medium high frequency

简明释义

中高频

英英释义

例句

1.Devices operating at medium high frequency 中高频 can penetrate obstacles better than lower frequencies.

工作在中高频 中高频的设备比低频设备更能穿透障碍物。

2.The radio station broadcasts at a medium high frequency 中高频, allowing for clearer sound quality.

该广播电台以中高频 中高频播出，声音质量更清晰。

3.For effective communication in urban areas, we often rely on medium high frequency 中高频 channels.

为了在城市地区有效沟通，我们常常依赖于中高频 中高频频道。

4.The sonar system utilizes medium high frequency 中高频 waves for better detection of underwater objects.

声纳系统利用中高频 中高频波更好地探测水下物体。

5.In telecommunications, signals are often transmitted using medium high frequency 中高频 bands to improve range.

在电信中，信号通常使用中高频 中高频频段传输，以提高范围。

作文

In the realm of communication technology, the term medium high frequency refers to a specific range of frequencies that are utilized for various forms of data transmission. This frequency range typically lies between 300 kHz and 3 MHz. The significance of medium high frequency is evident in its applications across different sectors, including radio broadcasting, maritime communication, and even amateur radio operations.One of the most notable uses of medium high frequency is in AM radio broadcasting. Stations that operate within this frequency band can transmit their signals over considerable distances, making them accessible to a wide audience. This is particularly important for local news, weather updates, and entertainment, as it allows communities to stay informed and connected. Furthermore, the propagation characteristics of medium high frequency allow for effective long-range communication, especially during nighttime when atmospheric conditions are favorable.In addition to broadcasting, medium high frequency is essential in maritime communication. Ships rely on this frequency range to communicate with each other and with coastal stations. The ability to maintain contact over long distances is crucial for navigation, safety, and coordination in busy shipping lanes. The reliability of medium high frequency signals makes them a preferred choice for vessels operating far from shore, where other forms of communication may be less effective.Moreover, amateur radio operators, often referred to as 'hams', frequently utilize medium high frequency bands for their communications. These enthusiasts engage in various activities, from casual conversations to emergency communications during disasters. The versatility of medium high frequency allows hams to connect with others across the globe, fostering a sense of community and collaboration among radio operators.The technical aspects of medium high frequency also warrant consideration. Signals transmitted at these frequencies can reflect off the ionosphere, enabling them to travel beyond the horizon. This phenomenon, known as skywave propagation, is particularly advantageous for long-distance communication. However, it also presents challenges, such as interference and signal fading, which operators must navigate to maintain clear communication.As technology continues to evolve, the relevance of medium high frequency remains strong. While newer technologies like digital communication and satellite systems have emerged, the robustness and simplicity of medium high frequency transmissions ensure they will not be entirely replaced. In fact, many modern systems still incorporate medium high frequency as a reliable backup option, demonstrating its enduring value.In conclusion, understanding the concept of medium high frequency is crucial for anyone involved in communication technologies. Its applications in radio broadcasting, maritime communication, and amateur radio highlight its importance in our interconnected world. As we advance into an era dominated by digital communication, the principles underlying medium high frequency will continue to play a vital role in ensuring effective communication across various platforms. The ability to harness this frequency range effectively can lead to improved connectivity and information dissemination, which are essential in today's fast-paced environment.

在通信技术领域，术语中高频指的是用于各种数据传输形式的特定频率范围。这个频率范围通常介于300 kHz到3 MHz之间。中高频的重要性在于它在广播、海事通信乃至业余无线电操作等不同领域的应用。中高频最显著的用途之一是在调幅广播中。在这个频率范围内运行的电台可以将信号传播到相当远的距离，使其能够被广泛的受众接收。这对于地方新闻、天气更新和娱乐节目尤为重要，因为它使社区能够保持信息畅通和联系。此外，中高频的传播特性使得有效的远程通信成为可能，尤其是在夜间，当大气条件良好时。除了广播之外，中高频在海事通信中也至关重要。船只依赖于这一频率范围与彼此以及沿海站进行通信。保持长距离联系的能力对导航、安全和繁忙航道中的协调至关重要。中高频信号的可靠性使其成为在远离岸边操作的船只的首选，其他通信形式可能效果较差。此外，业余无线电操作员，通常称为“业余爱好者”，经常利用中高频波段进行通信。这些爱好者参与各种活动，从随意对话到在灾难期间的紧急通信。中高频的多样性使得业余爱好者能够与全球其他人建立联系，促进了无线电操作员之间的社区感和合作精神。中高频的技术方面也值得关注。在这些频率上发射的信号可以反射到电离层，使其能够越过地平线进行传播。这种现象被称为天波传播，特别有利于远距离通信。然而，它也带来了干扰和信号衰减等挑战，操作员必须应对这些问题以保持清晰的通信。随着技术的不断发展，中高频的相关性依然强劲。尽管数字通信和卫星系统等新技术已经出现，但中高频传输的稳健性和简单性确保它不会被完全取代。实际上，许多现代系统仍然将中高频作为可靠的备份选项，证明了其持久的价值。总之，理解中高频的概念对于任何参与通信技术的人来说都是至关重要的。它在广播、海事通信和业余无线电中的应用突显了其在我们互联世界中的重要性。随着我们进入一个以数字通信为主导的时代，支撑中高频的原则将继续在确保各平台之间有效通信中发挥重要作用。有效利用这一频率范围的能力可以改善连接性和信息传播，这在当今快节奏的环境中至关重要。