carrier phase

简明释义

载波相位

英英释义

例句

1.The accuracy of GPS positioning can be significantly improved by utilizing the carrier phase 载波相位 measurements.

通过利用载波相位 carrier phase 测量，可以显著提高GPS定位的准确性。

2.The processing of carrier phase 载波相位 data requires advanced algorithms to resolve ambiguities.

处理载波相位 carrier phase 数据需要先进的算法来解决歧义。

3.In many geodetic applications, the carrier phase 载波相位 data is preferred over code measurements for better precision.

在许多大地测量应用中，载波相位 carrier phase 数据比代码测量更受青睐，以获得更好的精度。

4.In satellite communication, the carrier phase 载波相位 is crucial for maintaining signal integrity.

在卫星通信中，载波相位 carrier phase 对于保持信号完整性至关重要。

5.To achieve centimeter-level accuracy, surveyors often rely on carrier phase 载波相位 techniques during their measurements.

为了达到厘米级的精度，测量员通常在测量过程中依赖于载波相位 carrier phase 技术。

作文

The concept of carrier phase is crucial in the field of telecommunications and navigation systems. To understand its significance, we must first explore what a carrier signal is. A carrier signal is a waveform that is modulated with an information-bearing signal for the purpose of conveying information. In simpler terms, it acts as a vehicle for transmitting data over distances. The carrier phase refers to the phase of this carrier wave at any given point in time. It is an essential aspect of signal processing, particularly in systems like GPS and satellite communications.In GPS technology, for instance, the accuracy of positioning depends significantly on the measurement of carrier phase. When a GPS receiver picks up signals from satellites, it measures the time it takes for the signals to travel from the satellite to the receiver. However, due to various factors such as atmospheric conditions and multipath effects, the timing measurements can be inaccurate. By utilizing the carrier phase, which provides a more precise measurement of the signal's phase, GPS systems can achieve centimeter-level accuracy. This is because the carrier phase can help differentiate between multiple wavelengths of the carrier signal, allowing for a more exact calculation of distance.Moreover, the carrier phase is also used in differential GPS (DGPS) and Real-Time Kinematic (RTK) positioning. These techniques involve using multiple GPS receivers to correct errors in positioning. By comparing the carrier phase measurements from different stations, the system can eliminate errors caused by atmospheric disturbances or satellite clock errors. This results in highly accurate positioning solutions that are invaluable in fields such as surveying, agriculture, and autonomous vehicle navigation.The importance of carrier phase extends beyond just GPS. In telecommunications, it plays a vital role in modulation schemes such as Phase Shift Keying (PSK). In PSK, data is transmitted by changing the phase of the carrier signal. The carrier phase becomes the critical factor in determining how effectively data can be transmitted and received. Any phase shift in the signal can lead to errors in data interpretation, making the understanding of carrier phase essential for engineers and technicians working in the field.In conclusion, the carrier phase is a fundamental concept in both navigation and communication technologies. Its ability to enhance the accuracy of positioning systems and improve data transmission makes it an integral part of modern technology. As we continue to advance in these fields, a deeper understanding of carrier phase will undoubtedly lead to more innovations and improvements in how we connect and navigate our world. Thus, grasping the intricacies of carrier phase is not only beneficial but essential for anyone involved in these industries.

“载波相位”这一概念在电信和导航系统领域至关重要。要理解其重要性，我们首先必须探讨什么是载波信号。载波信号是经过调制的信息承载信号，旨在传递信息。简单来说，它充当了在距离上传输数据的载体。“载波相位”指的是在任何给定时间点上该载波波形的相位。这是信号处理的一个基本方面，特别是在GPS和卫星通信等系统中。例如，在GPS技术中，定位的准确性在很大程度上依赖于对“载波相位”的测量。当GPS接收器接收到来自卫星的信号时，它测量信号从卫星到接收器的传播时间。然而，由于大气条件和多径效应等各种因素，时间测量可能不准确。通过利用“载波相位”，它提供了信号相位的更精确测量，GPS系统可以实现厘米级的准确度。这是因为“载波相位”可以帮助区分载波信号的多个波长，从而允许更精确地计算距离。此外，“载波相位”还用于差分GPS（DGPS）和实时动态定位（RTK）。这些技术涉及使用多个GPS接收器来校正定位中的误差。通过比较不同站点的“载波相位”测量，系统可以消除由于大气干扰或卫星时钟误差造成的错误。这导致高精度的定位解决方案，在测量、农业和自动驾驶车辆导航等领域具有重要价值。“载波相位”的重要性不仅限于GPS。在电信中，它在相位键控（PSK）等调制方案中发挥着至关重要的作用。在PSK中，通过改变载波信号的相位来传输数据。“载波相位”成为决定数据传输和接收有效性的关键因素。信号中的任何相位变化都可能导致数据解释中的错误，因此理解“载波相位”对于在该领域工作的工程师和技术人员至关重要。总之，“载波相位”是导航和通信技术中的基本概念。它提高定位系统的准确性和改善数据传输的能力使其成为现代技术的重要组成部分。随着我们在这些领域的不断进步，对“载波相位”的深入理解无疑将导致我们在连接和导航世界方面的更多创新和改进。因此，掌握“载波相位”的复杂性对任何参与这些行业的人来说不仅有益，而且必不可少。