station-keeping system
简明释义
定位系统
英英释义
例句
1.The station-keeping system of the space station is vital for maintaining its position relative to Earth.
空间站的保持位置系统对于维持其相对于地球的位置至关重要。
2.A malfunction in the station-keeping system could lead to orbital drift.
在保持位置系统中的故障可能会导致轨道漂移。
3.During the mission, the station-keeping system needed to be recalibrated for better accuracy.
在任务期间,需对保持位置系统进行重新校准以提高准确性。
4.Engineers are testing the new station-keeping system for the upcoming satellite launch.
工程师正在测试即将发射的卫星的新保持位置系统。
5.The satellite's station-keeping system ensures it stays in the correct orbit.
卫星的保持位置系统确保其保持在正确的轨道上。
作文
In the realm of aerospace engineering, the term station-keeping system refers to a critical technology used to maintain the position of a spacecraft or satellite in orbit. This system is essential for various applications, including telecommunications, weather monitoring, and Earth observation. The ability to keep a satellite in a precise location allows for consistent data collection and communication without interruptions. The concept of station-keeping system involves several key components, including sensors, thrusters, and control algorithms. Sensors are used to determine the satellite's current position and velocity relative to its desired orbit. These sensors can include gyroscopes, accelerometers, and GPS receivers, which provide real-time data about the satellite's movement. Once the position is determined, the control algorithms come into play. These algorithms analyze the data from the sensors and calculate the necessary adjustments needed to maintain the satellite's orbit. For instance, if a satellite begins to drift due to gravitational forces or atmospheric drag, the control system will command the thrusters to fire, correcting the satellite's trajectory back to its intended path. This process is known as orbit correction and is vital for the longevity and functionality of the satellite. The importance of a robust station-keeping system cannot be overstated. Without it, satellites would quickly become unusable, drifting off course and losing their ability to communicate or gather data effectively. This is particularly crucial for satellites that are part of large constellations, such as those used for global positioning systems (GPS) or broadband internet services. A failure in one satellite's positioning can have a cascading effect on the entire network, leading to degraded service or complete outages. Moreover, advancements in technology have led to the development of more efficient station-keeping systems. Traditional systems relied heavily on chemical propulsion, which required significant amounts of fuel. However, newer systems are exploring alternative methods, such as electric propulsion, which uses less fuel and can operate for longer periods. This shift not only extends the operational life of satellites but also reduces the cost associated with launching replacement satellites. In conclusion, the station-keeping system is an indispensable aspect of modern satellite operations. It ensures that satellites remain in their designated orbits, allowing them to perform their functions effectively. As technology continues to evolve, we can expect further improvements in these systems, leading to even greater reliability and efficiency in satellite operations. The ongoing development in this field highlights the importance of maintaining precise control over satellite positioning, ultimately benefiting various sectors that rely on satellite technology for their operations.
在航空航天工程领域,短语station-keeping system指的是一种关键技术,用于维持航天器或卫星在轨道上的位置。该系统对各种应用至关重要,包括电信、天气监测和地球观测。保持卫星在精确位置的能力允许持续的数据收集和通信,而不会中断。station-keeping system的概念涉及几个关键组件,包括传感器、推进器和控制算法。传感器用于确定卫星相对于其期望轨道的当前位置和速度。这些传感器可以包括陀螺仪、加速度计和GPS接收器,它们提供有关卫星运动的实时数据。一旦确定了位置,控制算法便会发挥作用。这些算法分析传感器的数据,并计算出维持卫星轨道所需的必要调整。例如,如果卫星由于引力或大气阻力开始漂移,控制系统将指挥推进器发射,纠正卫星的轨迹,使其回到预定路径。这个过程被称为轨道修正,对于卫星的寿命和功能至关重要。强大的station-keeping system的重要性不容小觑。如果没有它,卫星将迅速变得无用,漂移偏离轨道,失去有效的通信或数据收集能力。这对于作为大型星座一部分的卫星尤为重要,例如用于全球定位系统(GPS)或宽带互联网服务的卫星。一颗卫星定位的故障可能会对整个网络产生连锁反应,导致服务质量下降或完全中断。此外,技术的进步使得更高效的station-keeping systems得以开发。传统系统在很大程度上依赖化学推进,这需要大量燃料。然而,新的系统正在探索替代方法,如电推进,这使用更少的燃料并且可以运行更长时间。这种转变不仅延长了卫星的操作寿命,还降低了发射替代卫星相关的成本。总之,station-keeping system是现代卫星操作中不可或缺的一个方面。它确保卫星保持在指定轨道上,从而有效地执行其功能。随着技术的不断发展,我们可以期待这些系统的进一步改进,从而在卫星操作中实现更大的可靠性和效率。在这一领域的持续发展突显了对卫星定位精确控制的维护的重要性,最终惠及依赖卫星技术进行操作的各个行业。