must calculate propagation loss accurately.

为了提高网络性能，工程师必须准确计算传播损失。

4.In wireless communication, propagation loss refers to the reduction in signal strength as it travels through the air.

在无线通信中，传播损失指的是信号在空气中传播时强度的减少。

5.The propagation loss in underwater communication is much higher than in air.

水下通信中的传播损失远高于空气中的损失。

作文

In the realm of telecommunications and signal processing, understanding the concept of propagation loss is crucial for optimizing communication systems. Propagation loss refers to the reduction in signal strength as it travels through a medium, which can significantly affect the quality and reliability of transmitted information. This phenomenon occurs due to various factors, including distance, obstacles, and the characteristics of the medium itself. For instance, when radio waves travel through air, they may encounter buildings, trees, and other obstructions that can absorb or reflect the signal, leading to increased propagation loss. Moreover, the frequency of the signal also plays a vital role; higher frequencies tend to experience greater propagation loss due to their shorter wavelengths, making them more susceptible to attenuation by physical barriers.To illustrate the impact of propagation loss, consider a mobile phone call made in a densely populated urban area. As the signal travels from the cell tower to the user's device, it must navigate through various structures such as skyscrapers and vehicles. Each of these obstacles contributes to the overall propagation loss, potentially resulting in a weak signal, dropped calls, or poor audio quality. Engineers and network designers must account for these challenges when planning the placement of cell towers and the design of communication networks. By conducting detailed site surveys and simulations, they can predict areas of high propagation loss and implement solutions, such as adding more towers or using repeaters to enhance coverage.Furthermore, propagation loss is not only relevant in mobile communications but also in other fields like satellite communication and wireless networking. For satellites, the distance between the satellite and the receiving station on Earth can lead to significant propagation loss. This is why satellite signals often require powerful transmitters and sophisticated technology to ensure that the signals remain strong enough to be received clearly. In wireless networking, similar principles apply; routers must be strategically placed to minimize propagation loss and ensure that all areas within a building or campus have adequate coverage.In conclusion, the concept of propagation loss is integral to the design and functionality of modern communication systems. Understanding the factors that contribute to propagation loss allows engineers and technicians to create more efficient networks, ensuring that users receive clear and reliable signals. As technology continues to evolve, the importance of addressing propagation loss will only grow, particularly with the increasing demand for high-speed internet and seamless connectivity in our daily lives.

在电信和信号处理领域，理解传播损耗的概念对于优化通信系统至关重要。传播损耗是指信号在介质中传播时强度的减弱，这可能会显著影响传输信息的质量和可靠性。这种现象由于多种因素而发生，包括距离、障碍物以及介质本身的特性。例如，当无线电波通过空气传播时，它们可能会遇到建筑物、树木和其他障碍物，这些障碍物会吸收或反射信号，从而导致传播损耗增加。此外，信号的频率也起着至关重要的作用；较高的频率往往因其较短的波长而经历更大的传播损耗，使其更容易受到物理障碍的衰减。为了说明传播损耗的影响，考虑在一个人口稠密的城市地区进行的手机通话。当信号从基站传输到用户设备时，它必须穿过各种结构，例如摩天大楼和车辆。这些障碍物中的每一个都会对整体传播损耗产生贡献，可能导致信号弱、通话中断或音质差。工程师和网络设计师在规划基站的布局和通信网络的设计时，必须考虑这些挑战。通过进行详细的现场调查和模拟，他们可以预测高传播损耗的区域，并实施解决方案，例如增加更多基站或使用中继器来增强覆盖范围。此外，传播损耗不仅与移动通信相关，在卫星通信和无线网络等其他领域也同样重要。对于卫星来说，卫星与地球接收站之间的距离可能导致显著的传播损耗。这就是为什么卫星信号通常需要强大的发射器和复杂的技术，以确保信号保持足够强大以被清晰接收。在无线网络中，类似的原则也适用；路由器必须合理放置，以最小化传播损耗，确保建筑物或校园内所有区域都有足够的覆盖。总之，传播损耗的概念是现代通信系统设计和功能的核心。理解导致传播损耗的因素使工程师和技术人员能够创建更高效的网络，确保用户接收到清晰可靠的信号。随着技术的不断发展，解决传播损耗的重要性只会增加，特别是在我们日常生活中对高速互联网和无缝连接的需求日益增长的情况下。