Decca system

简明释义

台卡导航系统

英英释义

例句

1.The ship navigated using the Decca system, which provided accurate positioning data.

这艘船使用Decca系统进行导航，提供了准确的位置数据。

2.The Decca system is often compared to GPS, but it was widely used before the advent of satellite technology.

Decca系统常常与GPS进行比较，但在卫星技术出现之前，它已被广泛使用。

3.Many fishing boats rely on the Decca system for locating their fishing grounds.

许多渔船依赖Decca系统来定位它们的捕鱼区域。

4.During the training, we learned how to use the Decca system for precise navigation.

在培训期间，我们学习了如何使用Decca系统进行精确导航。

5.The Decca system has been instrumental in improving maritime safety.

Decca系统在提高海上安全方面发挥了重要作用。

作文

The Decca system is a navigational technique that has significantly influenced marine navigation since its inception in the 1940s. This system uses a network of fixed radio beacons to provide accurate positioning information to ships at sea. The Decca system operates by measuring the time it takes for radio signals to travel from these beacons to a receiver on the ship. By comparing the time differences between signals from multiple beacons, the system can triangulate the ship's position with remarkable precision.One of the most notable advantages of the Decca system is its ability to deliver reliable positional data even in challenging conditions, such as fog or heavy rain, where visual navigation becomes difficult. Before the advent of satellite navigation systems, the Decca system was widely used by mariners and was considered one of the most effective means of navigation available.The technology behind the Decca system involves the use of phase comparison techniques. Each beacon transmits signals at a specific frequency, and the receiver on the ship captures these signals. By analyzing the phase differences between the signals received from different beacons, the system can accurately determine the ship's location. This method allows for a high degree of accuracy, often within a few meters, making it an invaluable tool for maritime operations.As technology evolved, the Decca system gradually began to lose its prominence with the introduction of Global Positioning System (GPS) technology. GPS offers global coverage and is more user-friendly, leading to a decline in the use of the Decca system. However, the principles of triangulation and signal processing that were pioneered by the Decca system laid the groundwork for modern navigation systems.Despite its decline in usage, the Decca system remains a significant part of maritime history. It represents a critical step in the evolution of navigational technology, showcasing how innovations in radio technology can enhance safety and efficiency at sea. Many sailors and navigators still remember the Decca system fondly as a reliable companion during their voyages.In conclusion, while the Decca system may no longer be at the forefront of navigation technology, its legacy endures. It serves as a reminder of the ingenuity and resourcefulness of those who sought to improve maritime navigation. Understanding the Decca system is essential for appreciating the advancements in navigation that have followed and for recognizing the importance of accurate positioning in ensuring safe and efficient maritime travel.

“Decca system”是一种导航技术，自20世纪40年代问世以来，对海洋导航产生了显著影响。该系统利用固定的无线电信标网络，为海上的船只提供准确的位置定位信息。“Decca system”的工作原理是测量无线电信号从这些信标传播到船上接收器所需的时间。通过比较来自多个信标的信号之间的时间差，系统可以以惊人的精度三角测量出船只的位置。“Decca system”最显著的优势之一是能够在挑战性条件下（如雾或大雨）提供可靠的位置数据，而在这些情况下，视觉导航变得困难。在卫星导航系统出现之前，“Decca system”被海员广泛使用，并被认为是可用的最有效的导航手段之一。“Decca system”背后的技术涉及相位比较技术的使用。每个信标以特定频率发送信号，船上的接收器捕获这些信号。通过分析从不同信标接收到的信号之间的相位差，系统可以准确确定船只的位置。这种方法允许高精度定位，通常在几米以内，使其成为海洋作业中不可或缺的工具。随着技术的发展，“Decca system”逐渐开始失去其重要性，因为全球定位系统（GPS）技术的引入。GPS提供全球覆盖，并且更易于使用，导致“Decca system”的使用减少。然而，“Decca system”所开创的三角测量和信号处理原理为现代导航系统奠定了基础。尽管使用率下降，“Decca system”仍然是海洋历史的重要组成部分。它代表了导航技术演变中的一个关键步骤，展示了无线电技术创新如何增强海洋安全和效率。许多水手和导航员仍然怀念“Decca system”作为他们航行中的可靠伙伴。总之，尽管“Decca system”可能不再处于导航技术的前沿，但它的遗产依然存在。它提醒我们那些寻求改善海洋导航的人的聪明才智和创造力。理解“Decca system”对于欣赏随之而来的导航进步至关重要，也让我们认识到准确定位在确保安全和高效的海洋旅行中的重要性。