maximum useful frequency

简明释义

最高使用频率

英英释义

例句

1.To optimize signal quality, we need to operate below the maximum useful frequency 最大有效频率 of the transmission line.

为了优化信号质量，我们需要在传输线的最大有效频率 maximum useful frequency以下运行。

2.During the experiment, the team measured the maximum useful frequency 最大有效频率 of the newly developed antenna.

在实验过程中，团队测量了新开发天线的最大有效频率 maximum useful frequency。

3.The maximum useful frequency 最大有效频率 for shortwave radio varies depending on atmospheric conditions.

短波无线电的最大有效频率 maximum useful frequency根据大气条件而有所不同。

4.In radar technology, understanding the maximum useful frequency 最大有效频率 is crucial for detecting objects accurately.

在雷达技术中，理解最大有效频率 maximum useful frequency对准确探测物体至关重要。

5.The engineer calculated the maximum useful frequency 最大有效频率 for the communication system to ensure optimal performance.

工程师计算了通信系统的最大有效频率 maximum useful frequency以确保最佳性能。

作文

In the realm of telecommunications and radio communication, understanding the concept of maximum useful frequency is crucial for effective transmission and reception of signals. The term refers to the highest frequency at which a radio wave can be transmitted and still be effectively utilized for communication. It plays a significant role in various applications, including broadcasting, aviation, maritime communication, and even amateur radio operations.The maximum useful frequency is influenced by several factors, including the ionosphere's conditions, the time of day, and the frequency of the signal itself. During the day, higher frequencies can penetrate the ionosphere, allowing for long-distance communication. However, as night falls, lower frequencies become more effective due to changes in the ionospheric layers. This phenomenon highlights the importance of understanding the maximum useful frequency for different times and conditions.For instance, in aviation communication, pilots rely on specific frequencies to communicate with air traffic control. If they were to exceed the maximum useful frequency, the signal would not reach the ground stations effectively, leading to potential miscommunication and safety hazards. Similarly, maritime communication relies on maintaining frequencies within the maximum useful frequency range to ensure that ships can communicate with each other and with port authorities, especially in emergency situations.In the world of broadcasting, radio stations must also adhere to the principles of maximum useful frequency. By operating within the designated frequency ranges, they can ensure that their signals reach the intended audience without interference. This is particularly important in densely populated areas where multiple stations may operate on similar frequencies. Understanding the maximum useful frequency helps broadcasters optimize their transmission power and coverage area.Moreover, amateur radio operators, or 'hams', often experiment with different frequencies to establish communication over long distances. They must be aware of the maximum useful frequency to make informed decisions about which frequencies to use based on the time of day and atmospheric conditions. Many hams utilize propagation forecasts to determine the best frequencies for their communications, thereby maximizing their chances of successful contact.In conclusion, the concept of maximum useful frequency is essential for anyone involved in radio communication. Whether in professional settings like aviation and maritime operations or in the hobbyist realm of amateur radio, understanding this principle can significantly enhance the effectiveness of communication. As technology continues to evolve, so too will our understanding of how to utilize the maximum useful frequency to its fullest potential, ensuring clearer, more reliable communication across various platforms. Thus, mastering the implications of maximum useful frequency is not only beneficial but necessary in today's interconnected world.

在电信和无线通信领域，理解“最大有效频率”的概念对于有效的信号传输和接收至关重要。这个术语指的是可以传输并仍然有效用于通信的最高频率。它在广播、航空、海事通信甚至业余无线电操作等各种应用中发挥着重要作用。“最大有效频率”受多种因素的影响，包括电离层的条件、时间和信号的频率等。白天，高频率可以穿透电离层，从而实现远距离通信。然而，随着夜幕降临，低频率由于电离层层的变化而变得更加有效。这一现象突显了理解不同时间和条件下的“最大有效频率”的重要性。例如，在航空通信中，飞行员依赖特定频率与空中交通管制进行沟通。如果他们超过了“最大有效频率”，信号将无法有效到达地面站，导致潜在的误通信和安全隐患。同样，海事通信也依赖于保持在“最大有效频率”范围内的频率，以确保船只能够相互之间以及与港口当局进行沟通，特别是在紧急情况下。在广播的世界中，电台也必须遵循“最大有效频率”的原则。通过在指定的频率范围内运行，他们可以确保其信号能够到达预期的听众而不受干扰。这在多个电台可能在相似频率上运行的密集人口地区尤为重要。理解“最大有效频率”有助于广播公司优化其传输功率和覆盖区域。此外，业余无线电操作员或“哈姆”通常会尝试使用不同的频率进行远距离通信。他们必须意识到“最大有效频率”以便根据时间和大气条件做出明智的决策。许多业余无线电爱好者利用传播预测来确定最佳通信频率，从而最大化成功联系的机会。总之，“最大有效频率”的概念对于任何参与无线通信的人来说都是至关重要的。无论是在航空和海事操作等专业环境中，还是在业余无线电爱好者的领域，理解这一原则都能显著提升通信的有效性。随着技术的不断发展，我们对如何充分利用“最大有效频率”的理解也将不断加深，从而确保在各种平台上实现更清晰、更可靠的通信。因此，掌握“最大有效频率”的含义不仅是有益的，而且在当今互联的世界中是必要的。