dead reckoning equipment

简明释义

航迹推算器

英英释义

例句

1.Using dead reckoning equipment, the navigator plotted their route on the map.

导航员利用航位推算设备在地图上绘制了他们的航线。

2.The pilot relied on dead reckoning equipment to navigate through the stormy weather.

飞行员依靠航位推算设备在暴风雨天气中导航。

3.Modern aircraft still carry dead reckoning equipment as a backup navigation system.

现代飞机仍然配备航位推算设备作为备用导航系统。

4.The captain checked the dead reckoning equipment before making any course adjustments.

船长在进行任何航向调整之前检查了航位推算设备。

5.In the absence of GPS, sailors often use dead reckoning equipment for accurate positioning.

在没有GPS的情况下，水手们常常使用航位推算设备进行准确定位。

作文

Dead reckoning is a navigational technique used to estimate one's current position by using a previously determined position and accounting for known or estimated speeds over time. In the realm of navigation, especially in maritime and aviation contexts, dead reckoning equipment plays a crucial role. This equipment allows navigators to calculate their position without relying on external references such as landmarks or celestial bodies. The term 'dead reckoning' itself originates from the phrase 'deduced reckoning', indicating that it is a method based on deduction rather than observation.The importance of dead reckoning equipment cannot be overstated, particularly in situations where visibility is limited or when navigating through remote areas. For instance, during foggy conditions at sea, sailors often rely on this equipment to maintain their course. Similarly, pilots flying in clouds or at night utilize dead reckoning equipment to ensure they stay on track. This equipment typically includes devices such as compasses, speed logs, and chronometers, which help in calculating distance traveled over time.One of the primary advantages of dead reckoning equipment is its ability to function independently of external factors. Unlike GPS systems, which can be affected by signal loss or interference, dead reckoning equipment enables navigators to continue their journey with confidence. However, it is essential to note that this method is not foolproof. Errors can accumulate over time due to inaccuracies in speed estimation or course changes, leading to potential navigational mistakes.To illustrate the practical application of dead reckoning equipment, consider a scenario involving a ship sailing across the ocean. The captain starts with a known position and records the ship's speed and direction. As the journey progresses, the captain uses dead reckoning equipment to update the ship's estimated position at regular intervals. If the ship encounters a storm and loses sight of navigational aids, the captain can still rely on the calculations made using dead reckoning equipment to guide the vessel safely.In recent years, advancements in technology have led to the integration of traditional dead reckoning equipment with modern systems. For example, inertial navigation systems (INS) combine dead reckoning equipment with gyroscopes and accelerometers to provide more accurate positioning data. These innovations have made navigation safer and more reliable, even in challenging environments.In conclusion, dead reckoning equipment remains a fundamental aspect of navigation, providing essential tools for determining position when external references are unavailable. While modern technology has enhanced navigational accuracy, the principles behind dead reckoning equipment continue to be relevant today. Understanding and mastering these concepts is vital for anyone involved in navigation, whether on land, sea, or air. As we move forward, the combination of traditional techniques and cutting-edge technology will undoubtedly shape the future of navigation, ensuring that we can traverse the world's vast landscapes with confidence and precision.

推算导航是一种通过使用先前确定的位置并考虑已知或估计的速度来估算当前位置的导航技术。在航海和航空等导航领域中，推算设备发挥着至关重要的作用。这些设备使导航员能够在不依赖于地标或天体等外部参考的情况下计算他们的位置。术语“推算”本身源于“推导推算”这一短语，表明这是一种基于推理而非观察的方法。推算设备的重要性不容小觑，尤其是在能见度有限或在偏远地区导航的情况下。例如，在海上雾霭弥漫的条件下，船员通常依靠该设备保持航向。同样，在云层中或夜间飞行的飞行员利用推算设备确保他们保持在正确的航道上。这些设备通常包括指南针、速度计和计时器，有助于计算经过时间的行驶距离。推算设备的主要优点之一是它能够独立于外部因素运行。与可能受到信号丢失或干扰影响的GPS系统不同，推算设备使导航员能够自信地继续他们的旅程。然而，需要注意的是，这种方法并不是万无一失的。由于速度估计或航向变化中的不准确性，误差可能会随着时间的推移而累积，导致潜在的导航错误。为了说明推算设备的实际应用，考虑一个涉及船只穿越海洋的场景。船长从已知位置开始，并记录船只的速度和方向。随着旅程的进行，船长定期使用推算设备更新船只的估计位置。如果船只遇到风暴并失去导航辅助，船长仍然可以依赖使用推算设备所做的计算安全引导船只。近年来，技术的进步使传统的推算设备与现代系统相结合。例如，惯性导航系统（INS）将推算设备与陀螺仪和加速度计结合在一起，以提供更准确的定位数据。这些创新使得在挑战性环境中的导航更加安全可靠。总之，推算设备仍然是导航的基本组成部分，为在外部参考不可用时确定位置提供了必要的工具。尽管现代技术提高了导航的准确性，但推算设备背后的原则在今天仍然具有相关性。理解和掌握这些概念对于任何参与导航的人来说都是至关重要的，无论是在陆地、海洋还是空中。随着我们向前迈进，传统技术与尖端技术的结合无疑将塑造导航的未来，确保我们能够自信而精确地穿越世界的广阔景观。