high frequency carrier telegraphy

简明释义

高频载波电报

英英释义

High frequency carrier telegraphy refers to a method of transmitting telegraphic messages using high frequency radio waves as the carrier signal.

高频载波电报是指一种使用高频无线电波作为载波信号来传输电报消息的方法。

例句

1.The use of high frequency carrier telegraphy has revolutionized long-distance communication.

使用高频载波电报技术彻底改变了远程通信。

2.The military relies on high frequency carrier telegraphy for secure transmissions in remote areas.

军方依赖高频载波电报技术在偏远地区进行安全传输。

3.In maritime operations, high frequency carrier telegraphy is essential for reliable ship-to-shore communication.

在海洋作业中,高频载波电报技术对于可靠的船舶与岸基通信至关重要。

4.Engineers are developing new systems that utilize high frequency carrier telegraphy to enhance data transfer rates.

工程师正在开发利用高频载波电报技术来提高数据传输速率的新系统。

5.During the conference, experts discussed the advancements in high frequency carrier telegraphy technology.

在会议期间,专家们讨论了高频载波电报技术的进展。

作文

The evolution of communication technology has been a remarkable journey, marked by significant milestones that have shaped how we connect with one another. One such milestone is the advent of high frequency carrier telegraphy, a technique that revolutionized long-distance communication in the early 20th century. Understanding this technology requires us to delve into its principles and applications, as well as its impact on modern communication systems.At its core, high frequency carrier telegraphy involves the transmission of telegraphic messages over radio waves using high-frequency signals. This method allows for the efficient sending of information over vast distances, overcoming the limitations of traditional wired telegraph systems. The concept of using a carrier wave to transmit information dates back to the late 19th century, but it was not until the development of more advanced radio technologies that high frequency carrier telegraphy became widely adopted.One of the key advantages of high frequency carrier telegraphy is its ability to utilize the ionosphere for long-range communication. The ionosphere is a layer of the Earth's atmosphere that reflects radio waves, enabling signals to travel beyond the horizon. This phenomenon allows operators to send messages across continents without the need for physical connections, making it an invaluable tool for maritime and military communication.In practical terms, high frequency carrier telegraphy operates by modulating a high-frequency carrier wave with the telegraphic message. This modulation process encodes the information onto the carrier wave, which is then transmitted through the air. At the receiving end, a demodulator extracts the original message from the carrier wave, allowing it to be deciphered by the operator. This process is not only efficient but also enables multiple messages to be sent simultaneously over the same frequency, a technique known as multiplexing.The significance of high frequency carrier telegraphy extends beyond its technical aspects; it played a crucial role in enhancing global communication networks. During World War II, for instance, this technology was instrumental in facilitating secure and reliable communications between Allied forces. Its ability to transmit messages quickly and over long distances made it a vital asset in wartime operations.As technology continued to advance, the principles of high frequency carrier telegraphy laid the groundwork for future innovations in communication. The development of digital communication systems and satellite technology can trace their roots back to the foundational concepts established by early telegraphy methods. Today, while we rely heavily on the internet and mobile communication, the legacy of high frequency carrier telegraphy remains evident in the way we transmit data wirelessly.In conclusion, high frequency carrier telegraphy represents a pivotal advancement in the history of communication technology. Its ability to transmit messages over long distances without physical connections transformed how we interact and share information. As we continue to explore new frontiers in communication, it is essential to recognize the contributions of past technologies like high frequency carrier telegraphy, which have paved the way for the interconnected world we live in today.

通信技术的发展历程是一段非凡的旅程,其间有许多重要的里程碑塑造了我们彼此连接的方式。其中一个里程碑就是高频载波电报的出现,这一技术在20世纪初彻底改变了远程通信。理解这一技术需要我们深入探讨其原理和应用,以及它对现代通信系统的影响。高频载波电报的核心是通过无线电波使用高频信号传输电报消息。这种方法允许有效地在广阔的距离上传送信息,克服了传统有线电报系统的局限性。使用载波波来传输信息的概念可以追溯到19世纪末,但直到更先进的无线电技术的发展,高频载波电报才被广泛采用。高频载波电报的一个主要优点是能够利用电离层进行长距离通信。电离层是地球大气层的一部分,可以反射无线电波,使信号超越视距传播。这一现象使操作员能够无需物理连接即可跨越大陆发送消息,使其成为海上和军事通信的宝贵工具。在实际应用中,高频载波电报通过调制高频载波来传输电报消息。这个调制过程将信息编码到载波上,然后通过空气传输。在接收端,解调器从载波中提取原始消息,使操作员能够解读。这一过程不仅高效,还允许在同一频率上同时发送多个消息,这种技术称为多路复用。高频载波电报的重要性不仅体现在其技术方面;它在增强全球通信网络方面发挥了关键作用。例如,在第二次世界大战期间,这项技术在促进盟军之间安全可靠的通信方面至关重要。其快速且长距离传输消息的能力使其成为战争行动中的重要资产。随着技术的不断进步,高频载波电报的原理为未来通信创新奠定了基础。数字通信系统和卫星技术的发展可以追溯到早期电报方法建立的基础概念。今天,虽然我们在很大程度上依赖互联网和移动通信,但高频载波电报的遗产仍然在我们无线传输数据的方式中显而易见。总之,高频载波电报代表了通信技术历史上的一项重要进展。它在没有物理连接的情况下远距离传输消息的能力改变了我们互动和分享信息的方式。当我们继续探索通信的新前沿时,必须认识到像高频载波电报这样的过去技术的贡献,它们为我们今天所生活的互联世界铺平了道路。

相关单词

frequency

frequency详解:怎么读、什么意思、用法