delay-lock loop

简明释义

迟延锁定环

英英释义

A delay-lock loop is a control system that synchronizes an output signal with a reference signal by adjusting the phase of the output signal based on a measured delay.

延迟锁定环是一种控制系统,通过根据测量的延迟调整输出信号的相位,将输出信号与参考信号同步。

例句

1.To achieve better performance, the team implemented a phase-locked delay-lock loop in their design.

为了获得更好的性能,团队在他们的设计中实现了相位锁定延迟锁定环路

2.In digital circuits, a delay-lock loop can help reduce jitter in data transmission.

在数字电路中,延迟锁定环路可以帮助减少数据传输中的抖动。

3.The engineers designed a new delay-lock loop to improve signal synchronization in the communication system.

工程师们设计了一个新的延迟锁定环路以改善通信系统中的信号同步。

4.The delay-lock loop is crucial for maintaining the stability of the clock signal in high-speed applications.

在高速应用中,延迟锁定环路对于维持时钟信号的稳定性至关重要。

5.The delay-lock loop technology is widely used in satellite communication systems.

延迟锁定环路技术广泛应用于卫星通信系统中。

作文

In the realm of electronics and communication systems, the concept of a delay-lock loop is crucial for understanding how signals are synchronized and processed. A delay-lock loop is a feedback control system that adjusts the timing of a signal based on the phase difference between an input signal and a reference signal. This technology is widely used in various applications, including telecommunications, data transmission, and digital signal processing. The primary function of a delay-lock loop is to ensure that the output signal maintains a specific phase relationship with the input signal. This is particularly important in systems where timing is critical, such as in clock recovery circuits for data communication. By accurately locking onto the delay of the incoming signal, the delay-lock loop can effectively minimize jitter and improve the overall quality of the transmitted data.To understand how a delay-lock loop operates, it is essential to break down its components. Typically, a delay-lock loop consists of a phase detector, a delay line, and a feedback mechanism. The phase detector compares the phase of the input signal with the phase of the delayed version of itself. If there is a discrepancy, the phase detector generates an error signal that is used to adjust the delay line. This process continues until the phases are aligned, effectively 'locking' the system.One of the key advantages of using a delay-lock loop is its ability to adapt to variations in the input signal's characteristics. For instance, in a telecommunications environment, signals may experience fluctuations due to noise, interference, or changes in the transmission medium. The delay-lock loop dynamically adjusts to these changes, ensuring consistent performance and reliability.Furthermore, the implementation of a delay-lock loop can lead to significant improvements in system efficiency. By reducing the errors associated with signal timing, systems can achieve higher data rates and improved error rates. This is particularly beneficial in high-speed communication systems where even minor timing discrepancies can lead to substantial data loss.Despite its advantages, designing an effective delay-lock loop comes with challenges. Engineers must consider factors such as the loop bandwidth, stability, and response time. A well-designed loop must strike a balance between responsiveness and stability to prevent oscillations or instability in the system. Additionally, the choice of components and their specifications can greatly impact the performance of the delay-lock loop.In conclusion, the delay-lock loop is a vital component in modern electronic systems, playing a pivotal role in maintaining signal integrity and synchronization. Its ability to adapt to varying conditions and improve system performance makes it an indispensable tool in telecommunications and digital signal processing. As technology continues to evolve, the importance of mastering concepts like the delay-lock loop will remain paramount for engineers and professionals in the field. Understanding its operation and applications will not only enhance one's knowledge but also contribute to the development of more sophisticated and efficient communication systems.

在电子和通信系统领域,延迟锁定环路的概念对理解信号如何同步和处理至关重要。延迟锁定环路是一种反馈控制系统,根据输入信号与参考信号之间的相位差来调整信号的时序。这项技术在各种应用中广泛使用,包括电信、数据传输和数字信号处理。延迟锁定环路的主要功能是确保输出信号与输入信号保持特定的相位关系。这在时序至关重要的系统中尤其重要,例如数据通信中的时钟恢复电路。通过准确锁定进入信号的延迟,延迟锁定环路可以有效地最小化抖动并提高传输数据的整体质量。要理解延迟锁定环路的工作原理,必须拆分其组件。通常,延迟锁定环路由相位检测器、延迟线和反馈机制组成。相位检测器比较输入信号与其自身延迟版本的相位。如果存在差异,相位检测器会生成一个误差信号,用于调整延迟线。这个过程会持续进行,直到相位对齐,从而有效地“锁定”系统。使用延迟锁定环路的一个关键优势是其适应输入信号特性变化的能力。例如,在电信环境中,由于噪声、干扰或传输介质的变化,信号可能会经历波动。延迟锁定环路动态适应这些变化,确保一致的性能和可靠性。此外,实施延迟锁定环路可以显著提高系统效率。通过减少与信号时序相关的错误,系统可以实现更高的数据传输速率和更好的错误率。这在高速通信系统中尤其有益,因为即使是微小的时序差异也可能导致大量数据丢失。尽管有其优势,设计有效的延迟锁定环路仍然面临挑战。工程师必须考虑诸如环路带宽、稳定性和响应时间等因素。设计良好的环路必须在响应性和稳定性之间取得平衡,以防止系统中的振荡或不稳定。此外,组件的选择及其规格也会极大影响延迟锁定环路的性能。总之,延迟锁定环路是现代电子系统中的重要组成部分,在维护信号完整性和同步方面发挥着关键作用。它适应变化条件和提高系统性能的能力使其成为电信和数字信号处理中的不可或缺的工具。随着技术的不断发展,掌握像延迟锁定环路这样的概念对工程师和专业人士来说将始终至关重要。理解其操作和应用不仅会增强个人知识,也将有助于开发更复杂和高效的通信系统。