transit phase angle

简明释义

飞越角

英英释义

例句

1.The astronomer calculated the transit phase angle to determine the best time for observation.

天文学家计算了过境相位角以确定最佳观察时间。

2.The transit phase angle affects the visibility of celestial events from Earth.

从地球上看，过境相位角影响天文事件的可见性。

3.During the mission, the team monitored the transit phase angle of the satellite to ensure proper alignment.

在任务期间，团队监测了卫星的过境相位角以确保正确对齐。

4.Engineers adjusted the spacecraft's trajectory based on the transit phase angle calculations.

工程师根据过境相位角的计算调整了航天器的轨道。

5.Understanding the transit phase angle is crucial for predicting planetary alignments.

理解过境相位角对于预测行星排列至关重要。

作文

The concept of transit phase angle is crucial in various fields, particularly in astronomy and engineering. Understanding this term allows us to grasp how celestial bodies move in relation to one another and how these movements can be predicted. The transit phase angle refers to the angle that describes the position of a planet or moon as it transits across the face of a star, relative to an observer's line of sight. This angle plays a significant role in determining the timing and characteristics of transits, which are essential for studying exoplanets and their atmospheres.In astronomy, when we observe a planet passing in front of its star, the transit phase angle helps astronomers calculate the size of the planet and its distance from the star. By measuring the light curve during a transit, scientists can determine how much light is blocked by the planet, which in turn provides information about its size. The transit phase angle also affects the duration of the transit, as well as the depth of the light curve, making it an indispensable tool in the discovery of new exoplanets.Furthermore, the transit phase angle is not only limited to planetary transits but also applies to other celestial phenomena, such as eclipses. During a solar or lunar eclipse, the transit phase angle helps define the geometry of the event, allowing astronomers to predict the timing and visibility of the eclipse from different locations on Earth. Understanding this angle is vital for both professional astronomers and amateur enthusiasts who wish to observe these spectacular events.In engineering, especially in satellite technology, the transit phase angle is equally important. Satellites often need to align themselves with specific angles to optimize communication and data transmission. The transit phase angle can influence the performance of satellite systems, ensuring that signals are transmitted efficiently and without interference. Engineers must consider this angle when designing satellite orbits and communication protocols, as it can significantly impact the reliability of the services provided.Moreover, the transit phase angle can also be applied in the context of navigation systems. For instance, GPS technology relies on precise measurements of time and angle to determine the exact location of a receiver on Earth. The transit phase angle helps improve the accuracy of these measurements, enabling users to navigate with confidence.In conclusion, the transit phase angle is a multifaceted concept that finds application in diverse fields such as astronomy, engineering, and navigation. Its significance lies in its ability to enhance our understanding of celestial mechanics and improve technological systems. As we continue to explore the universe and develop advanced technologies, mastering the implications of the transit phase angle will undoubtedly remain a key aspect of scientific progress and innovation.

“transit phase angle”（过境相位角）的概念在多个领域中至关重要，特别是在天文学和工程学中。理解这个术语使我们能够掌握天体之间的运动以及如何预测这些运动。“transit phase angle”指的是描述一个行星或卫星在相对于观察者视线的情况下穿越一颗恒星面前时的位置的角度。这个角度在确定过境的时间和特征方面发挥着重要作用，这对于研究系外行星及其大气层是必不可少的。在天文学中，当我们观察一个行星在其恒星面前经过时，“transit phase angle”帮助天文学家计算行星的大小和它与恒星的距离。通过测量过境期间的光曲线，科学家们可以确定被行星遮挡的光量，从而提供关于其大小的信息。“transit phase angle”还影响过境的持续时间以及光曲线的深度，使其成为发现新系外行星的不可或缺的工具。此外，“transit phase angle”不仅限于行星过境，还适用于其他天文现象，如日食和月食。在日食或月食期间，“transit phase angle”有助于定义事件的几何形状，使天文学家能够预测从地球不同位置观看日食的时间和可见性。理解这个角度对专业天文学家和希望观察这些壮观事件的业余爱好者来说都是至关重要的。在工程学中，尤其是在卫星技术中，“transit phase angle”同样重要。卫星通常需要以特定角度对齐，以优化通信和数据传输。“transit phase angle”可以影响卫星系统的性能，确保信号高效且无干扰地传输。工程师在设计卫星轨道和通信协议时必须考虑这个角度，因为它可能会显著影响所提供服务的可靠性。此外，“transit phase angle”还可以在导航系统的背景下应用。例如，GPS技术依赖于时间和角度的精确测量来确定接收器在地球上的确切位置。“transit phase angle”有助于提高这些测量的准确性，使用户能够自信地进行导航。总之，“transit phase angle”是一个多面的概念，在天文学、工程学和导航等多个领域都有应用。它的重要性在于它能够增强我们对天体力学的理解并改善技术系统。随着我们继续探索宇宙和发展先进技术，掌握“transit phase angle”的含义无疑将仍然是科学进步和创新的关键方面。