geostationary orbits

简明释义

地球同步轨道

英英释义

Geostationary orbits are orbits around the Earth where a satellite appears to remain stationary relative to a fixed point on the Earth's surface, typically at an altitude of approximately 35,786 kilometers (22,236 miles) above the equator.

地球静止轨道是指围绕地球运行的卫星,其相对于地球表面固定点看起来保持静止,通常位于赤道上方约35,786公里(22,236英里)的高度。

例句

1.In geostationary orbits (静止轨道), satellites orbit the Earth at the same rotational speed, making them appear stationary relative to the surface.

geostationary orbits(静止轨道)中,卫星以与地球相同的旋转速度绕地球运行,使它们在地表上看起来是静止的。

2.Satellites in geostationary orbits (静止轨道) allow for constant communication with a specific area on Earth.

处于geostationary orbits(静止轨道)的卫星可以与地球上的特定区域保持恒定的通信。

3.Television broadcasting satellites utilize geostationary orbits (静止轨道) to provide uninterrupted service.

电视广播卫星利用geostationary orbits(静止轨道)提供不间断的服务。

4.The weather satellites are often placed in geostationary orbits (静止轨道) to continuously monitor atmospheric conditions.

气象卫星通常被放置在geostationary orbits(静止轨道)以持续监测大气条件。

5.The concept of geostationary orbits (静止轨道) was first proposed in the 1940s by science fiction writer Arthur C. Clarke.

关于geostationary orbits(静止轨道)的概念最早是由科幻作家阿瑟·克拉克在20世纪40年代提出的。

作文

The concept of geostationary orbits refers to a specific type of orbit that allows satellites to remain fixed in one position relative to the Earth’s surface. This unique characteristic is achieved when a satellite is placed at an altitude of approximately 35,786 kilometers above the equator. In this orbit, the satellite travels at the same rotational speed as the Earth, which means it takes exactly 24 hours to complete one full orbit around the planet. This synchronization with the Earth’s rotation enables the satellite to maintain a constant position over a particular point on the equator, making it incredibly valuable for various applications.One of the primary uses of geostationary orbits is in telecommunications. Satellites positioned in these orbits can provide consistent and reliable communication services to specific regions on Earth. For instance, television broadcasting, internet services, and telephone communications heavily rely on satellites in geostationary orbits. By remaining stationary relative to the Earth, these satellites can continuously relay signals to ground stations, ensuring uninterrupted service.Moreover, geostationary orbits are also crucial for weather monitoring and forecasting. Satellites equipped with advanced imaging technology can capture real-time data about atmospheric conditions, cloud formations, and other meteorological phenomena. This information is vital for predicting weather patterns and natural disasters, ultimately aiding in disaster preparedness and response. The ability of these satellites to provide continuous coverage of the same geographical area enhances the accuracy of weather forecasts, benefiting millions of people worldwide.In addition to telecommunications and weather monitoring, geostationary orbits play a significant role in military and defense applications. Surveillance satellites positioned in these orbits can monitor specific regions for security purposes. Their fixed position allows for persistent observation, which is essential for intelligence gathering and threat detection. This capability is particularly important in today’s world, where rapid changes in geopolitical dynamics require timely and accurate information.However, maintaining satellites in geostationary orbits is not without its challenges. The altitude required for these orbits places satellites in a region where they are exposed to various environmental factors, including radiation from the sun and space debris. Additionally, the limited number of available geostationary orbits means that there is intense competition among countries and companies to secure a position for their satellites. As a result, careful planning and coordination are necessary to avoid interference between different satellites operating in the same orbital slot.In conclusion, geostationary orbits are a fundamental component of modern satellite technology, enabling a wide range of applications from telecommunications to weather forecasting and military surveillance. Their unique ability to remain fixed above a specific point on Earth makes them indispensable in our increasingly connected world. As technology continues to advance, the importance of geostationary orbits will only grow, highlighting the need for ongoing research and innovation in satellite design and deployment strategies.

“静止轨道”这一概念指的是一种特定类型的轨道,使得卫星能够相对于地球表面保持固定的位置。这一独特特性是通过将卫星放置在距离赤道约35,786公里的高度来实现的。在这个轨道上,卫星以与地球相同的自转速度运行,这意味着它完成一次绕地球的完整轨道所需的时间恰好为24小时。这种与地球自转的同步使卫星能够在赤道上的特定点上保持恒定位置,从而在各种应用中极具价值。“静止轨道”的主要用途之一是电信。位于这些轨道上的卫星可以为地球上的特定区域提供稳定可靠的通信服务。例如,电视广播、互联网服务和电话通信都严重依赖于“静止轨道”上的卫星。由于这些卫星相对于地球保持静止,它们可以持续向地面站中继信号,确保服务不中断。此外,“静止轨道”对于天气监测和预报也至关重要。配备先进成像技术的卫星可以实时捕捉大气条件、云层形成和其他气象现象的数据。这些信息对于预测天气模式和自然灾害至关重要,从而有助于灾害准备和响应。这些卫星提供对同一地理区域的连续覆盖能力增强了天气预报的准确性,使全世界数百万人受益。除了电信和天气监测外,“静止轨道”在军事和防御应用中也发挥着重要作用。位于这些轨道上的监视卫星可以监控特定区域以确保安全。它们的固定位置允许持续观察,这对于情报收集和威胁检测至关重要。在当今快速变化的地缘政治动态中,这种能力尤为重要,需要及时准确的信息。然而,维持卫星在“静止轨道”中的运行并非没有挑战。达到这些轨道所需的高度使卫星暴露在各种环境因素下,包括来自太阳的辐射和太空垃圾。此外,可用的“静止轨道”数量有限,这意味着各国和公司之间在争夺卫星位置方面竞争激烈。因此,需要进行仔细的规划和协调,以避免不同卫星在同一轨道插槽中干扰。总之,“静止轨道”是现代卫星技术的基本组成部分,使从电信到天气预报和军事监视等广泛应用成为可能。它们在地球上特定点上保持固定位置的独特能力使其在我们日益互联的世界中不可或缺。随着技术的不断进步,“静止轨道”的重要性只会增加,这突显了在卫星设计和部署策略方面进行持续研究和创新的必要性。

相关单词

geostationary

geostationary详解:怎么读、什么意思、用法

orbits

orbits详解:怎么读、什么意思、用法