broadcast ephemeris

简明释义

广播星历

英英释义

例句

1.To improve navigation accuracy, the broadcast ephemeris must be updated frequently.

为了提高导航精度，广播星历必须频繁更新。

2.The accuracy of positioning systems largely depends on the quality of the broadcast ephemeris.

定位系统的准确性在很大程度上依赖于广播星历的质量。

3.Users can download the latest broadcast ephemeris data from the satellite.

用户可以从卫星下载最新的广播星历数据。

4.The GPS receiver uses the broadcast ephemeris to calculate its position accurately.

GPS接收器使用广播星历来准确计算其位置。

5.The broadcast ephemeris is transmitted by satellites every 30 seconds.

广播星历每30秒由卫星传输一次。

作文

In the realm of satellite navigation, the term broadcast ephemeris plays a crucial role in determining the precise location of satellites and, consequently, the accuracy of positioning systems such as GPS. The broadcast ephemeris refers to the data transmitted by satellites that provide information about their orbits. This data includes parameters like the satellite's position, velocity, and time. By utilizing this information, receivers on Earth can calculate their own position with remarkable accuracy.The importance of broadcast ephemeris cannot be overstated. Without it, navigation systems would struggle to provide accurate location data. The broadcast ephemeris is typically updated regularly, and these updates are essential for maintaining the integrity of the navigation system. Each satellite continuously transmits its broadcast ephemeris along with other relevant signals, which are received by GPS devices. These devices then use the data to triangulate their position relative to multiple satellites.One interesting aspect of broadcast ephemeris is the way it impacts various applications in everyday life. For instance, when using a smartphone for navigation, the device relies heavily on the broadcast ephemeris to provide real-time directions. The accuracy of the navigation app is directly linked to the quality and timeliness of the broadcast ephemeris data. If the data is outdated or incorrect, users may find themselves misled or confused about their route.Moreover, the broadcast ephemeris is not only vital for personal navigation but also for critical applications such as aviation and maritime navigation. Pilots and ship captains depend on accurate positioning to ensure safe travel. In these high-stakes environments, any error in the broadcast ephemeris could lead to disastrous consequences. Therefore, the continuous monitoring and updating of broadcast ephemeris data is paramount.In conclusion, the concept of broadcast ephemeris is integral to the functioning of modern navigation systems. Its role in providing accurate orbital data for satellites is fundamental for various applications, ranging from casual navigation on smartphones to professional aviation and maritime operations. Understanding the significance of broadcast ephemeris allows us to appreciate how satellite technology enhances our daily lives and ensures safety in transportation. As technology continues to evolve, the reliability and accuracy of broadcast ephemeris will remain a cornerstone of effective navigation solutions.

在卫星导航领域，术语广播星历在确定卫星的精确位置以及因此而来的定位系统（如GPS）的准确性方面发挥着至关重要的作用。广播星历是指卫星传输的数据，这些数据提供了有关其轨道的信息。这些数据包括卫星的位置、速度和时间等参数。通过利用这些信息，地球上的接收器可以以惊人的准确度计算出自己的位置。广播星历的重要性不容小觑。如果没有它，导航系统将难以提供准确的位置数据。广播星历通常会定期更新，而这些更新对于维护导航系统的完整性至关重要。每颗卫星不断传输其广播星历以及其他相关信号，这些信号被GPS设备接收。这些设备随后使用数据相对于多颗卫星三角定位。广播星历的一个有趣方面是它对日常生活中各种应用的影响。例如，在使用智能手机进行导航时，设备在很大程度上依赖于广播星历来提供实时方向。导航应用程序的准确性直接与广播星历数据的质量和及时性相关。如果数据过时或不正确，用户可能会发现自己在路线方面受到误导或困惑。此外，广播星历不仅对个人导航至关重要，而且对航空和海洋导航等关键应用也至关重要。飞行员和船长依赖于准确的位置来确保安全旅行。在这些高风险环境中，任何广播星历的错误都可能导致灾难性的后果。因此，不断监测和更新广播星历数据是至关重要的。总之，广播星历的概念是现代导航系统正常运行的基础。它在为卫星提供准确轨道数据方面的作用对于各种应用至关重要，从智能手机上的休闲导航到专业航空和海洋操作。理解广播星历的重要性使我们能够欣赏卫星技术如何增强我们的日常生活并确保交通安全。随着技术的不断发展，广播星历的可靠性和准确性将始终是有效导航解决方案的基石。