phase-locked detection

简明释义

相位同步检波

英英释义

例句

1.In telecommunications, phase-locked detection is crucial for maintaining signal integrity.

在电信中，相位锁定检测对于保持信号完整性至关重要。

2.By using phase-locked detection, we can improve the accuracy of frequency measurements in our experiments.

通过使用相位锁定检测，我们可以提高实验中频率测量的准确性。

3.The researchers implemented phase-locked detection algorithms to enhance the performance of their optical systems.

研究人员实施了相位锁定检测算法，以增强其光学系统的性能。

4.The new radar system utilizes phase-locked detection to accurately track moving targets.

新雷达系统利用相位锁定检测准确追踪移动目标。

5.The audio processing software features phase-locked detection to eliminate noise from recordings.

该音频处理软件具有相位锁定检测功能，以消除录音中的噪声。

作文

In the realm of signal processing, one of the most crucial techniques used for extracting information from signals is known as phase-locked detection. This method is particularly significant in various applications such as telecommunications, radar systems, and even in music technology. To understand the importance of phase-locked detection (相位锁定检测), we must delve into its fundamental principles and real-world applications.The core concept behind phase-locked detection lies in its ability to synchronize with a reference signal. Essentially, it involves tracking the phase of a signal in order to extract useful information while minimizing the effects of noise. This is achieved by using a phase-locked loop (PLL), which is a control system that generates an output signal whose phase is related to the phase of an input signal. By doing so, it can effectively filter out unwanted noise and improve the clarity of the desired signal.One of the key advantages of phase-locked detection is its robustness against variations in signal amplitude and frequency. In many communication systems, signals can be distorted due to various factors such as interference or fading. However, because phase-locked detection focuses on the phase rather than the amplitude, it can maintain accurate detection even under less-than-ideal conditions. This characteristic makes it invaluable in environments where signal integrity is compromised.Furthermore, phase-locked detection plays a significant role in digital communications. For instance, in phase-shift keying (PSK) modulation schemes, data is transmitted by varying the phase of a carrier wave. A receiver that employs phase-locked detection can accurately demodulate the incoming signal by locking onto the phase of the carrier wave. This allows for efficient data recovery and contributes to higher data rates in communication systems.In addition to telecommunications, phase-locked detection is also essential in radar systems. Radar relies on the reflection of radio waves off objects to determine their distance and speed. By utilizing phase-locked detection, radar systems can precisely measure the phase shift of the returned signals, allowing for accurate target tracking and identification. This application is critical in fields such as aviation, maritime navigation, and defense.Moreover, the music industry has also benefited from phase-locked detection. In synthesizers and audio processing, this technique can be used to synchronize different sound sources, ensuring that they play in harmony. By maintaining phase coherence, musicians and producers can create more complex and rich soundscapes, enhancing the overall listening experience.In conclusion, phase-locked detection (相位锁定检测) is a powerful technique that has far-reaching implications across various fields. Its ability to lock onto the phase of signals allows for improved signal clarity and robustness, making it an indispensable tool in modern technology. Whether in telecommunications, radar systems, or music production, the applications of phase-locked detection continue to evolve, demonstrating its critical role in the advancement of signal processing methodologies. As technology progresses, the importance of mastering techniques like phase-locked detection will only grow, paving the way for innovation and enhanced communication capabilities.

在信号处理领域，提取信号信息的关键技术之一被称为相位锁定检测。这种方法在电信、雷达系统甚至音乐技术等各种应用中尤为重要。要理解相位锁定检测的重要性，我们必须深入探讨其基本原理和实际应用。相位锁定检测的核心概念在于其与参考信号同步的能力。基本上，它涉及到跟踪信号的相位，以提取有用信息，同时最小化噪声的影响。这是通过使用相位锁定环（PLL）来实现的，这是一种控制系统，生成的输出信号与输入信号的相位相关。通过这样做，它可以有效地过滤掉不必要的噪声，提高所需信号的清晰度。相位锁定检测的一个主要优点是它对信号幅度和频率变化的鲁棒性。在许多通信系统中，由于干扰或衰落等各种因素，信号可能会失真。然而，由于相位锁定检测关注的是相位而不是幅度，即使在不理想的条件下，它也能保持准确的检测。这一特性使其在信号完整性受到损害的环境中显得尤为宝贵。此外，相位锁定检测在数字通信中也扮演着重要角色。例如，在相位调制（PSK）调制方案中，数据通过改变载波波的相位进行传输。采用相位锁定检测的接收器能够通过锁定载波波的相位来准确解调输入信号。这允许高效的数据恢复，并有助于提高通信系统中的数据传输速率。除了电信，相位锁定检测在雷达系统中也至关重要。雷达依赖于无线电波反射物体来确定其距离和速度。通过利用相位锁定检测，雷达系统可以精确测量返回信号的相位偏移，从而实现准确的目标跟踪和识别。这一应用在航空、海洋导航和国防等领域至关重要。此外，音乐行业也受益于相位锁定检测。在合成器和音频处理过程中，这项技术可用于同步不同的声音源，确保它们和谐地演奏。通过保持相位一致性，音乐家和制作人可以创造出更复杂和丰富的音景，增强整体听觉体验。总之，相位锁定检测（相位锁定检测）是一种强大的技术，在各个领域具有深远的影响。它锁定信号相位的能力提高了信号的清晰度和鲁棒性，使其成为现代技术中不可或缺的工具。无论是在电信、雷达系统还是音乐制作中，相位锁定检测的应用持续发展，展示了其在信号处理方法进步中的关键作用。随着技术的进步，掌握像相位锁定检测这样的技术的重要性只会增加，为创新和增强的通信能力铺平道路。