synchronous detector

简明释义

同步检波器

英英释义

A synchronous detector is an electronic device that demodulates a signal by mixing it with a reference signal that is phase-locked to the original carrier frequency.

同步检测器是一种电子设备,通过将信号与与原始载波频率相位锁定的参考信号混合来解调信号。

例句

1.The synchronous detector 同步检测器 was integrated into the new digital receiver design.

同步检测器 同步检测器被集成到新的数字接收器设计中。

2.The engineer explained how the synchronous detector 同步检测器 improves signal clarity in communication systems.

工程师解释了如何使用同步检测器 同步检测器提高通信系统中的信号清晰度。

3.The performance of the synchronous detector 同步检测器 can significantly affect the overall system efficiency.

性能的好坏会显著影响整体系统效率的同步检测器 同步检测器

4.In radar technology, a synchronous detector 同步检测器 is essential for accurately measuring distance.

在雷达技术中,同步检测器 同步检测器对于准确测量距离至关重要。

5.Using a synchronous detector 同步检测器 allows for better phase detection in various applications.

使用同步检测器 同步检测器可以在各种应用中实现更好的相位检测。

作文

In the realm of electronics and signal processing, the term synchronous detector refers to a device that is used to extract information from a modulated carrier wave. This technique is essential in various applications, including telecommunications, radio broadcasting, and even in modern digital communication systems. The primary function of a synchronous detector is to demodulate signals with high accuracy, which is crucial for ensuring that the transmitted information is received correctly and efficiently.The operation of a synchronous detector is based on the principle of mixing the incoming signal with a reference signal that is synchronized in phase with the carrier wave. By doing so, the detector can effectively isolate the desired information signal from the noise and other unwanted components present in the received signal. This synchronization allows for improved signal-to-noise ratios, making it easier to retrieve the original message.One of the key advantages of using a synchronous detector is its ability to perform well in low signal-to-noise environments. Traditional detectors, such as envelope detectors, may struggle under these conditions, leading to distorted or lost information. In contrast, synchronous detectors maintain their performance even when the signal is weak, thanks to their reliance on phase coherence. This makes them particularly valuable in applications where signal integrity is paramount, such as in medical imaging and radar systems.Moreover, synchronous detectors can be implemented in both analog and digital forms, allowing for flexibility in design and application. In analog systems, they often utilize mixers and filters to achieve the desired demodulation. On the other hand, digital implementations may involve algorithms that process the signal in the digital domain, offering further enhancements in performance and functionality.The importance of synchronous detectors cannot be overstated, especially in today's fast-paced technological landscape. As communication systems evolve and demand higher data rates and better reliability, the role of these detectors becomes increasingly critical. They are integral to the functioning of advanced modulation schemes, such as quadrature amplitude modulation (QAM) and phase-shift keying (PSK), which are widely used in modern wireless communication technologies.In conclusion, the synchronous detector is a vital component in the field of signal processing, enabling the extraction of meaningful information from complex modulated signals. Its ability to operate effectively in challenging conditions sets it apart from traditional detection methods, making it an essential tool in various high-tech applications. As technology continues to advance, the significance of synchronous detectors will only grow, paving the way for more robust and efficient communication systems that can meet the demands of an increasingly connected world.

在电子和信号处理领域,术语synchronous detector(同步检测器)指的是一种用于从调制载波中提取信息的设备。这种技术在各种应用中至关重要,包括电信、广播以及现代数字通信系统。synchronous detector的主要功能是以高精度对信号进行解调,这对于确保传输的信息被正确和高效地接收至关重要。synchronous detector的操作基于将输入信号与与载波同步的参考信号混合的原理。通过这样做,检测器可以有效地将所需的信息信号与接收到的信号中存在的噪声和其他不必要的成分隔离开来。这种同步性提高了信噪比,使得恢复原始消息变得更加容易。使用synchronous detector的一个关键优势是其在低信噪环境下的良好表现。传统检测器,如包络检测器,在这些条件下可能会遇到困难,从而导致信息失真或丢失。相比之下,synchronous detectors即使在信号较弱的情况下也能保持其性能,这要归功于其对相位一致性的依赖。这使得它们在信号完整性至关重要的应用中尤为宝贵,例如医学成像和雷达系统。此外,synchronous detectors可以以模拟和数字形式实现,从而在设计和应用上提供灵活性。在模拟系统中,它们通常利用混频器和滤波器来实现所需的解调。另一方面,数字实现可能涉及在数字域中处理信号的算法,进一步增强性能和功能。synchronous detector的重要性不可低估,尤其是在当今快速发展的技术环境中。随着通信系统的发展,对更高数据速率和更好可靠性的需求,synchronous detectors的角色变得越来越关键。它们是先进调制方案的核心,例如正交振幅调制(QAM)和相位键控(PSK),这些方案在现代无线通信技术中得到广泛应用。总之,synchronous detector是信号处理领域中的一个重要组成部分,使得从复杂调制信号中提取有意义的信息成为可能。其在困难条件下有效操作的能力使其与传统检测方法区别开来,使其成为各种高科技应用中的必备工具。随着技术的不断进步,synchronous detectors的重要性只会增加,为能够满足日益互联世界需求的更强大和高效的通信系统铺平道路。

相关单词

synchronous

synchronous详解:怎么读、什么意思、用法

detector

detector详解:怎么读、什么意思、用法