radio-wave propagation

简明释义

无线电波传播

英英释义

例句

1.Engineers must consider radio-wave propagation 无线电波传播 when designing antennas for optimal performance.

工程师在设计天线以达到最佳性能时，必须考虑无线电波传播。

2.Understanding radio-wave propagation 无线电波传播 helps in troubleshooting signal loss issues.

理解无线电波传播有助于排查信号丢失的问题。

3.Research on radio-wave propagation 无线电波传播 patterns is crucial for effective radar systems.

对无线电波传播模式的研究对有效的雷达系统至关重要。

4.The study of radio-wave propagation 无线电波传播 is essential for improving communication systems.

对无线电波传播的研究对于改善通信系统至关重要。

5.Factors such as terrain and weather can significantly affect radio-wave propagation 无线电波传播 in a given area.

地形和天气等因素可以显著影响特定区域内的无线电波传播。

作文

Radio communication has become an integral part of our daily lives, enabling us to connect with others across vast distances. One of the fundamental concepts that underpins this technology is radio-wave propagation, which refers to the way radio waves travel through different mediums and environments. Understanding radio-wave propagation is crucial for engineers and scientists who design communication systems, as it affects how signals are transmitted and received. In this essay, we will explore the various factors that influence radio-wave propagation and its applications in modern communication technologies.The journey of a radio wave begins when it is generated by a transmitter. These waves can travel through the air, space, or even through solid materials, depending on their frequency and the environment they encounter. The behavior of radio waves is influenced by several factors, including frequency, distance, and obstacles in the path of the wave. For instance, lower frequency waves can diffract around obstacles, allowing them to reach areas that higher frequency waves might not be able to penetrate. This characteristic is particularly useful in rural areas where communication towers may be sparse.Another aspect of radio-wave propagation is the impact of the Earth's atmosphere. The ionosphere, a region of the atmosphere filled with charged particles, can reflect certain frequencies of radio waves back to Earth, enabling long-distance communication without the need for satellites. This phenomenon is known as skywave propagation. However, atmospheric conditions can vary greatly, affecting the reliability of this type of communication. Engineers must take these variations into account when designing communication systems that rely on radio-wave propagation.Moreover, urban environments present unique challenges for radio-wave propagation. Buildings, trees, and other structures can obstruct or reflect radio waves, creating dead zones where signals are weak or nonexistent. To mitigate these issues, network designers often employ strategies such as placing antennas at higher elevations or using repeaters to boost weak signals. Additionally, advancements in technology, such as Multiple Input Multiple Output (MIMO) systems, have improved the efficiency of radio-wave propagation by allowing multiple signals to be transmitted simultaneously over the same channel.The significance of radio-wave propagation extends beyond traditional communication systems. It plays a vital role in technologies such as radar, satellite communication, and wireless networks. For example, in aviation, radar systems rely on radio-wave propagation to detect aircraft and monitor weather patterns. Similarly, GPS technology depends on the precise timing and propagation of radio signals to determine locations accurately.In conclusion, understanding radio-wave propagation is essential for anyone involved in the field of communication technology. As we continue to advance in this area, the importance of effective radio-wave propagation will only grow, shaping the future of how we connect with one another. Whether it's through improving mobile phone networks, enhancing satellite communications, or developing new technologies, the principles of radio-wave propagation will remain at the forefront of innovation in the telecommunications industry.

无线通信已成为我们日常生活中不可或缺的一部分，使我们能够跨越广阔的距离与他人联系。支撑这一技术的基本概念之一是无线电波传播，它指的是无线电波通过不同介质和环境传播的方式。理解无线电波传播对设计通信系统的工程师和科学家至关重要，因为它影响信号的传输和接收。在这篇文章中，我们将探讨影响无线电波传播的各种因素及其在现代通信技术中的应用。无线电波的旅程始于发射器生成的信号。这些波可以通过空气、太空甚至固体材料传播，具体取决于它们的频率和所遇到的环境。无线电波的行为受到多个因素的影响，包括频率、距离以及波传播路径中的障碍物。例如，低频波能够绕过障碍物，从而到达高频波可能无法穿透的区域。这一特性在通信塔稀少的农村地区尤为有用。无线电波传播的另一个方面是地球大气层的影响。电离层是充满带电粒子的气层，可以将某些频率的无线电波反射回地球，从而实现无需卫星的远距离通信。这种现象被称为天波传播。然而，大气条件可能会有很大变化，影响这种通信的可靠性。工程师在设计依赖于无线电波传播的通信系统时，必须考虑这些变化。此外，城市环境对无线电波传播提出了独特的挑战。建筑物、树木和其他结构可能会阻挡或反射无线电波，造成信号弱或不存在的死区。为了减轻这些问题，网络设计师通常采用一些策略，例如将天线放置在更高的地方或使用中继器来增强弱信号。此外，诸如多输入多输出（MIMO）系统等技术的进步，通过允许在同一信道上同时传输多个信号，提高了无线电波传播的效率。无线电波传播的重要性超越了传统通信系统。它在雷达、卫星通信和无线网络等技术中发挥着至关重要的作用。例如，在航空领域，雷达系统依赖于无线电波传播来检测飞机和监测天气模式。同样，GPS技术也依赖于无线电信号的精确时序和传播来准确确定位置。总之，理解无线电波传播对于任何参与通信技术领域的人来说都是至关重要的。随着我们在这一领域的不断进步，有效的无线电波传播的重要性只会增加，塑造我们彼此连接的未来。无论是改善手机网络、增强卫星通信，还是开发新技术，无线电波传播的原理将始终处于电信行业创新的前沿。