tropospheric duct

简明释义

大气波导

英英释义

例句

1.Meteorologists often study tropospheric ducts 对流层导管 to understand how weather patterns can be influenced by atmospheric conditions.

气象学家经常研究tropospheric ducts 对流层导管以了解天气模式如何受到大气条件的影响。

2.The radio signals were able to travel further than expected due to the presence of a tropospheric duct 对流层导管 in the atmosphere.

由于大气中存在一个tropospheric duct 对流层导管，无线电信号能够超出预期地传播得更远。

3.Understanding tropospheric ducts 对流层导管 is crucial for improving communication systems that rely on radio waves.

理解tropospheric ducts 对流层导管对于改善依赖于无线电波的通信系统至关重要。

4.The tropospheric duct 对流层导管 phenomenon was responsible for the unexpected long-range transmission of television signals.

这个tropospheric duct 对流层导管现象是电视信号意外长距离传播的原因。

5.During the summer, the formation of a tropospheric duct 对流层导管 can lead to unusually high temperatures in certain regions.

在夏季，形成一个tropospheric duct 对流层导管可能导致某些地区异常高温。

作文

The concept of a tropospheric duct is crucial in understanding how radio waves propagate through the atmosphere. A tropospheric duct refers to a layer in the troposphere where the refractive index of the air changes abruptly, allowing for the bending of radio waves. This phenomenon often occurs due to temperature inversions or variations in humidity, creating a 'duct' effect that can significantly enhance the range of radio signals. In this essay, we will explore the formation, effects, and implications of tropospheric ducts on communication systems.Firstly, it is essential to understand the conditions under which a tropospheric duct forms. Typically, these ducts arise when warm air overlays cooler air at the surface, creating a stable layer that traps radio waves. This situation is common during certain weather patterns, such as high-pressure systems or during the late evening and early morning hours when temperatures drop. The presence of moisture can also play a significant role in duct formation, as humidity affects the refractive index of the air. When these conditions align, the result is a well-defined tropospheric duct that can extend for hundreds of kilometers.The effects of a tropospheric duct on radio wave propagation are profound. Under normal circumstances, radio waves travel in straight lines, but when they encounter a duct, they can bend downwards, allowing signals to reach areas that would otherwise be out of range. This can lead to unexpected communication links between stations that are far apart, often referred to as 'ducting.' For instance, amateur radio operators often take advantage of tropospheric ducts to make long-distance contacts without the need for expensive equipment. However, this phenomenon can also cause interference, as signals from distant stations may overlap with local communications, leading to confusion and disruption.Moreover, the implications of tropospheric ducts extend beyond amateur radio. Commercial communication systems, including television and cellular networks, can also be affected. Understanding the behavior of tropospheric ducts allows engineers to design better systems that can mitigate potential disruptions. By incorporating predictive models into network planning, providers can anticipate when ducting conditions may occur and adjust their operations accordingly.In conclusion, the study of tropospheric ducts is vital for anyone involved in radio communications. These ducts not only enhance the propagation of signals over long distances but also pose challenges that must be managed effectively. As technology continues to evolve, the ability to predict and utilize tropospheric ducts will become increasingly important, ensuring reliable communication in an ever-connected world. Understanding the science behind these atmospheric phenomena can lead to improved strategies for managing radio frequency interference and optimizing communication networks, ultimately enhancing our ability to connect and share information across vast distances.

“对流层导管”的概念在理解无线电波如何在大气中传播时至关重要。“对流层导管”是指对流层中的一层，空气的折射率突然变化，从而允许无线电波弯曲。这种现象通常发生在温度反转或湿度变化的情况下，形成一种“导管”效应，可以显著增强无线电信号的范围。在这篇文章中，我们将探讨“对流层导管”的形成、影响及其对通信系统的影响。首先，了解“对流层导管”形成的条件是必不可少的。通常，这些导管是在温暖的空气覆盖较冷的地面空气时形成的，创造出一个稳定的层，捕捉无线电波。这种情况在某些天气模式下很常见，例如高压系统，或者在晚间和清晨温度下降时。湿度的存在也可以在导管的形成中发挥重要作用，因为湿度会影响空气的折射率。当这些条件一致时，结果是一个明确的“对流层导管”，可以延伸数百公里。“对流层导管”对无线电波传播的影响是深远的。在正常情况下，无线电波是直线传播的，但当它们遇到导管时，可以向下弯曲，使信号能够到达原本超出范围的区域。这可能导致意想不到的通信链接，连接远距离的站点，这种现象被称为“导管效应”。例如，业余无线电操作员通常利用“对流层导管”来进行长距离联系，而无需昂贵的设备。然而，这种现象也可能导致干扰，因为来自远处站点的信号可能与本地通信重叠，从而导致混淆和中断。此外，“对流层导管”的影响不仅限于业余无线电。商业通信系统，包括电视和蜂窝网络，也可能受到影响。了解“对流层导管”的行为使工程师能够设计更好的系统，以减轻潜在的干扰。通过将预测模型纳入网络规划，提供商可以预测何时可能发生导管条件，并相应地调整其操作。总之，对“对流层导管”的研究对于任何参与无线电通信的人来说都是至关重要的。这些导管不仅增强了信号在长距离上的传播，还带来了必须有效管理的挑战。随着技术的不断发展，预测和利用“对流层导管”的能力将变得越来越重要，确保在一个日益互联的世界中可靠的通信。理解这些大气现象背后的科学可以导致改善无线电频率干扰管理和优化通信网络的策略，从而最终增强我们在广阔距离上连接和共享信息的能力。