very high frequency

简明释义

甚高频

英英释义

例句

1.Military communication systems frequently utilize very high frequency 超高频 channels.

军事通信系统经常使用超高频 very high frequency 通道。

2.Some weather radars operate in the very high frequency 超高频 range to detect precipitation.

一些气象雷达在超高频 very high frequency 范围内工作，以探测降水。

3.The radio station broadcasts on a very high frequency 超高频 band, allowing for clearer sound quality.

这家电台在超高频 very high frequency 波段上广播，从而提供更清晰的音质。

4.The very high frequency 超高频 spectrum is crucial for television broadcasting.

超高频 very high frequency 频谱对电视广播至关重要。

5.In telecommunications, very high frequency 超高频 signals are often used for mobile communications.

在电信中，超高频 very high frequency 信号常用于移动通信。

作文

In the world of telecommunications, the term very high frequency refers to a specific range of radio frequencies that are used for various forms of communication. This range typically spans from 30 megahertz (MHz) to 300 MHz. The very high frequency band is crucial for many applications, including television broadcasting, FM radio, and even some mobile communications. Understanding the significance of this frequency range is essential for both professionals in the field and consumers who rely on these technologies daily.The very high frequency band is particularly important because it allows for line-of-sight communication. This means that signals can travel effectively over long distances, but they require a clear path between the transmitter and receiver. For instance, when you tune into your favorite FM radio station, you are utilizing the very high frequency spectrum. The clarity and quality of sound that you experience are largely due to the advantages offered by this frequency range.Moreover, the very high frequency band is less susceptible to interference compared to lower frequency bands. This characteristic makes it ideal for broadcasting high-quality audio and video signals. For example, television stations often operate within this range to ensure that viewers receive a clear picture and sound. This reliability is one of the reasons why very high frequency is preferred for many broadcasting services.In addition to broadcasting, the very high frequency range is also utilized in aviation. Air traffic control communications often occur within this frequency band, allowing pilots and air traffic controllers to maintain clear and consistent communication. This is vital for ensuring the safety of flights and managing the complexities of air traffic. The use of very high frequency in aviation demonstrates its importance in critical applications where reliable communication is paramount.Another interesting application of very high frequency is in two-way radios, commonly used by emergency services, such as police and fire departments. These radios allow for instant communication between units, which is crucial during emergencies when every second counts. The ability to communicate effectively using very high frequency ensures that responders can coordinate their efforts and provide assistance where it is needed most.As technology continues to advance, the utilization of the very high frequency band is evolving. With the rise of digital broadcasting and new communication technologies, there are ongoing discussions about how to best utilize this valuable spectrum. The demand for bandwidth is increasing, and finding ways to optimize the use of very high frequency will be essential for future developments in telecommunications.In conclusion, the term very high frequency encompasses a critical range of radio frequencies that play a significant role in modern communication systems. From broadcasting to aviation and emergency services, the applications of this frequency range are vast and varied. As we move forward, understanding and optimizing the use of very high frequency will be key to ensuring that our communication systems remain effective and reliable. As consumers, we benefit from the advancements in this field, enjoying clearer broadcasts and safer communications in our daily lives.

在电信的世界中，术语非常高频指的是用于各种通信形式的特定无线电频率范围。这个范围通常从30兆赫（MHz）到300 MHz。非常高频频段对于许多应用至关重要，包括电视广播、调频广播甚至某些移动通信。理解这一频率范围的重要性对于该领域的专业人士以及依赖这些技术的消费者来说都是至关重要的。非常高频频段特别重要，因为它允许视线内的通信。这意味着信号可以有效地传播很长距离，但它们需要发射器和接收器之间有清晰的路径。例如，当你调到最喜欢的调频广播电台时，你实际上是在利用非常高频频谱。你所体验到的声音的清晰度和质量在很大程度上是由于这一频率范围提供的优势。此外，非常高频频段比低频段更不易受到干扰。这一特性使其成为广播高质量音频和视频信号的理想选择。例如，电视台通常在这一频率范围内运行，以确保观众收到清晰的图像和声音。这种可靠性是许多广播服务更倾向于使用非常高频的原因之一。除了广播外，非常高频频段还在航空中得到应用。空中交通管制通信通常发生在这一频率范围内，使飞行员和空中交通管制员能够保持清晰和一致的沟通。这对于确保航班安全和管理复杂的空中交通至关重要。在航空中使用非常高频展示了其在关键应用中的重要性，可靠的通信是至关重要的。非常高频的另一个有趣应用是对讲机，常用于紧急服务，如警察和消防部门。这些对讲机允许单位之间进行即时通信，这在紧急情况下至关重要，因为每一秒都很重要。使用非常高频进行有效通信的能力确保应急人员能够协调他们的工作，并在最需要的地方提供帮助。随着技术的不断进步，非常高频频段的利用正在不断演变。随着数字广播和新通信技术的兴起，人们正在讨论如何最好地利用这一宝贵的频谱。带宽的需求正在增加，找到优化使用非常高频的方法将对电信的未来发展至关重要。总之，术语非常高频涵盖了一系列在现代通信系统中发挥重要作用的无线电频率。从广播到航空和紧急服务，这一频率范围的应用广泛而多样。随着我们向前发展，理解和优化对非常高频的使用将是确保我们的通信系统保持有效和可靠的关键。作为消费者，我们从这一领域的进步中受益，享受更清晰的广播和日常生活中的安全通信。