pseudo range

简明释义

伪距离

英英释义

例句

1.The pseudo range 伪距 can be affected by atmospheric conditions.

天气条件可能会影响伪距 pseudo range。

2.To improve accuracy, the system uses multiple pseudo ranges 伪距 from different satellites.

为了提高准确性，系统使用来自不同卫星的多个伪距 pseudo ranges。

3.The GPS receiver calculates the pseudo range 伪距 to determine its position.

GPS接收器计算伪距 pseudo range以确定其位置。

4.The algorithm estimates the pseudo range 伪距 based on the time delay of the signal.

算法根据信号的时间延迟估计伪距 pseudo range。

5.In differential GPS, corrections are applied to the pseudo ranges 伪距 to enhance precision.

在差分GPS中，应用修正来增强伪距 pseudo ranges的精确度。

作文

In the realm of satellite navigation, the term pseudo range refers to a calculated distance between a satellite and a receiver. This measurement is crucial for determining the precise location of the receiver on Earth. Unlike a true range, which is based on the actual physical distance, a pseudo range incorporates various factors that can introduce errors into the calculation. These factors include the time it takes for the signal to travel from the satellite to the receiver, atmospheric conditions, and any potential obstructions that might interfere with the signal. Understanding the concept of pseudo range is essential for anyone involved in navigation technology, particularly in the fields of aviation, maritime navigation, and even personal GPS devices. The accuracy of the pseudo range directly affects the overall performance of navigation systems. For instance, when a GPS device calculates its position, it relies on signals from multiple satellites. Each signal provides a different pseudo range, and by triangulating these distances, the device can pinpoint its exact location. However, the presence of errors in the pseudo range can lead to significant inaccuracies in positioning. For example, if the signal is delayed due to atmospheric interference, the calculated distance will be longer than the actual distance, resulting in an incorrect position fix. This is why advanced navigation systems employ various techniques to correct these errors, such as differential GPS (DGPS) and real-time kinematic (RTK) positioning. Moreover, the concept of pseudo range is not limited to just GPS technology. It is also applicable in other satellite-based navigation systems, such as GLONASS, Galileo, and BeiDou. Each of these systems utilizes the principle of pseudo range to provide accurate positioning information to users around the globe. In summary, the term pseudo range is a fundamental concept in satellite navigation that plays a vital role in determining the location of receivers. By understanding how pseudo range works and the factors that can influence its accuracy, we can appreciate the complexities of modern navigation systems. As technology continues to advance, the ability to refine and enhance the accuracy of pseudo range measurements will undoubtedly lead to even more reliable navigation solutions, benefiting various industries and everyday users alike.

在卫星导航领域，术语伪距指的是计算出的卫星与接收器之间的距离。这一测量对于确定接收器在地球上的精确位置至关重要。与基于实际物理距离的真实距离不同，伪距包含了可能引入计算误差的各种因素。这些因素包括信号从卫星传输到接收器所需的时间、大气条件以及可能干扰信号的任何障碍物。理解伪距的概念对于任何参与导航技术的人来说都是至关重要的，特别是在航空、海洋导航甚至个人GPS设备等领域。伪距的准确性直接影响导航系统的整体性能。例如，当GPS设备计算其位置时，它依赖于来自多个卫星的信号。每个信号提供不同的伪距，通过三角测量这些距离，设备可以准确地确定其确切位置。然而，伪距中的误差存在可能导致定位显著不准确。例如，如果由于大气干扰导致信号延迟，则计算出的距离将比实际距离更长，从而导致位置修正不正确。这就是为什么先进的导航系统采用各种技术来纠正这些误差，例如差分GPS（DGPS）和实时动态（RTK）定位。此外，伪距的概念不仅限于GPS技术。它在其他基于卫星的导航系统中也适用，例如GLONASS、伽利略和北斗。这些系统都利用伪距的原理为全球用户提供准确的定位信息。总之，术语伪距是卫星导航中的一个基本概念，在确定接收器位置方面发挥着至关重要的作用。通过理解伪距的工作原理及其准确性可能受到的影响因素，我们可以欣赏现代导航系统的复杂性。随着技术的不断进步，精细化和增强伪距测量的准确性的能力无疑将导致更可靠的导航解决方案，惠及各个行业和普通用户。