altitude and azimuth instrument

简明释义

地平经纬仪

英英释义

例句

1.During the navigation training, we learned how to operate an altitude and azimuth instrument effectively.

在导航训练中，我们学习了如何有效地操作高度和方位仪。

2.Using an altitude and azimuth instrument can greatly improve your stargazing experience.

使用高度和方位仪可以大大改善你的观星体验。

3.The altitude and azimuth instrument is essential for precise satellite tracking.

对于精确的卫星跟踪，高度和方位仪是必不可少的。

4.He calibrated the altitude and azimuth instrument before starting his observations.

在开始观察之前，他对高度和方位仪进行了校准。

5.The astronomer used an altitude and azimuth instrument to locate the planets in the night sky.

天文学家使用高度和方位仪来定位夜空中的行星。

作文

In the field of astronomy and navigation, understanding the position of celestial bodies is crucial. One of the essential tools used for this purpose is the altitude and azimuth instrument. This device allows astronomers and navigators to determine the position of stars and other celestial objects by measuring their altitude (the angle above the horizon) and azimuth (the angle measured clockwise from the north). The altitude and azimuth instrument plays a vital role in various applications, such as satellite tracking, navigation, and even in the field of meteorology.The concept of altitude refers to how high an object is in the sky, which is measured in degrees. For instance, when an observer looks at a star that is directly overhead, its altitude is 90 degrees. Conversely, if the star is on the horizon, its altitude is 0 degrees. On the other hand, azimuth measures the direction of the object in relation to the observer's position. It is typically expressed in degrees, ranging from 0 to 360, where 0 degrees corresponds to true north, 90 degrees to east, 180 degrees to south, and 270 degrees to west.Using a altitude and azimuth instrument involves a combination of these two measurements. Observers can easily locate celestial objects by knowing their altitude and azimuth coordinates. This method is particularly helpful for amateur astronomers who wish to find specific stars or planets in the night sky. The instrument usually consists of a rotating base that allows for horizontal movement (azimuth) and an adjustable arm or scope that can be tilted up or down (altitude).The significance of the altitude and azimuth instrument extends beyond amateur astronomy. In professional settings, such as observatories and research institutions, these instruments are used to conduct precise measurements of celestial events. For example, during a solar eclipse, astronomers can use the instrument to track the moon's shadow across the Earth, providing valuable data for scientific studies.Moreover, the altitude and azimuth instrument is integral to navigation. Sailors and pilots often use it to determine their position relative to celestial bodies. By knowing their location and the altitude and azimuth of certain stars, they can navigate accurately even when out of sight of land. This technique, known as celestial navigation, has been used for centuries and remains relevant today, especially in remote areas where GPS signals may be weak or unreliable.In conclusion, the altitude and azimuth instrument is a fundamental tool in both astronomy and navigation. Its ability to provide accurate measurements of celestial objects' positions makes it indispensable for both amateur stargazers and professional astronomers alike. As technology continues to advance, the principles behind this instrument remain critical for understanding our universe and navigating our world. Whether observing the stars or charting a course across the ocean, the altitude and azimuth instrument is a testament to human curiosity and our quest for knowledge about the cosmos.

在天文学和导航领域，理解天体的位置至关重要。用于此目的的基本工具之一是高度和方位仪。该设备允许天文学家和导航员通过测量天体的高度（地平线以上的角度）和方位（从北开始顺时针测量的角度）来确定星星和其他天体的位置。高度和方位仪在卫星跟踪、导航甚至气象学等各种应用中发挥着重要作用。高度的概念指的是物体在天空中的高度，通常以度数为单位进行测量。例如，当观察者看到一颗星星正好在头顶时，其高度为90度。相反，如果星星在地平线上，则其高度为0度。另一方面，方位是指物体相对于观察者位置的方向。它通常以度数表示，范围从0到360，其中0度对应于真北，90度对应于东，180度对应于南，270度对应于西。使用高度和方位仪涉及这两种测量的组合。观察者可以通过知道天体的高度和方位坐标来轻松定位天体。这种方法对希望在夜空中寻找特定星星或行星的业余天文学家特别有帮助。该仪器通常由一个旋转底座组成，允许水平移动（方位），以及一个可调臂或望远镜，可以上下倾斜（高度）。高度和方位仪的重要性超出了业余天文学。在专业环境中，如天文台和研究机构，这些仪器用于进行精确的天文事件测量。例如，在日食期间，天文学家可以使用该仪器跟踪月球阴影在地球上的移动，为科学研究提供宝贵的数据。此外，高度和方位仪在导航中也至关重要。水手和飞行员经常使用它来确定自己相对于天体的位置。通过了解他们的位置以及某些星星的高度和方位，他们可以即使在看不见陆地的情况下也能准确导航。这种被称为天文导航的技术已经使用了几个世纪，今天仍然相关，特别是在GPS信号可能较弱或不可靠的偏远地区。总之，高度和方位仪是天文学和导航中的基本工具。它能够提供天体位置的准确测量，使其对业余天文爱好者和专业天文学家都不可或缺。随着技术的不断进步，这种仪器背后的原理仍然对理解我们的宇宙和导航我们的世界至关重要。无论是观察星星还是在海洋中航行，高度和方位仪都是人类好奇心和探索宇宙知识的见证。