phase-locked detector

简明释义

同相检波器

英英释义

A phase-locked detector is an electronic circuit that synchronizes its output signal with the phase of an input signal, allowing for the extraction of information such as frequency or phase shifts.

锁相检测器是一种电子电路,它使输出信号与输入信号的相位同步,从而能够提取频率或相位变化等信息。

例句

1.The engineer explained how the phase-locked detector 相位锁定检测器 works in synchronizing signals.

工程师解释了如何使用相位锁定检测器 phase-locked detector 来同步信号。

2.In telecommunications, a phase-locked detector 相位锁定检测器 is crucial for maintaining signal integrity.

在电信中,相位锁定检测器 phase-locked detector 对于保持信号完整性至关重要。

3.The phase-locked detector 相位锁定检测器 can improve the performance of frequency modulation systems.

相位锁定检测器 phase-locked detector 可以提高频率调制系统的性能。

4.The phase-locked detector 相位锁定检测器 is essential for recovering clock signals in digital communications.

相位锁定检测器 phase-locked detector 对于在数字通信中恢复时钟信号至关重要。

5.We implemented a phase-locked detector 相位锁定检测器 in our radar system to enhance target tracking.

我们在雷达系统中实施了相位锁定检测器 phase-locked detector 以增强目标跟踪能力。

作文

In the field of electronics and communication, the term phase-locked detector refers to a crucial component used in various systems that require synchronization between signals. A phase-locked detector is designed to detect the phase difference between an input signal and a reference signal, enabling it to lock onto the phase of the input signal. This functionality is essential in numerous applications, including radio transmission, television broadcasting, and data communication systems.The working principle of a phase-locked detector involves the use of feedback mechanisms. When the input signal and the reference signal are not in phase, the detector generates an error signal that indicates the phase difference. This error signal is then used to adjust the frequency of a local oscillator within the system until the two signals are aligned in phase. Once locked, the output of the phase-locked detector can provide a stable reference for other components in the system, ensuring consistent performance.One of the most significant advantages of using a phase-locked detector is its ability to improve signal integrity. In communication systems, maintaining a stable phase relationship between signals is critical for minimizing errors and maximizing data throughput. For instance, in digital communication, if the phase of the received signal drifts due to noise or other interferences, the phase-locked detector can quickly correct this drift, allowing for accurate data recovery.Moreover, phase-locked detectors are integral to frequency synthesis applications, where they are used to generate precise frequencies by locking onto a reference frequency. This capability is particularly important in applications such as GPS technology, where accurate timing and frequency generation are vital for determining location. By utilizing a phase-locked detector, engineers can create highly stable frequency sources that enhance the overall performance of the system.In addition to telecommunications, phase-locked detectors find applications in various fields, including instrumentation and control systems. They can be employed in phase-locked loops (PLLs), which are widely used for demodulating signals in FM radio receivers. The PLL utilizes a phase-locked detector to track the frequency of the incoming signal, allowing for effective demodulation and improved audio quality.Furthermore, advancements in technology have led to the development of more sophisticated phase-locked detectors, such as those that operate at microwave frequencies. These detectors are essential in radar systems and satellite communications, where high-frequency signals must be accurately processed and analyzed. As technology continues to evolve, the role of phase-locked detectors in modern electronic systems will only become more prominent.In conclusion, the phase-locked detector is a vital component in the realm of electronics and communication. Its ability to synchronize signals and maintain phase relationships plays a significant role in enhancing the performance of various systems. From improving signal integrity in communication networks to generating precise frequencies for advanced technologies, the importance of phase-locked detectors cannot be overstated. As we continue to innovate and push the boundaries of technology, understanding and mastering the principles behind phase-locked detectors will be essential for engineers and technicians alike.

在电子和通信领域,短语相位锁定检测器指的是在需要信号同步的各种系统中使用的重要组件。相位锁定检测器旨在检测输入信号与参考信号之间的相位差,从而使其能够锁定输入信号的相位。这一功能在无线电传输、电视广播和数据通信系统等众多应用中至关重要。相位锁定检测器的工作原理涉及反馈机制。当输入信号和参考信号不同步时,检测器会产生一个误差信号,指示相位差。然后,这个误差信号用于调整系统中本地振荡器的频率,直到两个信号的相位对齐。一旦锁定,相位锁定检测器的输出可以为系统中的其他组件提供稳定的参考,从而确保一致的性能。使用相位锁定检测器的一个显著优势是其提高信号完整性的能力。在通信系统中,保持信号之间稳定的相位关系对于最小化错误和最大化数据吞吐量至关重要。例如,在数字通信中,如果接收信号的相位因噪声或其他干扰而漂移,相位锁定检测器可以迅速纠正这种漂移,从而实现准确的数据恢复。此外,相位锁定检测器在频率合成应用中也至关重要,它们用于通过锁定到参考频率来生成精确的频率。这种能力在GPS技术等应用中尤为重要,因为准确的定时和频率生成对于确定位置至关重要。通过利用相位锁定检测器,工程师可以创建高度稳定的频率源,从而增强系统的整体性能。除了电信,相位锁定检测器还广泛应用于仪器和控制系统中。它们可以用于相位锁定环(PLL),该环广泛用于FM收音机接收器中的信号解调。PLL利用相位锁定检测器跟踪传入信号的频率,从而实现有效的解调并改善音频质量。此外,技术的进步导致了更复杂的相位锁定检测器的发展,例如那些在微波频率下工作的检测器。这些检测器在雷达系统和卫星通信中至关重要,其中高频信号必须被准确处理和分析。随着技术的不断发展,相位锁定检测器在现代电子系统中的作用只会变得更加突出。总之,相位锁定检测器是电子和通信领域中的一个重要组成部分。其同步信号和维持相位关系的能力在提升各类系统性能方面发挥着重要作用。从提高通信网络中的信号完整性到为先进技术生成精确频率,相位锁定检测器的重要性不容小觑。随着我们继续创新并推动技术的边界,理解和掌握相位锁定检测器背后的原理将对工程师和技术人员至关重要。

相关单词

detector

detector详解:怎么读、什么意思、用法