ground wave

简明释义

地波

英英释义

例句

1.During the storm, the ground wave signals were still able to penetrate through the heavy rain.

在暴风雨期间，地波信号仍然能够穿透大雨。

2.In coastal areas, ground waves can travel further due to the conductive properties of seawater.

在沿海地区，由于海水的导电特性，地波可以传播得更远。

3.The radio station broadcasts using a strong ground wave to reach listeners in the surrounding areas.

该广播电台使用强大的地波传播信号，以覆盖周围地区的听众。

4.The ground wave propagation is essential for AM radio stations that aim to cover large distances.

对于希望覆盖大范围的AM广播电台来说，地波传播是至关重要的。

5.Scientists study ground waves to improve communication systems in remote locations.

科学家研究地波以改善偏远地区的通信系统。

作文

The concept of a ground wave is essential in the field of radio communication and electromagnetic theory. A ground wave refers to the type of electromagnetic wave that travels along the surface of the Earth. Unlike sky waves, which can reflect off the ionosphere and travel long distances, ground waves are primarily used for short-range communication. This characteristic makes them particularly useful for AM radio broadcasting, where stations transmit signals that follow the curvature of the Earth, allowing for reception even in areas that are not in the direct line of sight to the transmitter.One of the primary advantages of ground waves is their ability to propagate over obstacles such as hills and buildings. This property enables radio signals to reach receivers that might otherwise be out of range if only relying on line-of-sight transmission methods. For instance, in urban environments where tall structures can obstruct signals, ground waves can bend around these barriers, ensuring that listeners can still enjoy their favorite radio stations.Moreover, the effectiveness of ground wave propagation is influenced by several factors, including frequency, terrain, and atmospheric conditions. Lower frequencies tend to propagate better as ground waves, making them more suitable for long-distance communication. On the other hand, higher frequencies may experience increased attenuation, limiting their range and effectiveness.In practical applications, ground waves are crucial for emergency communication systems. During natural disasters or emergencies, reliable communication is vital. Radio stations utilizing ground wave propagation can maintain contact with the public, providing important information and updates. This reliability is essential when traditional communication infrastructures may be compromised.Additionally, the study of ground waves is not limited to radio frequencies. It also extends to other fields, such as radar technology and wireless communication. Engineers and scientists continuously explore ways to optimize ground wave propagation to enhance signal quality and reach. Understanding the principles of ground waves can lead to advancements in various technologies, improving our ability to communicate effectively.In conclusion, the significance of ground waves in communication cannot be overstated. Their unique properties allow for effective transmission of signals over various terrains and obstacles. As technology continues to evolve, the study and application of ground waves will remain an integral part of enhancing communication systems, ensuring that information can be transmitted reliably and efficiently across distances. Whether it’s for everyday radio broadcasts or critical emergency communications, ground waves play a pivotal role in connecting people and disseminating information in our interconnected world.

“地波”这一概念在无线通信和电磁理论领域中至关重要。“地波”指的是沿着地球表面传播的电磁波类型。与能够反射到电离层并进行长距离传播的空中波不同，“地波”主要用于短距离通信。这一特性使其在AM广播中特别有用，广播电台发送的信号沿着地球的曲率传播，使得即使在不直接视线范围内的区域也能接收。“地波”的一个主要优点是它们能够绕过如山丘和建筑等障碍物传播。这一特性使得无线电信号能够到达可能因仅依赖视线传输方法而超出范围的接收器。例如，在高楼林立的城市环境中，建筑物可能会阻挡信号，而“地波”可以绕过这些障碍，确保听众仍然可以收听他们喜欢的广播电台。此外，“地波”传播的有效性受到多个因素的影响，包括频率、地形和大气条件。较低的频率往往更适合作为“地波”传播，使其更适合于长距离通信。另一方面，较高的频率可能会经历更大的衰减，从而限制其范围和有效性。在实际应用中，“地波”对紧急通信系统至关重要。在自然灾害或紧急情况下，可靠的通信至关重要。利用“地波”传播的广播电台可以与公众保持联系，提供重要的信息和更新。当传统通信基础设施可能受到损害时，这种可靠性显得尤为重要。此外，“地波”的研究不仅限于无线电频率。它还扩展到其他领域，如雷达技术和无线通信。工程师和科学家不断探索优化“地波”传播的方法，以提高信号质量和覆盖范围。理解“地波”的原理可以推动各项技术的进步，提高我们有效沟通的能力。总之，“地波”在通信中的重要性不容小觑。它们独特的属性使得信号能够在各种地形和障碍物上有效传播。随着技术的不断发展，“地波”的研究和应用将继续成为增强通信系统的重要组成部分，确保信息能够在距离之间可靠而高效地传输。无论是日常广播还是关键的紧急通信，“地波”在连接人们和传播信息方面发挥着关键作用。