ground wave reading

简明释义

地波读数

英英释义

例句

1.The ground wave reading showed a significant change in moisture levels in the area.

该地波读数显示该地区的水分水平发生了显著变化。

2.After taking the ground wave reading, they decided to adjust their construction plans.

在进行地波读数后，他们决定调整施工计划。

3.During the survey, we recorded a ground wave reading that indicated potential seismic activity.

在调查期间，我们记录了一个地波读数，这表明可能存在地震活动。

4.He explained how to interpret the ground wave reading for better understanding of the terrain.

他解释了如何解读地波读数以更好地理解地形。

5.The engineer took a ground wave reading to assess the soil conditions for the new foundation.

工程师进行了地波读数以评估新基础的土壤条件。

作文

In the field of telecommunications and radio broadcasting, understanding various types of wave propagation is crucial. One such type is the concept of ground wave reading, which refers to the way radio waves travel along the surface of the Earth. This phenomenon occurs primarily at lower frequencies, typically below 2 MHz, where the waves can follow the curvature of the Earth and can be received at considerable distances from the transmitter. The ground wave reading is essential for ensuring effective communication in various applications, including AM radio broadcasting and maritime communications.Ground waves are influenced by several factors, such as the conductivity of the ground, the frequency of the transmitted signal, and the height of the transmitting antenna. For instance, a well-designed antenna that is elevated can enhance the strength of the ground wave reading, allowing it to cover a broader area. Conversely, poor ground conditions or high frequencies may result in weaker signals, limiting the range of communication.One of the significant advantages of ground wave reading is its ability to provide reliable communication during nighttime hours. Unlike sky waves, which can reflect off the ionosphere and create unpredictable reception patterns, ground waves maintain a consistent path. This reliability makes them particularly valuable for emergency services and other critical communications that require dependable signal transmission.However, while ground wave reading offers many benefits, it also has limitations. The range of ground waves is generally shorter than that of sky waves, making them less effective for long-distance communication. Additionally, environmental factors such as buildings, trees, and terrain can obstruct the signal, leading to potential dead zones where reception is poor or nonexistent.To optimize ground wave reading, engineers often conduct extensive research and testing before setting up broadcasting stations. They analyze the geographical and environmental conditions to determine the best frequency and antenna height for maximum coverage. By doing so, they can ensure that the transmitted signals reach as many listeners as possible, providing them with clear and uninterrupted service.In conclusion, the concept of ground wave reading plays a vital role in the field of radio communication. Its ability to transmit signals along the Earth's surface makes it an essential tool for various broadcasting applications. While it does have its challenges, advancements in technology and careful planning can help mitigate these issues, ensuring that ground wave reading remains a reliable method of communication for years to come. As we continue to rely on radio waves for our daily communications, a deeper understanding of this phenomenon will undoubtedly enhance our ability to connect with one another effectively.

在电信和广播领域，理解各种波传播类型至关重要。其中一个概念是地波读取，它指的是无线电波沿着地球表面传播的方式。这种现象主要发生在较低频率下，通常低于2 MHz，此时波可以跟随地球的曲率，并且可以在距离发射器相当远的地方接收到。地波读取对于确保在各种应用中有效通信至关重要，包括AM广播和海事通信。地波受到多个因素的影响，例如地面的导电性、传输信号的频率以及发射天线的高度。例如，设计良好的高天线可以增强地波读取的强度，使其覆盖更广泛的区域。相反，较差的地面条件或高频率可能导致信号减弱，从而限制通信范围。地波读取的一个显著优势是它在夜间提供可靠通信的能力。与可能反射到电离层并产生不可预测接收模式的天波不同，地波保持一致的路径。这种可靠性使它们对紧急服务和其他需要可靠信号传输的关键通信尤为重要。然而，虽然地波读取提供了许多好处，但它也有局限性。地波的范围通常比天波短，这使得它们在长距离通信中效果不佳。此外，建筑物、树木和地形等环境因素可能会阻碍信号，导致潜在的死区，在这些区域接收效果差或根本没有接收。为了优化地波读取，工程师通常在建立广播站之前进行广泛的研究和测试。他们分析地理和环境条件，以确定最佳频率和天线高度，以获得最大覆盖率。通过这样做，他们可以确保传输的信号尽可能多地到达听众，为他们提供清晰和不间断的服务。总之，地波读取的概念在无线电通信领域发挥着至关重要的作用。它沿着地球表面传输信号的能力使其成为各种广播应用的重要工具。尽管存在挑战，但技术的进步和细致的规划可以帮助减轻这些问题，确保地波读取在未来几年仍然是一种可靠的通信方法。随着我们继续依赖无线电波进行日常通信，对这一现象的更深入理解无疑将增强我们有效连接彼此的能力。