medium frequency
简明释义
中频
英英释义
例句
1.In audio engineering, medium frequency 中频 is crucial for vocal clarity.
在音频工程中,中频 medium frequency 对于人声清晰度至关重要。
2.The radio station broadcasts at a medium frequency 中频 to reach a wider audience.
这家广播电台以中频 medium frequency播出,以吸引更广泛的听众。
3.The medium frequency 中频 signals are less affected by obstacles compared to high frequencies.
与高频信号相比,中频 medium frequency 信号受到障碍物的影响较小。
4.For better sound quality, adjust the equalizer settings to enhance medium frequency 中频 tones.
为了获得更好的音质,请调整均衡器设置以增强中频 medium frequency 音调。
5.The device operates effectively within the medium frequency 中频 range.
该设备在中频 medium frequency 范围内有效运行。
作文
In the world of communication technology, understanding different frequencies is crucial for effective transmission of information. One such frequency range that plays a significant role in various applications is known as medium frequency. This term refers to electromagnetic waves that operate within a specific frequency range, typically between 300 kHz and 3 MHz. The significance of medium frequency lies in its ability to facilitate long-distance communication, making it an essential component in radio broadcasting, maritime communication, and even amateur radio operations.The unique characteristics of medium frequency waves allow them to travel further than higher frequency waves. This is primarily due to their longer wavelengths, which can diffract around obstacles and follow the curvature of the Earth. As a result, medium frequency signals can reach receivers that are located hundreds of kilometers away from the transmitter. This property has made it a popular choice for AM radio stations, which rely on medium frequency to broadcast news, music, and entertainment to a wide audience.Another important aspect of medium frequency is its ability to penetrate the atmosphere effectively. Unlike very high frequency (VHF) and ultra-high frequency (UHF) signals, which can be easily absorbed by atmospheric conditions, medium frequency waves can travel through various weather conditions without significant degradation. This resilience makes it ideal for maritime communication, where ships at sea need reliable communication systems to ensure safety and coordination.Moreover, medium frequency is also utilized in other forms of communication, such as two-way radios used by emergency services and law enforcement. These devices often operate within the medium frequency range to ensure clear and consistent communication, especially in urban areas where buildings and other structures can obstruct signals.Despite the advantages of medium frequency, it is not without its challenges. One of the main drawbacks is its susceptibility to interference from electrical equipment and atmospheric noise. For instance, thunderstorms can generate static interference that disrupts medium frequency signals, leading to poor reception. Additionally, as technology advances, many users are shifting towards higher frequency bands, which offer better sound quality and more channels. This trend poses a challenge for medium frequency broadcasters, who must find ways to remain relevant in an increasingly digital world.In conclusion, medium frequency is a vital frequency range in the realm of communication technology. Its ability to provide long-distance coverage, penetrate atmospheric conditions, and serve various applications makes it indispensable for radio broadcasting and maritime communication. However, with the ongoing advancements in technology and the growing preference for higher frequency bands, the future of medium frequency may require adaptation and innovation to maintain its significance in the ever-evolving landscape of communication. Understanding this frequency range is essential for anyone involved in the field, as it continues to play a critical role in how we connect and share information across distances.
在通信技术的世界中,理解不同频率对于有效传输信息至关重要。一个在各种应用中发挥重要作用的频率范围被称为中频。这个术语指的是在特定频率范围内运行的电磁波,通常在300 kHz到3 MHz之间。中频的重要性在于它能够促进远程通信,使其成为广播、海上通信甚至业余无线电操作中的基本组成部分。中频波的独特特性使其能够比高频波传播得更远。这主要是由于它们较长的波长,可以绕过障碍物并跟随地球的曲率。因此,中频信号可以到达距离发射器数百公里的接收器。这个特性使其成为AM广播电台的热门选择,这些电台依赖于中频向广大观众播送新闻、音乐和娱乐。中频的另一个重要方面是它有效穿透大气的能力。与非常高频(VHF)和超高频(UHF)信号不同,后者很容易被大气条件吸收,中频波可以在各种天气条件下传播而不会显著衰减。这种韧性使其非常适合海上通信,在海上的船只需要可靠的通信系统以确保安全和协调。此外,中频还用于其他形式的通信,例如紧急服务和执法部门使用的双向无线电。这些设备通常在中频范围内工作,以确保清晰和一致的通信,尤其是在建筑物和其他结构可能阻碍信号的城市地区。尽管中频有诸多优势,但也并非没有挑战。主要缺点之一是它易受电气设备和大气噪声干扰。例如,雷暴会产生静态干扰,干扰中频信号,导致接收不良。此外,随着技术的进步,许多用户正在转向更高频段,这提供了更好的音质和更多频道。这一趋势对中频广播商构成了挑战,他们必须找到在日益数字化的世界中保持相关性的方法。总之,中频是通信技术领域中一个重要的频率范围。它提供远程覆盖、穿透大气条件的能力,以及服务于各种应用的能力,使其在广播和海上通信中不可或缺。然而,随着技术的不断进步和对更高频带的偏好日益增加,中频的未来可能需要适应和创新,以保持其在不断发展的通信格局中的重要性。理解这一频率范围对于任何参与该领域的人来说都是必不可少的,因为它继续在我们如何跨越距离连接和分享信息中发挥关键作用。
相关单词