overland propagation

简明释义

地面传播

英英释义

例句

1.The study focused on the effects of overland propagation on signal strength in rural areas.

该研究集中于陆地传播对农村地区信号强度的影响。

2.Engineers are developing new technologies to enhance overland propagation for better communication.

工程师们正在开发新技术，以增强陆地传播，以改善通信。

3.Understanding overland propagation is crucial for improving wireless network coverage.

理解陆地传播对于改善无线网络覆盖至关重要。

4.The researchers measured the distance of overland propagation for various frequencies.

研究人员测量了不同频率下的陆地传播距离。

5.In mountainous regions, overland propagation can be significantly affected by terrain features.

在山区，陆地传播可能会受到地形特征的显著影响。

作文

In the field of telecommunications and radio wave transmission, understanding the concept of overland propagation is crucial for optimizing signal strength and clarity. Overland propagation refers to the way radio waves travel over land, as opposed to through water or air. This phenomenon plays a significant role in how signals are transmitted from one point to another, especially in rural or remote areas where obstacles like hills and buildings can affect signal quality. The behavior of radio waves during overland propagation is influenced by several factors, including frequency, terrain, and atmospheric conditions. For instance, lower frequency waves tend to diffract around obstacles, making them more effective for long-distance communication. In contrast, higher frequency waves may be absorbed by the ground or blocked by physical barriers, leading to weaker signals. One of the most significant challenges associated with overland propagation is the presence of various terrains. Mountains, valleys, and forests can create shadow zones where signals are weak or nonexistent. Engineers must carefully design communication systems that account for these geographical features to ensure reliable connectivity. Techniques such as using repeaters or strategically placing antennas can help mitigate these issues, allowing for better overland propagation of signals. Furthermore, weather conditions can also impact overland propagation. Rain, snow, and humidity can cause attenuation of radio signals, particularly at higher frequencies. Understanding these effects is vital for planning communications, especially in regions prone to severe weather. By analyzing historical weather data and employing advanced modeling techniques, engineers can predict potential disruptions and adjust their systems accordingly. The importance of overland propagation extends beyond telecommunications; it also affects various applications such as broadcasting, emergency services, and military operations. For broadcasters, ensuring that signals reach the intended audience without significant loss is essential for maintaining viewership and trust. Emergency services rely on robust communication systems to coordinate responses during crises, where any disruption could have dire consequences. Similarly, military operations depend on secure and reliable communication channels to ensure mission success. In conclusion, overland propagation is a fundamental concept in the realm of radio wave transmission that encompasses various factors influencing signal quality and strength. By understanding the intricacies of this phenomenon, engineers and technicians can design more effective communication systems that cater to the unique challenges presented by different terrains and environmental conditions. As technology continues to evolve, the study of overland propagation will remain pivotal in enhancing our ability to communicate across vast distances, ensuring connectivity in an increasingly interconnected world.

在电信和无线电波传输领域，理解地面传播的概念对于优化信号强度和清晰度至关重要。地面传播指的是无线电波在陆地上传播的方式，而不是通过水或空气。这一现象在信号从一点传输到另一点时发挥着重要作用，尤其是在农村或偏远地区，山丘和建筑物等障碍物可能会影响信号质量。无线电波在地面传播过程中的行为受到多个因素的影响，包括频率、地形和大气条件。例如，较低频率的波通常会绕过障碍物，使它们更有效地进行长距离通信。相比之下，较高频率的波可能会被地面吸收或被物理障碍物阻挡，导致信号减弱。与地面传播相关的一个重大挑战是各种地形的存在。山脉、山谷和森林可能会形成信号弱或不存在的阴影区域。工程师必须仔细设计通信系统，以考虑这些地理特征，从而确保可靠的连接。使用中继器或战略性放置天线等技术可以帮助缓解这些问题，从而允许信号更好地进行地面传播。此外，天气条件也会影响地面传播。雨、雪和湿度可能导致无线电信号的衰减，特别是在较高频率下。理解这些影响对于规划通信至关重要，尤其是在易受严重天气影响的地区。通过分析历史天气数据和采用先进的建模技术，工程师可以预测潜在的干扰，并相应调整他们的系统。地面传播的重要性不仅限于电信；它还影响广播、紧急服务和军事行动等多种应用。对于广播公司来说，确保信号无显著损失地到达预期观众对于维持收视率和信任至关重要。紧急服务依赖于稳健的通信系统，在危机期间协调响应，任何干扰都可能导致严重后果。同样，军事行动依赖于安全和可靠的通信渠道，以确保任务成功。总之，地面传播是无线电波传输领域的一个基本概念，涵盖了影响信号质量和强度的各种因素。通过理解这一现象的复杂性，工程师和技术人员可以设计出更有效的通信系统，以应对不同地形和环境条件所带来的独特挑战。随着技术的不断发展，地面传播的研究将继续在增强我们跨越广阔距离的沟通能力方面发挥关键作用，确保在日益互联的世界中保持连接。