dilution of precision vertical

简明释义

精度因子垂直

英英释义

例句

1.The surveyor noted a dilution of precision vertical due to nearby buildings affecting satellite signals.

测量员注意到由于附近建筑物影响卫星信号，出现了垂直精度稀释。

2.When evaluating GPS accuracy, a significant dilution of precision vertical can lead to unreliable altitude data.

在评估GPS精度时，显著的垂直精度稀释可能导致高度数据不可靠。

3.During the hiking trip, we experienced a dilution of precision vertical in our GPS readings in the mountainous terrain.

在徒步旅行中，我们在山区地形中经历了GPS读数的垂直精度稀释。

4.In aviation, pilots must be aware of the dilution of precision vertical to ensure safe landing approaches.

在航空中，飞行员必须注意垂直精度稀释以确保安全着陆。

5.The construction team had to account for the dilution of precision vertical when determining building heights.

施工团队在确定建筑高度时必须考虑到垂直精度稀释。

作文

Understanding the concept of dilution of precision vertical is crucial for those involved in fields such as geolocation, surveying, and navigation. This term refers to the degradation of accuracy in determining a vertical position due to the geometry of the satellites or signals used to obtain that position. In simpler terms, it describes how the arrangement of satellites affects the precision of vertical measurements. In the context of Global Navigation Satellite Systems (GNSS), such as GPS, the accuracy of positioning can be significantly influenced by the relative positions of the satellites in the sky. When satellites are positioned directly overhead, the vertical accuracy tends to be higher. Conversely, when satellites are spread out horizontally, especially when they are low on the horizon, the dilution of precision vertical increases, leading to less reliable vertical positioning.The importance of understanding dilution of precision vertical cannot be overstated, particularly in applications where precise altitude measurements are critical. For instance, in aviation, accurate altitude data is essential for safe takeoffs and landings. If the dilution of precision vertical is high, pilots may receive inaccurate altitude readings, which could lead to dangerous situations during flight operations.Moreover, in surveying, engineers and land surveyors rely on precise vertical measurements to determine land boundaries and elevations. A high dilution of precision vertical can result in errors that affect construction projects, land development, and environmental assessments. These inaccuracies can lead to costly mistakes and delays in project timelines.To mitigate the effects of dilution of precision vertical, users can employ various strategies. One effective method is to use differential GPS (DGPS), which enhances the accuracy of GNSS signals by correcting errors through a network of ground-based reference stations. By using DGPS, users can achieve much higher levels of vertical precision, even in conditions where the dilution of precision vertical might otherwise compromise accuracy.Additionally, advancements in technology, such as the integration of satellite-based augmentation systems (SBAS) and multi-frequency GNSS receivers, have improved the overall reliability of vertical positioning. These technologies help reduce the impact of dilution of precision vertical by providing more robust signals and better satellite geometry.In conclusion, the term dilution of precision vertical is a critical factor in determining the accuracy of vertical positioning in various applications. Understanding how satellite geometry affects vertical precision is essential for professionals in fields like aviation and surveying. By implementing advanced technologies and methods to counteract the effects of dilution of precision vertical, users can ensure that they obtain the most accurate and reliable altitude measurements possible. This knowledge not only enhances safety but also improves efficiency in various industries that depend on precise positioning.

理解和掌握dilution of precision vertical这一概念对于那些从事地理定位、测量和导航等领域的人来说至关重要。这个术语指的是由于用于获取垂直位置的卫星或信号的几何形状而导致的精度下降。简单来说，它描述了卫星的排列如何影响垂直测量的精确性。在全球导航卫星系统（GNSS）中，例如GPS，定位的准确性可能会受到天空中卫星相对位置的显著影响。当卫星直接位于头顶时，垂直精度往往较高。相反，当卫星水平分布，特别是当它们低于地平线时，dilution of precision vertical增加，从而导致垂直定位不太可靠。理解dilution of precision vertical的重要性不容小觑，尤其是在需要精确高度测量的应用中。例如，在航空领域，准确的高度数据对于安全起飞和着陆至关重要。如果dilution of precision vertical较高，飞行员可能会收到不准确的高度读数，这可能在飞行操作中导致危险情况。此外，在测量中，工程师和土地测量师依赖精确的垂直测量来确定土地边界和海拔高度。高dilution of precision vertical可能导致影响建筑项目、土地开发和环境评估的错误。这些不准确性可能导致代价高昂的错误和项目时间表的延误。为了减轻dilution of precision vertical的影响，用户可以采用各种策略。一种有效的方法是使用差分GPS（DGPS），它通过一组基于地面的参考站网络来校正错误，从而增强GNSS信号的准确性。通过使用DGPS，用户可以在dilution of precision vertical可能妨碍精度的情况下实现更高水平的垂直精度。此外，技术的进步，例如卫星增强系统（SBAS）和多频GNSS接收器的集成，改善了垂直定位的整体可靠性。这些技术有助于减少dilution of precision vertical的影响，通过提供更强大的信号和更好的卫星几何形状。总之，术语dilution of precision vertical是确定各种应用中垂直定位准确性的关键因素。了解卫星几何形状如何影响垂直精度对于航空和测量等领域的专业人士至关重要。通过实施先进的技术和方法来抵消dilution of precision vertical的影响，用户可以确保获得尽可能准确和可靠的高度测量。这一知识不仅增强了安全性，还提高了依赖精确定位的各个行业的效率。