frequency jitter

简明释义

频率抖动

英英释义

Frequency jitter refers to the small, rapid variations in the frequency of a signal or waveform, often caused by noise or interference. It can lead to timing errors in digital communications and affect the performance of electronic systems.

频率抖动是指信号或波形频率的微小、快速变化,通常由噪声或干扰引起。它可能导致数字通信中的时序错误,并影响电子系统的性能。

例句

1.Testing revealed that the frequency jitter exceeded acceptable limits for the device.

测试显示该设备的频率抖动超过了可接受的限制。

2.In audio processing, frequency jitter can cause distortion in sound quality.

在音频处理过程中,频率抖动可能导致音质失真。

3.Engineers are working on reducing frequency jitter in the clock signal to improve system stability.

工程师们正在努力减少时钟信号中的频率抖动以提高系统稳定性。

4.The network performance was affected by significant frequency jitter, leading to dropped packets.

网络性能受到显著的频率抖动影响,导致数据包丢失。

5.The frequency jitter observed in the signal can lead to synchronization issues in communication systems.

信号中观察到的频率抖动可能导致通信系统中的同步问题。

作文

In the realm of electronics and telecommunications, the term frequency jitter refers to the small, rapid variations in the frequency of a signal. These fluctuations can significantly impact the performance of digital communication systems, particularly in high-speed applications. Understanding frequency jitter is crucial for engineers and designers who aim to optimize the reliability and efficiency of their systems. To grasp the concept of frequency jitter, it is essential to first understand what frequency means in this context. Frequency is the rate at which a periodic event occurs, typically measured in hertz (Hz). In digital communications, signals are often transmitted at specific frequencies to ensure that data is sent and received accurately. However, various factors can introduce deviations in these frequencies, leading to frequency jitter. The sources of frequency jitter can be numerous. For instance, temperature changes, power supply fluctuations, and electromagnetic interference can all contribute to these variations. Additionally, the inherent noise present in electronic circuits can also play a significant role in causing frequency jitter. When these small variations occur, they can lead to timing errors in data transmission, resulting in corrupted data or lost packets.Engineers must measure and analyze frequency jitter to mitigate its effects. One common method for assessing frequency jitter is through the use of oscilloscopes and spectrum analyzers. By examining the waveform of a signal, engineers can identify the extent of the jitter and determine its potential impact on system performance. This analysis allows for the implementation of corrective measures, such as the use of phase-locked loops (PLLs) or other synchronization techniques to stabilize the frequency.Moreover, the implications of frequency jitter extend beyond just data integrity. In high-performance applications, such as telecommunications and computer networking, even minor frequency deviations can lead to significant latency and reduced throughput. This is particularly critical in environments where real-time data processing is essential, such as in financial trading systems or streaming services. Therefore, minimizing frequency jitter is not only about maintaining data accuracy but also about ensuring optimal system performance.In conclusion, frequency jitter is a vital concept in the field of electronics and telecommunications. It represents the unpredictable variations in frequency that can disrupt data transmission and degrade system performance. By understanding the sources and consequences of frequency jitter, engineers can develop strategies to mitigate its effects, ultimately leading to more reliable and efficient communication systems. As technology continues to advance and the demand for high-speed data transmission grows, the importance of managing frequency jitter will only increase, making it an area of ongoing research and development in the engineering community.

频率抖动这个术语在电子和电信领域中指的是信号频率的小幅快速变化。这些波动会显著影响数字通信系统的性能,尤其是在高速应用中。理解频率抖动对工程师和设计师来说至关重要,他们旨在优化系统的可靠性和效率。要理解频率抖动的概念,首先必须理解在此背景下频率的含义。频率是周期性事件发生的速率,通常以赫兹(Hz)为单位。在数字通信中,信号通常以特定频率传输,以确保数据准确发送和接收。然而,各种因素可能引入这些频率的偏差,从而导致频率抖动频率抖动的来源可能有很多。例如,温度变化、电源波动和电磁干扰都可能导致这些变化。此外,电子电路中固有的噪声也可能在造成频率抖动中发挥重要作用。当这些小幅变化发生时,它们可能导致数据传输中的时序错误,导致数据损坏或丢失数据包。工程师必须测量和分析频率抖动以减轻其影响。一种常见的评估频率抖动的方法是使用示波器和频谱分析仪。通过检查信号的波形,工程师可以确定抖动的程度并确定其对系统性能的潜在影响。这种分析使得实施纠正措施成为可能,例如使用锁相环(PLL)或其他同步技术来稳定频率。此外,频率抖动的影响不仅仅局限于数据完整性。在高性能应用中,如电信和计算机网络,即使是微小的频率偏差也可能导致显著的延迟和吞吐量降低。这在实时数据处理至关重要的环境中尤为关键,例如金融交易系统或流媒体服务。因此,最小化频率抖动不仅关乎维护数据准确性,还关乎确保最佳系统性能。总之,频率抖动是电子和电信领域中的一个重要概念。它代表了可能干扰数据传输和降低系统性能的不可预测的频率变化。通过理解频率抖动的来源和后果,工程师可以制定减轻其影响的策略,最终导致更可靠和高效的通信系统。随着技术的不断进步和对高速数据传输需求的增长,管理频率抖动的重要性只会增加,使其成为工程界持续研究和发展的领域。

相关单词

frequency

frequency详解:怎么读、什么意思、用法