automatically tuned short-wave transmitter

简明释义

自动调谐短波发射机

英英释义

例句

1.The military uses an automatically tuned short-wave transmitter for secure communications across vast distances.

军方使用自动调谐短波发射器进行跨越广阔距离的安全通讯。

2.In emergency situations, an automatically tuned short-wave transmitter can provide a reliable means of communication.

在紧急情况下，自动调谐短波发射器可以提供可靠的通讯方式。

3.The automatically tuned short-wave transmitter is essential for amateur radio operators who want to reach international stations.

对于希望与国际电台联系的业余无线电爱好者来说，自动调谐短波发射器是必不可少的。

4.The new radio system features an automatically tuned short-wave transmitter, which allows for clearer long-distance communication.

新型广播系统配备了一个自动调谐短波发射器，可以实现更清晰的远程通信。

5.During our expedition, we relied on an automatically tuned short-wave transmitter to stay in touch with the base camp.

在我们的探险中，我们依靠一个自动调谐短波发射器与基地保持联系。

作文

In the world of communication technology, the development of various devices has significantly transformed how we connect with one another. One such remarkable invention is the automatically tuned short-wave transmitter, which plays a crucial role in facilitating long-distance communication, especially in areas where conventional methods may fail. This essay aims to explore the functionality, significance, and applications of the automatically tuned short-wave transmitter in modern communication systems.The basic principle behind an automatically tuned short-wave transmitter lies in its ability to transmit radio waves over long distances using short-wave frequencies. Unlike VHF or UHF frequencies that are limited to line-of-sight communication, short-wave frequencies can reflect off the ionosphere, allowing signals to travel beyond the horizon. This capability makes short-wave transmitters particularly useful for international broadcasting and emergency communication.One of the standout features of the automatically tuned short-wave transmitter is its automatic tuning mechanism. Traditional transmitters often require manual adjustments to select the desired frequency, which can be time-consuming and prone to human error. In contrast, an automatically tuned short-wave transmitter utilizes sophisticated circuitry and algorithms to automatically adjust its frequency based on the received signal. This not only enhances the efficiency of the transmission process but also ensures that the signal remains clear and uninterrupted.The significance of the automatically tuned short-wave transmitter extends beyond its technical capabilities. In regions affected by natural disasters, where conventional communication infrastructures may be damaged, these transmitters can provide a lifeline for communication. For instance, during emergencies, relief organizations can use automatically tuned short-wave transmitters to broadcast vital information, coordinate rescue operations, and ensure that affected populations receive timely updates.Moreover, the automatically tuned short-wave transmitter has found applications in various fields, including maritime communication, aviation, and amateur radio. Sailors rely on short-wave transmitters to communicate with coastal stations when navigating through vast oceans. Similarly, pilots utilize these transmitters for air traffic control and coordination, especially in remote areas where other forms of communication may not be available. Additionally, amateur radio enthusiasts appreciate the versatility and reach of short-wave transmissions, enabling them to connect with fellow operators across the globe.As we look toward the future, the role of the automatically tuned short-wave transmitter is likely to evolve further. With advancements in technology, we can expect enhanced features such as improved signal processing, integration with digital communication systems, and even greater automation. These developments will not only improve the reliability of short-wave communication but also expand its applications in various sectors, including education, research, and public service.In conclusion, the automatically tuned short-wave transmitter represents a significant advancement in communication technology. Its ability to facilitate long-distance communication, coupled with its automatic tuning capabilities, makes it an invaluable tool in both everyday life and emergency situations. As technology continues to progress, the importance and utility of the automatically tuned short-wave transmitter will undoubtedly grow, ensuring that we remain connected, no matter the circumstances.

在通信技术的世界中，各种设备的发展显著改变了我们彼此联系的方式。其中一种显著的发明是自动调谐短波发射机，它在促进远程通信方面发挥着至关重要的作用，尤其是在常规方法可能失效的地区。本文旨在探讨自动调谐短波发射机在现代通信系统中的功能、重要性和应用。自动调谐短波发射机的基本原理在于其利用短波频率在长距离上发送无线电波。与限制在视距通信的VHF或UHF频率不同，短波频率可以反射到电离层，从而使信号超越地平线传播。这种能力使得短波发射机在国际广播和紧急通信中尤为有用。自动调谐短波发射机的一大亮点是其自动调谐机制。传统发射机通常需要手动调整以选择所需的频率，这可能耗时且容易出错。相比之下，自动调谐短波发射机利用复杂的电路和算法根据接收到的信号自动调整其频率。这不仅提高了传输过程的效率，还确保信号保持清晰和不间断。自动调谐短波发射机的重要性超越了其技术能力。在自然灾害影响的地区，常规通信基础设施可能受到损坏，这些发射机可以为通信提供生命线。例如，在紧急情况下，救援组织可以使用自动调谐短波发射机广播重要信息，协调救援行动，并确保受影响的人群及时获得更新。此外，自动调谐短波发射机在海事通信、航空和业余无线电等多个领域找到了应用。水手依靠短波发射机与沿海站点进行通信，以便在广阔的海洋中航行。同样，飞行员利用这些发射机进行空中交通控制和协调，特别是在其他通信方式可能不可用的偏远地区。此外，业余无线电爱好者欣赏短波传输的多功能性和覆盖范围，使他们能够与全球的其他操作员联系。展望未来，自动调谐短波发射机的角色可能会进一步演变。随着技术的进步，我们可以期待增强的功能，例如改进的信号处理、与数字通信系统的集成，甚至更大的自动化。这些发展不仅会提高短波通信的可靠性，还会扩展其在教育、研究和公共服务等各个领域的应用。总之，自动调谐短波发射机代表了通信技术的重要进步。它在促进远程通信方面的能力，加上其自动调谐能力，使其成为日常生活和紧急情况下不可或缺的工具。随着技术的不断进步，自动调谐短波发射机的重要性和实用性无疑会增长，确保我们在任何情况下都能保持联系。