medium wave

简明释义

中波

英英释义

例句

1.The clarity of medium wave (中波) broadcasts can be affected by atmospheric conditions.

天气状况可能会影响中波（中波）广播的清晰度。

2.In rural areas, medium wave (中波) radio stations are often the only source of news.

在农村地区，中波（中波）广播电台通常是唯一的新闻来源。

3.Many older radios are equipped to receive medium wave (中波) signals.

许多老式收音机能够接收中波（中波）信号。

4.The radio station broadcasts on a frequency of 600 kHz, which falls under the category of medium wave (中波).

这家广播电台的频率为600 kHz，属于中波（中波）的范畴。

5.You can tune into medium wave (中波) frequencies to listen to local sports commentary.

您可以调到中波（中波）频率，收听当地的体育评论。

作文

The world of radio communication is vast and complex, with various frequencies used for different purposes. One such frequency range is known as medium wave, which plays a crucial role in broadcasting. Understanding medium wave is essential for anyone interested in the field of radio technology or simply for those who enjoy listening to their favorite radio stations. In this essay, I will explore the characteristics of medium wave, its applications, and its significance in modern communication.Medium wave refers to a specific range of radio frequencies that typically fall between 530 kHz and 1700 kHz. This range is particularly suitable for AM (Amplitude Modulation) broadcasting, which has been a staple of radio communication since its inception. The wavelength of medium wave signals is longer than that of FM (Frequency Modulation) signals, allowing them to travel greater distances, especially at night when atmospheric conditions are more favorable.One of the most significant advantages of medium wave broadcasting is its ability to cover large geographic areas. This makes it an ideal choice for local and regional radio stations that want to reach a wide audience. For instance, many community radio stations operate on medium wave frequencies to provide news, entertainment, and information relevant to their local listeners. Moreover, during emergencies, medium wave can serve as a reliable means of communication, ensuring that vital information reaches the public swiftly.However, medium wave broadcasting is not without its challenges. One major issue is interference from other electronic devices and radio stations. Because the medium wave band is relatively crowded, signals can easily overlap, leading to poor sound quality and listener frustration. Additionally, the quality of medium wave reception can be affected by physical obstacles such as buildings and hills, which can obstruct the signal.Despite these challenges, medium wave remains a popular choice for many broadcasters. Its simplicity and effectiveness make it a valuable tool for communication. Furthermore, advancements in technology have improved the quality of medium wave transmissions, allowing for clearer sound and reduced interference. Digital technologies, such as DRM (Digital Radio Mondiale), are being explored to enhance medium wave broadcasting, providing listeners with better audio quality and additional features.In conclusion, medium wave is a fundamental aspect of radio communication that continues to play a vital role in our lives. Its ability to reach large audiences, especially in local contexts, makes it an essential medium for information dissemination. While challenges exist, ongoing technological advancements promise to enhance the medium wave experience for both broadcasters and listeners alike. As we move forward, understanding and embracing the potential of medium wave will be crucial in the ever-evolving landscape of communication technology.

无线电通信的世界广泛而复杂，各种频率用于不同的目的。其中一种频率范围被称为中波，它在广播中发挥着至关重要的作用。理解中波对于任何对无线电技术感兴趣的人或简单地喜欢收听自己最喜欢的广播电台的人来说都是必不可少的。在这篇文章中，我将探讨中波的特征、应用及其在现代通信中的重要性。中波指的是一个特定的无线电频率范围，通常介于530 kHz和1700 kHz之间。这个范围特别适合AM（幅度调制）广播，自无线电通信诞生以来一直是其重要组成部分。中波信号的波长比FM（频率调制）信号长，允许它们在更远的距离传播，尤其是在夜间，当大气条件更加有利时。中波广播的一个显著优势是其覆盖大面积地理区域的能力。这使得它成为地方和区域广播电台的理想选择，能够接触到广泛的观众。例如，许多社区广播电台在中波频率上运营，以提供与当地听众相关的新闻、娱乐和信息。此外，在紧急情况下，中波可以作为可靠的通信手段，确保重要信息迅速传达给公众。然而，中波广播并非没有挑战。一个主要问题是来自其他电子设备和广播电台的干扰。由于中波频段相对拥挤，信号很容易重叠，导致音质差和听众沮丧。此外，中波接收的质量可能会受到建筑物和山丘等物理障碍的影响，这些障碍可能会阻挡信号。尽管存在这些挑战，中波仍然是许多广播公司的热门选择。它的简单性和有效性使其成为通信的宝贵工具。此外，技术的进步提高了中波传输的质量，使声音更加清晰，干扰减少。数字技术，如DRM（数字无线电全球），正在探索以增强中波广播，为听众提供更好的音质和附加功能。总之，中波是无线电通信的一个基本方面，继续在我们的生活中发挥着重要作用。它在地方背景下接触大规模受众的能力使其成为信息传播的必要媒介。尽管存在挑战，但持续的技术进步承诺将增强广播公司和听众的中波体验。随着我们向前发展，理解和接受中波的潜力对于不断发展的通信技术格局至关重要。