phase locked detection

简明释义

锁相

英英释义

例句

1.Using phase locked detection, the system can maintain synchronization with the reference signal.

通过使用相位锁定检测，系统可以与参考信号保持同步。

2.The engineers improved the performance of the oscillator using phase locked detection techniques.

工程师们通过使用相位锁定检测技术提高了振荡器的性能。

3.The radar system employs phase locked detection to accurately track moving targets.

雷达系统采用相位锁定检测来准确跟踪移动目标。

4.In telecommunications, phase locked detection is crucial for recovering the signal from noise.

在电信中，相位锁定检测对于从噪声中恢复信号至关重要。

5.The application of phase locked detection in audio processing enhances sound quality.

在音频处理中的相位锁定检测应用提高了音质。

作文

In the field of signal processing, one of the crucial techniques employed is known as phase locked detection. This method plays an essential role in various applications, ranging from telecommunications to radar systems. To fully appreciate the significance of phase locked detection, it is important to understand its underlying principles and how it operates in real-world scenarios.At its core, phase locked detection refers to a technique that synchronizes a local oscillator with the phase of an incoming signal. This synchronization allows for accurate detection of the signal's frequency and phase, which is vital in demodulating signals that carry information. The process typically involves a phase-locked loop (PLL), which continuously adjusts the frequency and phase of the local oscillator to match that of the incoming signal.One of the primary advantages of phase locked detection is its ability to filter out noise. In many communication systems, signals can be distorted by various forms of interference, leading to loss of information. However, by using phase locked detection, the system can focus on the desired signal while effectively ignoring the noise. This capability significantly enhances the reliability and clarity of the transmitted data.Another important aspect of phase locked detection is its application in frequency modulation (FM) and phase modulation (PM) systems. In these systems, information is encoded in the frequency or phase of a carrier wave. By employing phase locked detection, receivers can accurately extract the original information from the modulated signal, ensuring effective communication.Moreover, phase locked detection is not limited to just communication technologies; it is also widely used in radar and navigation systems. For instance, in radar applications, phase locked detection helps in tracking moving objects by maintaining a fixed relationship between the transmitted and received signals. This capability is crucial for determining the speed and direction of targets, making it invaluable in defense and aviation sectors.The implementation of phase locked detection has evolved over the years, with advancements in digital signal processing enabling more sophisticated algorithms and techniques. Modern systems utilize high-speed processors and advanced filtering techniques to enhance the performance of phase locked detection. These developments have led to improved accuracy and efficiency, allowing for the handling of complex signals in real-time applications.In conclusion, phase locked detection is a vital technique in the realm of signal processing, offering numerous benefits across various industries. Its ability to synchronize signals, filter out noise, and accurately demodulate information makes it an indispensable tool in modern communication and radar systems. As technology continues to advance, the importance of phase locked detection will only grow, paving the way for more reliable and efficient systems in the future.

在信号处理领域，采用的一项重要技术被称为相位锁定检测。这种方法在电信到雷达系统等各种应用中发挥着至关重要的作用。要充分理解相位锁定检测的重要性，了解其基本原理以及如何在现实场景中运作是非常重要的。相位锁定检测的核心是将本地振荡器与输入信号的相位进行同步。这种同步使得能够准确检测信号的频率和相位，这对于解调携带信息的信号至关重要。该过程通常涉及一个相位锁定环（PLL），它不断调整本地振荡器的频率和相位，以匹配输入信号的频率和相位。相位锁定检测的主要优点之一是其过滤噪声的能力。在许多通信系统中，信号可能会受到各种干扰形式的扭曲，从而导致信息丢失。然而，通过使用相位锁定检测，系统可以专注于所需信号，同时有效忽略噪声。这种能力显著增强了传输数据的可靠性和清晰度。相位锁定检测的另一个重要方面是其在频率调制（FM）和相位调制（PM）系统中的应用。在这些系统中，信息被编码在载波波的频率或相位中。通过采用相位锁定检测，接收器可以准确提取从调制信号中恢复的原始信息，从而确保有效的通信。此外，相位锁定检测不仅限于通信技术；它还广泛应用于雷达和导航系统。例如，在雷达应用中，相位锁定检测通过保持发射信号和接收信号之间的固定关系来帮助跟踪移动物体。这种能力对于确定目标的速度和方向至关重要，使其在国防和航空部门中不可或缺。随着数字信号处理的进步，相位锁定检测的实现也经历了演变，促成了更复杂的算法和技术的出现。现代系统利用高速处理器和先进的滤波技术来提高相位锁定检测的性能。这些发展导致了精确度和效率的提高，使得能够实时处理复杂信号。总之，相位锁定检测是在信号处理领域一项重要的技术，为各个行业提供了众多好处。其同步信号、过滤噪声和准确解调信息的能力使其成为现代通信和雷达系统中不可或缺的工具。随着技术的不断进步，相位锁定检测的重要性只会增加，为未来更可靠和高效的系统铺平道路。