automatically tuned short-wave receiver

简明释义

自动调谐短波接收机

英英释义

例句

1.The new model of the radio features an automatically tuned short-wave receiver for better signal clarity.

这款新型号的收音机配备了一个自动调谐短波接收器，以获得更好的信号清晰度。

2.Travelers often rely on an automatically tuned short-wave receiver to catch news from home while abroad.

旅行者通常依靠自动调谐短波接收器在国外收听来自家乡的新闻。

3.The automatically tuned short-wave receiver allows users to easily switch between frequencies without manual tuning.

这个自动调谐短波接收器允许用户轻松切换频率，无需手动调谐。

4.I bought an automatically tuned short-wave receiver for my camping trip to enjoy music and news.

我为我的露营旅行买了一个自动调谐短波接收器，以享受音乐和新闻。

5.During the storm, we used an automatically tuned short-wave receiver to listen to emergency broadcasts.

在暴风雨中，我们使用了一个自动调谐短波接收器来收听紧急广播。

作文

In the realm of radio communication, the advancement of technology has led to the development of various devices that enhance our ability to receive signals from afar. One such device is the automatically tuned short-wave receiver, which plays a crucial role in both amateur and professional radio operations. This device is designed to automatically adjust its tuning parameters to optimize reception of short-wave signals, making it an essential tool for anyone interested in exploring the vast world of radio frequencies.The automatically tuned short-wave receiver operates by scanning through different frequencies and selecting the best signal available. This automatic tuning feature saves time and effort for the user, as manual tuning can be tedious and requires a certain level of expertise. With just a push of a button, users can listen to broadcasts from around the globe, including news, music, and cultural programs, all transmitted over short-wave frequencies.One of the primary advantages of using an automatically tuned short-wave receiver is its ability to receive signals from long distances. Short-wave radio waves can travel thousands of miles, especially at night when atmospheric conditions are favorable. This means that listeners can access international broadcasts that would otherwise be unavailable through local FM or AM stations. For example, during times of political unrest or natural disasters, the automatically tuned short-wave receiver can provide vital information and updates from various sources, helping individuals stay informed.Furthermore, the automatically tuned short-wave receiver is not limited to just one type of broadcast. It can pick up a wide range of signals, including amateur radio transmissions, maritime communications, and even aeronautical information. This versatility makes it a popular choice among hobbyists who enjoy exploring different aspects of radio communication. Many enthusiasts take pride in their ability to tune into rare signals or make contact with operators in distant countries, thus fostering a sense of global community.In addition to its practical applications, the automatically tuned short-wave receiver also serves as a fascinating educational tool. It allows users to learn about radio waves, propagation, and the science behind communication technologies. By experimenting with different settings and frequencies, users can gain a deeper understanding of how radio works and the factors that influence signal quality. This hands-on experience can inspire future generations to pursue careers in engineering, telecommunications, or other related fields.However, like any technology, the automatically tuned short-wave receiver comes with its challenges. The quality of reception can be affected by various factors, including interference from other electronic devices, atmospheric conditions, and geographical location. Users may need to experiment with different antennas or locations to achieve optimal performance. Despite these challenges, the rewards of using this device far outweigh the drawbacks.In conclusion, the automatically tuned short-wave receiver is a remarkable innovation that has transformed the way we access information and connect with the world. Its ability to automatically tune into various frequencies makes it an invaluable tool for both casual listeners and serious radio operators. As technology continues to evolve, we can only anticipate further advancements in radio communication devices, but the fundamental appeal of the automatically tuned short-wave receiver will likely endure, allowing us to explore the airwaves for years to come.

在无线电通信领域，技术的进步导致了多种设备的发展，这些设备增强了我们接收远处信号的能力。其中一种设备是自动调谐短波接收机，它在业余和专业无线电操作中发挥着至关重要的作用。该设备旨在自动调整其调谐参数，以优化短波信号的接收，使其成为任何希望探索广阔无线电频率世界的人的基本工具。自动调谐短波接收机通过扫描不同的频率并选择最佳可用信号来运行。这种自动调谐功能为用户节省了时间和精力，因为手动调谐可能会很繁琐，并且需要一定程度的专业知识。只需按下一个按钮，用户就可以收听来自世界各地的广播，包括新闻、音乐和文化节目，所有这些都是通过短波频率传输的。使用自动调谐短波接收机的主要优点之一是其接收远距离信号的能力。短波无线电波可以传播数千英里，尤其是在夜间，当大气条件有利时。这意味着听众可以访问国际广播，否则通过本地FM或AM电台将无法获得。例如，在政治动荡或自然灾害期间，自动调谐短波接收机可以提供来自各种来源的重要信息和更新，帮助个人保持信息灵通。此外，自动调谐短波接收机不仅限于一种类型的广播。它可以接收各种信号，包括业余无线电传输、海上通信，甚至航空信息。这种多功能性使其成为爱好者的热门选择，他们喜欢探索无线电通信的不同方面。许多爱好者以能够调入稀有信号或与遥远国家的操作员联系而感到自豪，从而促进了一种全球社区感。除了实用应用外，自动调谐短波接收机还作为一种迷人的教育工具。它使用户能够了解无线电波、传播以及通信技术背后的科学。通过实验不同的设置和频率，用户可以更深入地理解无线电的工作原理以及影响信号质量的因素。这种实践经验可以激励未来几代人追求工程、电信或其他相关领域的职业。然而，像任何技术一样，自动调谐短波接收机也面临着挑战。接收质量可能受到各种因素的影响，包括其他电子设备的干扰、大气条件和地理位置。用户可能需要尝试不同的天线或位置以实现最佳性能。尽管存在这些挑战，但使用该设备的回报远远超过了缺点。总之，自动调谐短波接收机是一项非凡的创新，改变了我们获取信息和与世界连接的方式。其自动调谐各种频率的能力使其成为休闲听众和严肃无线电操作员都不可或缺的工具。随着技术的不断发展，我们只能期待无线电通信设备的进一步进步，但自动调谐短波接收机的基本吸引力可能会持续下去，让我们在未来的岁月中探索无线电波。