abnormal VHF radio wave absorption

简明释义

甚高频无线电波吸收异常;

英英释义

例句

1.Engineers are investigating the abnormal VHF radio wave absorption in urban areas that affects emergency communications.

工程师正在调查影响紧急通信的城市地区的异常的VHF无线电波吸收。

2.During the experiment, we observed abnormal VHF radio wave absorption at certain frequencies, indicating potential interference.

在实验中，我们观察到在某些频率下有异常的VHF无线电波吸收，这表明可能存在干扰。

3.The meteorologist reported that the storm caused abnormal VHF radio wave absorption, leading to communication disruptions.

气象学家报告称，风暴导致了异常的VHF无线电波吸收，从而导致通信中断。

4.The research team published a paper on the effects of abnormal VHF radio wave absorption during solar flares.

研究小组发表了一篇关于太阳耀斑期间异常的VHF无线电波吸收影响的论文。

5.We need to calibrate our equipment to account for abnormal VHF radio wave absorption in coastal regions.

我们需要校准设备，以考虑沿海地区的异常的VHF无线电波吸收。

作文

In recent years, the study of radio waves has gained significant attention, particularly in the context of communication technology and atmospheric science. One intriguing phenomenon that researchers have encountered is abnormal VHF radio wave absorption. This term refers to an unexpected increase in the absorption of very high frequency (VHF) radio waves, which can disrupt normal communication signals. Understanding this phenomenon is crucial for improving communication systems and predicting atmospheric conditions.VHF radio waves, typically ranging from 30 MHz to 300 MHz, are widely used in various applications, including television broadcasts, two-way radios, and aviation communication. Under normal circumstances, these waves can travel long distances, especially when they bounce off the ionosphere. However, factors such as solar activity, humidity, and temperature variations can lead to abnormal VHF radio wave absorption, causing significant signal loss.One of the primary causes of this abnormal absorption is the presence of ionospheric irregularities. The ionosphere is a layer of the Earth's atmosphere that is ionized by solar radiation. It plays a critical role in radio wave propagation. During periods of high solar activity, such as solar flares, the ionosphere can become disturbed, leading to changes in its density and composition. These disturbances can result in increased absorption of VHF signals, making communication difficult or even impossible in certain areas.Another factor contributing to abnormal VHF radio wave absorption is the presence of atmospheric phenomena, such as thunderstorms and heavy rain. These weather conditions can create a dense layer of moisture in the atmosphere, which absorbs radio waves more effectively. This is particularly problematic for VHF communications, as the signals may not penetrate through the moisture-laden air, resulting in poor reception and communication failures.In addition to natural causes, human activities can also influence VHF radio wave absorption. Urbanization, for example, can lead to increased levels of pollution and changes in land use, affecting the local atmosphere's properties. Furthermore, the proliferation of electronic devices and wireless technologies can introduce additional noise, further complicating the transmission of VHF signals.The implications of abnormal VHF radio wave absorption are far-reaching. For industries that rely on VHF communication, such as aviation and maritime operations, understanding and mitigating this phenomenon is essential for ensuring safety and efficiency. Researchers are continually working to develop models that can predict when and where these abnormal absorption events may occur, allowing operators to adjust their communication strategies accordingly.In conclusion, abnormal VHF radio wave absorption is a complex phenomenon influenced by various natural and human-induced factors. As our reliance on VHF communication continues to grow, it is imperative that we deepen our understanding of this issue. By studying the underlying causes and developing effective mitigation strategies, we can enhance communication reliability and ensure that vital information is transmitted without interruption, even in the face of challenging atmospheric conditions.

近年来，电波研究引起了广泛关注，特别是在通信技术和大气科学的背景下。研究人员遇到的一个有趣现象是异常的超高频（VHF）电波吸收。这个术语指的是超高频（VHF）电波吸收的意外增加，这可能会干扰正常的通信信号。理解这一现象对于改善通信系统和预测大气条件至关重要。VHF电波通常在30 MHz到300 MHz之间，广泛应用于电视广播、双向无线电和航空通信等多个领域。在正常情况下，这些电波可以传播很远的距离，尤其是当它们反弹离子层时。然而，太阳活动、湿度和温度变化等因素可能导致异常的超高频（VHF）电波吸收，造成显著的信号损失。这一异常吸收的主要原因之一是离子层的不规则性。离子层是地球大气中受太阳辐射电离的层。它在电波传播中发挥着关键作用。在高太阳活动期间，例如太阳耀斑，离子层可能会受到干扰，导致其密度和组成发生变化。这些干扰可能会导致VHF信号的吸收增加，使得某些区域的通信变得困难甚至不可能。导致异常的超高频（VHF）电波吸收的另一个因素是大气现象的存在，例如雷暴和大雨。这些天气条件可能会在大气中形成一个密集的水汽层，从而更有效地吸收电波。这对VHF通信尤其成问题，因为信号可能无法穿透潮湿的空气，导致接收效果差和通信故障。除了自然原因，人类活动也会影响VHF电波吸收。城市化进程例如，可能导致污染水平的增加和土地使用的变化，从而影响局部大气的性质。此外，电子设备和无线技术的普及可能会引入额外的噪声，进一步复杂化VHF信号的传输。异常的超高频（VHF）电波吸收的影响深远。对于依赖VHF通信的行业，如航空和海事操作，理解和减轻这一现象对于确保安全和效率至关重要。研究人员不断努力开发模型，以预测这些异常吸收事件何时何地可能发生，从而使运营商能够相应调整其通信策略。总之，异常的超高频（VHF）电波吸收是一个复杂的现象，受多种自然和人类因素的影响。随着我们对VHF通信的依赖不断增加，深入理解这一问题显得尤为重要。通过研究其根本原因并制定有效的缓解策略，我们可以提高通信的可靠性，确保在面对挑战性大气条件时，重要信息能够不间断地传输。