dead reckoning position

简明释义

积算船位

英英释义

A method of estimating one's current position based on a previously determined position, accounting for speed, time, and direction of travel without using external references.

一种基于先前确定的位置,通过考虑速度、时间和行进方向来估算当前位置的方法,而不依赖外部参考。

例句

1.Using the dead reckoning position, the captain navigated through the fog without visual landmarks.

船长利用推算位置在没有视觉地标的情况下穿过浓雾。

2.The pilot checked the dead reckoning position to ensure they were on the correct flight path.

飞行员检查了推算位置以确保他们在正确的航线上。

3.In the absence of GPS, sailors often rely on their dead reckoning position to find their way.

在没有GPS的情况下,水手们常常依赖他们的推算位置来找到方向。

4.The navigator calculated the dead reckoning position based on speed and time traveled.

导航员根据速度和行驶时间计算了推算位置

5.When the radar failed, the crew reverted to using the dead reckoning position for navigation.

当雷达失灵时,船员们恢复使用推算位置进行导航。

作文

In the world of navigation, the term dead reckoning position refers to a method used to estimate one's current location based on a previously determined position. This technique is essential for sailors, pilots, and even hikers who venture into areas where GPS signals may be weak or unavailable. The concept of dead reckoning position has been utilized for centuries, dating back to ancient mariners who relied on their knowledge of wind, current, and time to navigate the seas. To understand how dead reckoning position works, it is important to consider its components. First, navigators start with a known position, which can be determined through various means such as celestial navigation, landmarks, or modern technology like GPS. From this point, they calculate their course and speed over time. By maintaining a log of their movements, they can project their current position based on the data collected. For example, if a sailor departs from a harbor at a known latitude and longitude and sails north at a speed of five knots for two hours, they can calculate their new position by adding the distance traveled in that direction to their original coordinates. This calculation is crucial for ensuring safe passage and avoiding hazards. However, it is important to note that dead reckoning position is not always perfectly accurate. Factors such as wind, currents, and human error can lead to discrepancies in the estimated position. Despite its limitations, dead reckoning position remains a valuable tool in navigation. It serves as a backup method when electronic systems fail or when navigating in remote areas. Additionally, it encourages navigators to develop a deeper understanding of their environment and enhances their skills in traditional navigation techniques. The importance of dead reckoning position extends beyond maritime and aerial navigation. It is also relevant in fields such as robotics and autonomous vehicles, where understanding relative positioning is critical for movement and decision-making. Engineers and developers often incorporate dead reckoning algorithms into the systems of these machines to allow them to function effectively in real-world scenarios. In conclusion, the concept of dead reckoning position is integral to navigation across various domains. It emphasizes the significance of understanding one’s position relative to the environment and highlights the balance between traditional methods and modern technology. As we continue to advance in navigation technologies, the principles of dead reckoning position will likely remain a foundational element for those who seek to explore and traverse the unknown terrains of our world.

在导航的世界中,术语死算位置指的是一种基于先前确定的位置来估算当前所在位置的方法。这种技术对于航海者、飞行员甚至徒步旅行者来说至关重要,他们在GPS信号可能较弱或不可用的区域冒险。死算位置的概念已经被使用了几个世纪,可以追溯到古代海员,他们依靠对风、潮流和时间的知识来导航海洋。要理解死算位置的工作原理,重要的是要考虑其组成部分。首先,导航员从一个已知的位置开始,这可以通过各种方式确定,例如天文导航、地标或现代技术如GPS。从这一点出发,他们计算自己的航向和速度。通过保持运动日志,他们可以根据收集的数据推测当前位置。例如,如果一名水手从一个港口出发,在已知的纬度和经度上向北航行,以每小时五节的速度航行两个小时,他们可以通过将在该方向上行驶的距离添加到原始坐标中来计算他们的新位置。这项计算对于确保安全通行和避免危险至关重要。然而,需要注意的是,死算位置并不总是完全准确。风、潮流和人为错误等因素可能导致估算位置的差异。尽管存在局限性,死算位置仍然是一种有价值的导航工具。当电子系统故障或在偏远地区导航时,它作为一种备用方法。此外,它鼓励导航员更深入地理解他们的环境,并增强他们在传统导航技术方面的技能。死算位置的重要性不仅限于海洋和航空导航。它在机器人技术和自主车辆等领域也具有相关性,在这些领域中,理解相对位置对于运动和决策至关重要。工程师和开发人员通常会将死算算法纳入这些机器的系统中,以使它们能够有效地在现实场景中运行。总之,死算位置的概念在各个领域的导航中都是不可或缺的。它强调了理解个人相对于环境的位置的重要性,并突显了传统方法与现代技术之间的平衡。随着我们在导航技术上的不断进步,死算位置的原则可能会继续作为那些希望探索和穿越我们世界未知领域的人的基础元素。

相关单词

reckoning

reckoning详解:怎么读、什么意思、用法