true ground speed

简明释义

对地真航速

英英释义

例句

1.The true ground speed indicated that we were making good progress against the wind.

显示的真实地面速度表明我们在逆风中进展良好。

2.Calculating the true ground speed is essential for accurate flight planning.

计算真实地面速度对准确的飞行计划至关重要。

3.Using GPS, the crew monitored the true ground speed throughout the flight.

机组人员通过GPS监控整个飞行过程中的真实地面速度。

4.The true ground speed increased as we descended closer to the runway.

当我们下降接近跑道时，真实地面速度增加了。

5.The pilot checked the aircraft's true ground speed to ensure they were on schedule.

飞行员检查了飞机的真实地面速度以确保他们按时到达。

作文

In aviation, understanding the concept of true ground speed is crucial for pilots and air traffic controllers alike. The term refers to the actual speed at which an aircraft is moving over the ground, as opposed to its speed relative to the air around it. This distinction is important because various factors, such as wind direction and speed, can significantly affect an aircraft's performance and navigation. For instance, when flying into a headwind, an aircraft may have a high indicated airspeed but a low true ground speed. Conversely, with a tailwind, the true ground speed can be much higher than the indicated airspeed.To illustrate the importance of true ground speed, consider a flight from New York to Los Angeles. If the aircraft is cruising at an airspeed of 500 knots but encounters a headwind of 100 knots, the true ground speed would only be 400 knots. This means that the aircraft is effectively covering less distance over the ground than it appears to be doing based on its airspeed alone. Pilots must take this into account when planning their flight paths and estimating arrival times.Moreover, true ground speed plays a significant role in fuel management. Airlines often calculate fuel requirements based on the expected true ground speed. If the true ground speed is lower than anticipated due to adverse weather conditions, the aircraft may need to carry additional fuel to reach its destination safely. This not only affects operational costs but also has implications for emissions and environmental impact.In addition to its practical applications, understanding true ground speed enhances situational awareness for pilots. By monitoring the true ground speed, pilots can better assess their progress along the flight path and make informed decisions regarding altitude changes or course adjustments. This is particularly critical during approaches and landings, where precision is paramount.Furthermore, modern technology has made tracking true ground speed easier and more accurate. With advancements in GPS systems and onboard avionics, pilots can receive real-time data about their true ground speed and adjust their flight plans accordingly. This technological integration improves safety and efficiency in air travel.In conclusion, the concept of true ground speed is essential for effective flight operations. It influences everything from navigation and fuel management to overall situational awareness. By grasping the significance of true ground speed, pilots can enhance their decision-making capabilities, ensuring safer and more efficient flights. As aviation continues to evolve, a thorough understanding of such fundamental concepts will remain a cornerstone of successful piloting and air traffic management.

在航空领域，理解true ground speed的概念对飞行员和空中交通管制员来说至关重要。这个术语指的是飞机在地面上的实际速度，而不是相对于周围空气的速度。这一区别很重要，因为风向和风速等各种因素可能会显著影响飞机的性能和导航。例如，当飞机迎着逆风飞行时，尽管其指示空速很高，但true ground speed可能很低。相反，在顺风情况下，true ground speed可能远高于指示空速。为了说明true ground speed的重要性，考虑一下从纽约到洛杉矶的航班。如果飞机以500节的空速巡航，但遇到100节的逆风，则true ground speed仅为400节。这意味着飞机在地面上覆盖的距离比其空速所显示的要少。飞行员必须考虑这一点，以便在规划航线和估算到达时间时做出相应调整。此外，true ground speed在燃料管理中也发挥着重要作用。航空公司通常根据预期的true ground speed计算燃料需求。如果由于不利天气条件，true ground speed低于预期，飞机可能需要携带额外的燃料才能安全到达目的地。这不仅影响运营成本，还有对排放和环境影响的影响。除了实际应用外，理解true ground speed还增强了飞行员的情境意识。通过监控true ground speed，飞行员可以更好地评估沿航线的进展，并就高度变化或航向调整做出明智的决定。这在进近和着陆阶段尤为关键，因为这时精确度至关重要。此外，现代技术使得跟踪true ground speed变得更加容易和准确。随着GPS系统和机载航空电子设备的进步，飞行员可以实时接收有关其true ground speed的数据，并相应调整航线。这种技术集成提高了航空旅行的安全性和效率。总之，true ground speed的概念对有效的飞行操作至关重要。它影响从导航和燃料管理到整体情境意识的方方面面。通过掌握true ground speed的重要性，飞行员可以增强决策能力，确保飞行的安全性和高效性。随着航空业的不断发展，对这些基本概念的深入理解将始终是成功飞行和空中交通管理的基石。