astronavigation

简明释义

英[ˈæstrəʊˌnævɪˈɡeɪʃən]美[ˌæstroˌnævɪˈɡeʃən]

n. 太空航行；[航] 天文导航

英英释义

单词用法

同义词

反义词

例句

1.Using astronavigation theory, the algorithm of calibrating the constant gyro drifts of ESG strapdown inertial navigation system and carrier heading is presented in this paper.

本文应用天文导航理论，根据GPS提供的位置信息，对静电陀螺捷联导航系统陀螺常值漂移和载体航向角进行校正的算法进行了研究。

2.Using astronavigation theory, the algorithm of calibrating the constant gyro drifts of ESG strapdown inertial navigation system and carrier heading is presented in this paper.

本文应用天文导航理论，根据GPS提供的位置信息，对静电陀螺捷联导航系统陀螺常值漂移和载体航向角进行校正的算法进行了研究。

3.The study of astronavigation has evolved with the advent of GPS technology.

随着GPS技术的出现，天文导航的研究已经发展。

4.Modern spacecraft use advanced astronavigation techniques to accurately position themselves in orbit.

现代航天器使用先进的天文导航技术来准确地定位自己在轨道上。

5.The ancient sailors relied heavily on astronavigation to find their way across the vast oceans.

古代水手在广阔的海洋中依赖于天文导航来找到他们的航路。

6.During the training, pilots learned about astronavigation and its importance in aviation.

在培训期间，飞行员学习了天文导航及其在航空中的重要性。

7.In the absence of modern tools, sailors had to master astronavigation to ensure safe voyages.

在没有现代工具的情况下，水手必须掌握天文导航以确保安全航行。

作文

In the age of technology, navigation has become an essential part of our daily lives. However, long before the invention of GPS and modern navigational tools, sailors relied on the stars to guide them across the vast oceans. This ancient practice is known as astronavigation, which refers to the method of determining one's position and direction by observing celestial bodies. Understanding astronavigation not only provides insight into the skills of early navigators but also highlights the importance of astronomy in our exploration of the world.Historically, astronavigation played a crucial role in maritime exploration. Ancient civilizations, such as the Polynesians, used the stars to navigate the Pacific Ocean, often traveling thousands of miles without any modern instruments. They memorized the positions of stars and their movements throughout the year, allowing them to find their way across vast distances. This remarkable skill demonstrates the deep connection between humanity and the cosmos, as well as the reliance on natural phenomena for survival.The principles of astronavigation are based on the understanding of celestial mechanics. Navigators would observe specific stars, such as Polaris, the North Star, which remains relatively fixed in the sky and indicates true north. By measuring the angle between the horizon and a star using a sextant or similar instrument, they could determine their latitude. Additionally, by calculating the time of day and the position of the sun, navigators could ascertain their longitude. This combination of techniques allowed them to create accurate maps and charts, paving the way for successful voyages.Despite its historical significance, astronavigation is still relevant today, particularly in the field of aviation and space exploration. Modern pilots and astronauts are trained in these ancient techniques as a backup to contemporary navigation systems. In situations where GPS signals may be lost or compromised, understanding astronavigation can provide a reliable means of determining one's location. This knowledge serves as a testament to the enduring value of traditional navigational methods in an increasingly digital world.Moreover, the study of astronavigation encourages a greater appreciation for astronomy and its applications. As we explore the universe, understanding how to navigate using celestial bodies becomes essential. Space missions, such as those conducted by NASA and other space agencies, rely on precise calculations based on the positions of planets and stars. The ability to chart a course through space requires a solid grasp of astronavigation principles, showcasing the interconnectivity of different scientific disciplines.In conclusion, astronavigation is more than just an ancient practice; it is a vital skill that has shaped human exploration and continues to be relevant in modern navigation. By studying the stars, early navigators opened up new worlds and connected distant cultures. Today, as we venture into the cosmos, the lessons learned from astronavigation remind us of our roots and the fundamental relationship between humanity and the universe. Embracing this knowledge not only enriches our understanding of history but also prepares us for future explorations beyond our planet.

在科技时代，导航已成为我们日常生活中不可或缺的一部分。然而，在GPS和现代导航工具发明之前，水手们依靠星星来引导他们穿越辽阔的海洋。这种古老的实践被称为天体导航，指的是通过观察天体来确定自己位置和方向的方法。理解天体导航不仅提供了对早期导航员技能的洞察，也突显了天文学在我们探索世界中的重要性。历史上，天体导航在海洋探索中发挥了至关重要的作用。古代文明，如波利尼西亚人，利用星星在太平洋上导航，常常在没有任何现代仪器的情况下航行数千英里。他们记住了星星的位置及其一年中的运动，使他们能够在广阔的距离上找到自己的方向。这种非凡的技能展示了人类与宇宙之间的深厚联系，以及对自然现象生存的依赖。天体导航的原理基于对天体力学的理解。导航员会观察特定的星星，例如北极星，它在天空中相对固定，并指示真正的北方。通过使用六分仪或类似仪器测量地平线与星星之间的角度，他们可以确定自己的纬度。此外，通过计算白天的时间和太阳的位置，导航员可以确定他们的经度。这些技术的结合使他们能够创建准确的地图和图表，为成功的航行铺平了道路。尽管其历史意义重大，但天体导航在今天仍然相关，特别是在航空和太空探索领域。现代飞行员和宇航员接受这些古老技术的训练，以作为当代导航系统的备份。在GPS信号可能丢失或受到干扰的情况下，理解天体导航可以提供可靠的定位手段。这种知识证明了在日益数字化的世界中，传统导航方法的持久价值。此外，研究天体导航鼓励人们更加欣赏天文学及其应用。当我们探索宇宙时，了解如何利用天体进行导航变得至关重要。NASA和其他航天机构进行的太空任务依赖于基于行星和星星位置的精确计算。穿越太空的能力需要扎实掌握天体导航的原理，展示了不同科学学科之间的相互联系。总之，天体导航不仅仅是一种古老的实践；它是一项重要的技能，塑造了人类的探索，并在现代导航中继续相关。通过研究星星，早期的导航员开启了新世界并连接了遥远的文化。今天，当我们走向宇宙时，从天体导航中学到的课程提醒我们要牢记我们的根源，以及人类与宇宙之间的基本关系。拥抱这一知识不仅丰富了我们对历史的理解，也为我们准备未来超越我们星球的探索。