Doppler log

简明释义

多普勒计程仪

英英释义

例句

1.The Doppler log provides real-time data that is crucial for navigation.

这Doppler log提供实时数据，对于导航至关重要。

2.The fisherman relied on the Doppler log to find the best fishing spots.

渔民依赖于Doppler log来寻找最佳的捕鱼地点。

3.After reviewing the Doppler log, we adjusted our course to avoid shallow waters.

在查看了Doppler log后，我们调整了航向以避开浅水区。

4.Using the Doppler log, the crew was able to accurately measure their drift during the storm.

通过使用Doppler log，船员能够准确测量在风暴中的漂移。

5.The captain checked the Doppler log to determine the vessel's speed over ground.

船长查看了Doppler log以确定船只在水面上的速度。

作文

The term Doppler log refers to a specific type of instrument used primarily in maritime and aeronautical contexts to measure the speed of a vessel or aircraft relative to the water or air around it. This technology leverages the principles of the Doppler effect, which describes how the frequency of waves changes based on the relative motion between the source of the waves and an observer. In simpler terms, when a vessel moves through water, the waves created by its movement can be analyzed to determine how fast it is traveling. The Doppler log operates by emitting sound waves and measuring the frequency shift of the waves that bounce back after hitting the seabed or other underwater objects. This information is then processed to calculate the speed of the vessel. Understanding the functionality of a Doppler log is crucial for navigators and pilots, as accurate speed readings are essential for safe and efficient travel. In maritime navigation, knowing the speed of a ship allows for better route planning and fuel efficiency. Additionally, it helps in avoiding potential collisions with other vessels. For aircraft, the Doppler log can provide vital information during takeoff and landing phases, where speed control is paramount.The advantages of using a Doppler log over traditional speed measurement methods are significant. Traditional logs, such as mechanical logs, rely on physical components that can wear out or become damaged over time, leading to inaccurate readings. In contrast, the Doppler log utilizes electronic sensors and algorithms that can provide real-time data with high precision. This reliability is especially important in challenging weather conditions where visibility may be low, and traditional methods might falter.Moreover, the Doppler log can also be integrated with other navigation systems, enhancing overall situational awareness for operators. For instance, when combined with GPS technology, the Doppler log can help cross-verify speed and position, ensuring that navigators have the most accurate information available. This integration is particularly useful in modern vessels equipped with sophisticated navigation systems that require multiple inputs to function optimally.In summary, the Doppler log is an invaluable tool in the fields of navigation and transportation. Its ability to provide accurate speed measurements through advanced technology not only improves safety but also enhances operational efficiency. As technology continues to evolve, we can expect further advancements in Doppler log systems, making them even more indispensable for maritime and aviation professionals. Understanding how to use and interpret the data from a Doppler log is essential for anyone involved in these industries, highlighting the importance of this technology in modern navigation practices.

术语Doppler log指的是一种特定类型的仪器，主要用于海洋和航空领域，以测量船只或飞机相对于周围水域或空气的速度。这项技术利用了多普勒效应的原理，该原理描述了波的频率如何根据波源与观察者之间的相对运动而变化。简单来说，当船只在水中移动时，它所产生的波可以被分析以确定它的行驶速度。Doppler log通过发射声波并测量在撞击海底或其他水下物体后反弹回来的波的频率变化来工作。然后，这些信息被处理以计算船只的速度。理解Doppler log的功能对导航员和飞行员至关重要，因为准确的速度读数对安全和高效的旅行至关重要。在海洋导航中，了解船只的速度有助于更好的航线规划和燃料效率。此外，它还有助于避免与其他船只的潜在碰撞。对于飞机而言，Doppler log在起飞和着陆阶段提供重要信息，在这些阶段速度控制至关重要。使用Doppler log相对于传统速度测量方法的优势显著。传统的测速仪，如机械日志，依赖于可能磨损或损坏的物理组件，从而导致不准确的读数。相比之下，Doppler log利用电子传感器和算法，可以提供实时数据，精度高。这种可靠性在挑战性的天气条件下尤为重要，此时能见度可能较低，而传统方法可能会失效。此外，Doppler log还可以与其他导航系统集成，增强操作员的整体环境意识。例如，当与GPS技术结合时，Doppler log可以帮助交叉验证速度和位置，确保导航员拥有最准确的信息。这种集成在配备先进导航系统的现代船只上尤其有用，这些系统需要多个输入才能最佳运行。总之，Doppler log是导航和运输领域中不可或缺的工具。它通过先进技术提供准确的速度测量，不仅提高了安全性，还增强了操作效率。随着技术的不断发展，我们可以期待Doppler log系统的进一步进步，使其在海洋和航空专业人员中变得更加不可或缺。了解如何使用和解释来自Doppler log的数据对任何参与这些行业的人都是至关重要的，这突显了这项技术在现代导航实践中的重要性。