carrier current telegraphy

简明释义

载波电抱

英英释义

例句

1.The installation of carrier current telegraphy 载波电流电报技术 systems improved communication reliability in urban areas.

安装载波电流电报技术 carrier current telegraphy 系统提高了城市地区的通信可靠性。

2.The railway company used carrier current telegraphy 载波电流电报技术 to communicate signals along the tracks.

铁路公司使用载波电流电报技术 carrier current telegraphy 在轨道上进行信号通信。

3.Engineers studied carrier current telegraphy 载波电流电报技术 to enhance signal clarity over power lines.

工程师研究载波电流电报技术 carrier current telegraphy 以增强电力线上的信号清晰度。

4.In the early 20th century, carrier current telegraphy 载波电流电报技术 was essential for long-distance communication.

在20世纪初，载波电流电报技术 carrier current telegraphy 对于长途通信至关重要。

5.Many industries relied on carrier current telegraphy 载波电流电报技术 for efficient data transmission.

许多行业依赖于载波电流电报技术 carrier current telegraphy 进行高效的数据传输。

作文

The evolution of communication technology has been a fascinating journey, with various methods emerging to facilitate the exchange of information. One of the lesser-known yet significant advancements in this field is carrier current telegraphy. This method utilizes the electrical currents that flow through power lines to transmit telegraphic signals, effectively allowing for communication over long distances without the need for dedicated telegraph wires. Understanding carrier current telegraphy requires an appreciation of both its historical context and its practical applications.Historically, carrier current telegraphy began to gain traction in the late 19th century, during a time when the demand for efficient communication was rising rapidly. As cities expanded and industries grew, the need for reliable messaging systems became paramount. Traditional telegraphy relied on a network of wires, which was not only expensive to install but also challenging to maintain. In contrast, carrier current telegraphy offered a solution by using existing electrical infrastructure, thus reducing costs and increasing accessibility.The principle behind carrier current telegraphy is relatively straightforward. It involves superimposing a modulated signal onto a carrier wave, which is then transmitted through the electrical current in power lines. At the receiving end, the signal can be demodulated to retrieve the original message. This method allows multiple messages to be sent simultaneously over the same power line, a concept known as multiplexing. Such efficiency was revolutionary at the time and paved the way for modern communication techniques.One of the most notable advantages of carrier current telegraphy is its ability to operate over long distances without significant loss of signal quality. This is particularly important in rural areas where laying new telegraph lines would be impractical. Additionally, because it leverages existing power infrastructure, carrier current telegraphy can be implemented more quickly than traditional telegraph systems. This made it an attractive option for businesses and government agencies that required timely communication.Despite its benefits, carrier current telegraphy faced challenges as technology advanced. The rise of radio communication in the early 20th century began to overshadow this method. Radio waves could travel further and did not require physical wires, making them more versatile. However, carrier current telegraphy found its niche in specific applications, such as in railway signaling and in some industrial contexts where power lines were already in place.In contemporary times, while carrier current telegraphy may not be as prevalent as it once was, its principles are still relevant. Modern technologies, including broadband internet and smart grid systems, utilize similar concepts of transmitting data over existing electrical infrastructure. This demonstrates the lasting impact of carrier current telegraphy on today’s communication landscape.In conclusion, carrier current telegraphy represents a pivotal moment in the history of communication technology. By ingeniously utilizing existing power lines for telegraphic communication, it not only reduced costs but also expanded the reach of messaging systems. While it may have been eclipsed by newer technologies, the fundamental principles of carrier current telegraphy continue to influence modern communication methods. Understanding this technique provides valuable insights into the evolution of how we connect with one another across distances, showcasing the innovative spirit that drives technological advancement.

通信技术的发展历程是一段引人入胜的旅程，各种方法不断涌现，以促进信息的交流。其中一个鲜为人知但意义重大的进展是载波电流电报。这种方法利用流经电力线的电流来传输电报信号，从而有效地实现了远距离的通信，而无需专用的电报线路。理解载波电流电报需要对其历史背景及实际应用有一定的了解。历史上，载波电流电报在19世纪末开始获得关注，那时对高效通信的需求迅速上升。随着城市的扩张和工业的发展，可靠的信息传递系统的需求变得至关重要。传统的电报依赖于一张电线网络，这不仅安装费用昂贵，而且维护起来也颇具挑战性。相比之下，载波电流电报提供了一种解决方案，通过利用现有的电力基础设施，从而降低了成本并提高了可达性。载波电流电报的原理相对简单。它涉及将调制信号叠加到载波波形上，然后通过电力线中的电流进行传输。在接收端，可以对信号进行解调以检索原始消息。这种方法允许在同一条电力线上同时发送多个消息，这一概念被称为多路复用。这种高效性在当时具有革命性，并为现代通信技术铺平了道路。载波电流电报的一个显著优点是能够在长距离内操作而不会显著损失信号质量。这在农村地区尤为重要，因为铺设新的电报线路是不切实际的。此外，由于它利用现有的电力基础设施，载波电流电报可以比传统电报系统更快地实施。这使其成为企业和政府机构的一个有吸引力的选择，这些机构需要及时的通信。尽管有其优势，载波电流电报在技术进步的过程中也面临着挑战。20世纪初，无线通信的兴起开始使这种方法黯然失色。无线电波能够传播得更远，并且不需要物理电线，使其更加灵活。然而，载波电流电报在特定应用中找到了自己的定位，例如铁路信号和某些工业环境中，那里已经存在电力线。在当代，虽然载波电流电报可能不再像以前那样普遍，但其原理仍然相关。现代技术，包括宽带互联网和智能电网系统，利用类似的概念，通过现有的电力基础设施传输数据。这展示了载波电流电报对当今通信格局的持久影响。总之，载波电流电报代表了通信技术历史上的一个重要时刻。通过巧妙地利用现有的电力线进行电报通信，它不仅降低了成本，还扩大了消息系统的覆盖范围。虽然它可能已被更新技术所掩盖，但载波电流电报的基本原理继续影响现代通信方法。理解这一技术为我们提供了对跨距离连接演变的宝贵见解，展示了推动技术进步的创新精神。