Decca navigator

简明释义

台卡导航仪

英英释义

A Decca navigator is a type of radio navigation system that uses signals from fixed ground stations to determine the position of a vessel or aircraft.

德卡导航仪是一种无线电导航系统,使用来自固定地面站的信号来确定船只或飞机的位置。

例句

1.Using a Decca navigator made it easier for the fishermen to locate the best fishing spots.

使用Decca navigator使渔民更容易找到最佳捕鱼地点。

2.During the race, the yacht's captain consulted the Decca navigator frequently to ensure they were on track.

在比赛期间,游艇的船长频繁咨询Decca navigator以确保他们的航向正确。

3.The ship's crew relied on the Decca navigator to plot their course through the treacherous waters.

船员依赖于Decca navigator来规划他们穿越危险水域的航线。

4.The Decca navigator was essential for the expedition team as they traveled through uncharted territories.

对于探险队来说,Decca navigator在他们穿越未知领域时至关重要。

5.With the help of a Decca navigator, we were able to avoid dangerous reefs while sailing.

Decca navigator的帮助下,我们能够在航行时避免危险的暗礁。

作文

The development of navigation technology has significantly transformed the way we explore and travel across the globe. One of the most notable advancements in this field is the invention of the Decca navigator, a system that revolutionized maritime navigation in the mid-20th century. The Decca navigator was initially developed for naval use during World War II, providing accurate positioning information to ships at sea. This technology utilized a network of fixed radio beacons that transmitted signals to vessels equipped with a Decca navigator receiver, allowing them to determine their position with remarkable precision.Before the advent of the Decca navigator, sailors relied on traditional methods such as celestial navigation, which involved using the stars and the sun to guide their journeys. While these methods were effective, they required extensive training and experience, and were often subject to errors caused by weather conditions or miscalculations. The introduction of the Decca navigator marked a significant improvement in navigational accuracy, enabling vessels to navigate through challenging waters with confidence.The Decca navigator operated on the principle of hyperbolic navigation. By measuring the difference in time it took for signals from multiple radio beacons to reach a ship, navigators could calculate their precise location. This method was particularly advantageous because it did not require direct line-of-sight between the ship and the beacons, making it possible to navigate in areas where other systems would fail.As the technology evolved, the Decca navigator became widely adopted not only by military vessels but also by commercial shipping companies. The ability to pinpoint a ship's location within a few hundred meters made it an invaluable tool for ensuring safe passage through busy ports and treacherous waters. Furthermore, the Decca navigator played a crucial role in the expansion of global trade, as it allowed for more efficient routing of cargo ships, ultimately reducing transit times and costs.Despite its success, the Decca navigator faced competition from emerging technologies. The introduction of the Global Positioning System (GPS) in the late 20th century offered even greater accuracy and ease of use. GPS technology relies on a constellation of satellites orbiting the Earth, providing real-time positioning information to users around the world. As a result, the Decca navigator gradually became obsolete, replaced by more advanced systems that offered enhanced capabilities and reliability.In conclusion, the Decca navigator represents a pivotal moment in the history of navigation technology. Its innovative approach to determining position at sea paved the way for modern navigational systems and has left a lasting legacy in the maritime industry. While it may no longer be in widespread use, the principles behind the Decca navigator continue to influence the development of navigation technologies today. As we look to the future, it is essential to recognize the contributions of past innovations like the Decca navigator in shaping the way we navigate our world.

导航技术的发展显著改变了我们探索和旅行的方式。其中一个最显著的进步是Decca导航仪的发明,它在20世纪中期彻底改变了海洋导航。Decca导航仪最初是在第二次世界大战期间为海军使用而开发的,为海上的船只提供准确的位置指示。这项技术利用一组固定的无线电信标网络,向装备有Decca导航仪接收器的船只发送信号,使它们能够以惊人的精确度确定自己的位置。在Decca导航仪问世之前,水手们依赖传统方法,如天文导航,这涉及使用星星和太阳来引导他们的航程。虽然这些方法有效,但需要广泛的训练和经验,并且常常受到天气条件或计算错误的影响。Decca导航仪的引入标志着导航精度的显著提高,使船只能够自信地穿越复杂的水域。Decca导航仪基于超曲线导航原理运作。通过测量多座无线电信标信号到达船只所需的时间差,导航员可以计算出他们的精确位置。这种方法特别有利,因为它不需要船只与信标之间的直接视线,使得在其他系统失效的区域进行导航成为可能。随着技术的发展,Decca导航仪不仅被军事舰艇广泛采用,还被商业航运公司所使用。能够在几百米内精确定位船只使其成为确保安全通过繁忙港口和危险水域的重要工具。此外,Decca导航仪在全球贸易扩展中发挥了至关重要的作用,因为它允许更高效的货船航线规划,最终减少了运输时间和成本。尽管取得了成功,Decca导航仪面临着新兴技术的竞争。20世纪末全球定位系统(GPS)的引入提供了更高的准确性和易用性。GPS技术依赖于环绕地球运行的卫星星座,为全球用户提供实时定位信息。因此,Decca导航仪逐渐变得过时,被更先进的系统所取代,这些系统提供了增强的能力和可靠性。总之,Decca导航仪代表了导航技术历史上的一个重要时刻。它创新的海上定位方法为现代导航系统铺平了道路,并在海事行业留下了持久的遗产。尽管它可能不再广泛使用,但Decca导航仪背后的原则仍然继续影响着今天导航技术的发展。展望未来,认识到像Decca导航仪这样的过去创新对塑造我们导航世界的贡献是至关重要的。

相关单词

navigator

navigator详解:怎么读、什么意思、用法