medium frequency

简明释义

中频

英英释义

例句

1.The radio station broadcasts at a medium frequency 中频 to reach a wider audience.

这家广播电台以中频的方式播出，以覆盖更广泛的听众。

2.In our study, we found that medium frequency 中频 signals are less susceptible to interference.

在我们的研究中，我们发现中频信号不易受到干扰。

3.Many communication devices operate effectively in the medium frequency 中频 band.

许多通信设备在中频频段内有效工作。

4.For better sound quality, the audio engineer adjusted the medium frequency 中频 settings on the mixer.

为了获得更好的音质，音频工程师调整了混音器上的中频设置。

5.The medium frequency 中频 range is often used for AM radio transmissions.

中频范围通常用于调幅广播传输。

作文

In the realm of communication technology, understanding different frequencies is crucial for effective transmission and reception of signals. One such frequency range that plays a significant role in various applications is referred to as medium frequency. This term typically encompasses frequencies between 300 kHz and 3 MHz, which are utilized in various domains, including radio broadcasting, maritime communication, and amateur radio operations.The significance of medium frequency lies in its ability to travel long distances while maintaining reasonable sound quality. For instance, AM radio stations primarily operate within this frequency range, allowing them to broadcast over vast areas. The propagation characteristics of medium frequency waves enable them to bend around obstacles and reflect off the ionosphere, making them particularly effective for long-range communication.In addition to radio broadcasting, medium frequency is also employed in maritime communication. Ships often rely on this frequency range to communicate with each other and with coastal stations. The reliability of medium frequency signals in open waters is vital for ensuring safety and coordination among vessels. Furthermore, the use of medium frequency in navigation aids, such as lighthouses and buoys, enhances the overall safety of maritime operations.Moreover, amateur radio enthusiasts frequently utilize medium frequency for their communications. The ability to connect with fellow operators over considerable distances fosters a sense of community and allows for the exchange of information and experiences. This aspect of medium frequency not only serves practical purposes but also encourages social interaction among hobbyists who share a passion for radio technology.However, like any other frequency range, medium frequency comes with its challenges. One notable issue is the susceptibility of these signals to interference from other electronic devices and atmospheric conditions. This interference can lead to degraded audio quality and disrupted communication, which is why operators must be aware of their surroundings and take necessary precautions.Additionally, as technology advances, the relevance of medium frequency is occasionally questioned in favor of higher frequencies, which can offer better bandwidth and data transmission rates. Nevertheless, the unique properties of medium frequency ensure its continued use in specific applications where long-range communication is essential.In conclusion, the term medium frequency encapsulates a vital segment of the electromagnetic spectrum that facilitates various forms of communication. From AM radio broadcasts to maritime safety and amateur radio interactions, medium frequency plays an indispensable role in connecting people and providing essential services. Understanding the characteristics and applications of medium frequency not only enriches our knowledge of communication technology but also highlights the importance of maintaining diverse methods of connectivity in an ever-evolving digital landscape.

在通信技术领域，理解不同频率对于信号的有效传输和接收至关重要。一个在各种应用中发挥重要作用的频率范围被称为中频。这个术语通常涵盖300 kHz到3 MHz之间的频率，这些频率在广播、海事通信和业余无线电操作等多个领域中被广泛使用。中频的重要性在于它能够在保持合理音质的同时传播较远的距离。例如，AM广播电台主要在这一频率范围内运行，使其能够在广阔的区域内广播。中频波的传播特性使其能够绕过障碍物并反射到电离层上，从而使其在远程通信中尤其有效。除了广播，中频还被用于海事通信。船舶常常依赖这一频率范围与其他船只和沿海站进行通信。中频信号在开阔水域中的可靠性对于确保船舶之间的安全和协调至关重要。此外，中频在导航辅助设备（如灯塔和浮标）中的使用增强了海事操作的整体安全性。此外，业余无线电爱好者也经常利用中频进行通信。在相当距离内与其他操作员连接的能力促进了社区感，并允许信息和经验的交流。中频的这一方面不仅服务于实际目的，还鼓励了对无线电技术充满热情的爱好者之间的社交互动。然而，像其他频率范围一样，中频也面临着一些挑战。其中一个显著的问题是这些信号容易受到其他电子设备和气象条件的干扰。这种干扰可能导致音质下降和通信中断，因此操作员必须了解周围环境并采取必要的预防措施。此外，随着技术的进步，中频的相关性有时会因更高频率的出现而受到质疑，后者可以提供更好的带宽和数据传输速率。然而，中频的独特属性确保了它在特定应用中的持续使用，这些应用需要长距离通信。总之，术语中频概括了电磁波谱中一个重要的部分，促进了各种形式的通信。从AM广播到海事安全以及业余无线电互动，中频在连接人们和提供基本服务方面发挥着不可或缺的作用。理解中频的特性和应用不仅丰富了我们对通信技术的认识，也强调了在不断发展的数字环境中维持多样化连接方法的重要性。