frequency jitter

简明释义

频率颤动

英英释义

例句

1.To minimize frequency jitter, we used advanced filtering techniques.

为了最小化频率抖动，我们使用了先进的滤波技术。

2.The frequency jitter observed in the clock signal led to synchronization issues.

时钟信号中观察到的频率抖动导致了同步问题。

3.The testing revealed high levels of frequency jitter, impacting the overall performance.

测试显示出高水平的频率抖动，影响了整体性能。

4.The frequency jitter in the signal caused significant distortion during transmission.

信号中的频率抖动导致传输过程中发生了显著的失真。

5.Engineers must address frequency jitter to ensure reliable communication systems.

工程师们必须解决频率抖动问题，以确保通信系统的可靠性。

作文

In the realm of electronics and telecommunications, the concept of frequency jitter plays a crucial role in determining the performance and reliability of various systems. Frequency jitter refers to the small, rapid variations in the frequency of a signal over time. These fluctuations can result from various factors, including thermal noise, power supply variations, and interference from other signals. Understanding frequency jitter is essential for engineers and designers working with communication systems, as it can significantly impact the quality of data transmission and overall system functionality.To illustrate the importance of frequency jitter, consider a scenario in digital communications where data is transmitted over a network. The transmitter sends out a specific frequency signal that represents the data being sent. However, due to frequency jitter, the actual frequency of the signal may deviate slightly from the intended frequency. This deviation can lead to misinterpretation of the data at the receiving end, resulting in errors and degraded performance.Moreover, frequency jitter can affect the synchronization between different components within a system. For instance, in a clocked circuit, if the clock signal experiences frequency jitter, it may cause timing issues that disrupt the proper operation of the circuit. Such timing errors can have cascading effects, leading to system failures or reduced efficiency.Engineers often employ various techniques to mitigate the effects of frequency jitter. One common method is the use of phase-locked loops (PLLs), which help stabilize the frequency of signals by comparing them to a reference frequency. By locking onto a stable reference, PLLs can reduce the impact of frequency jitter and ensure that signals remain within acceptable limits.Additionally, careful circuit design and layout can minimize the sources of frequency jitter. For example, using proper grounding techniques and shielding can help reduce electromagnetic interference, which is a significant contributor to frequency jitter. Furthermore, selecting high-quality components with low noise characteristics can also enhance the overall stability of the system.In summary, frequency jitter is a critical phenomenon in the field of electronics and telecommunications that can have profound implications on system performance. Understanding its causes and effects allows engineers to design more reliable and efficient systems. As technology continues to evolve and the demand for high-speed data transmission increases, addressing frequency jitter will remain a top priority for engineers and researchers alike. By employing advanced techniques and best practices, it is possible to minimize the impact of frequency jitter and ensure robust communication systems that meet the needs of modern applications.

频率抖动在电子和电信领域中扮演着至关重要的角色，决定了各种系统的性能和可靠性。频率抖动是指信号频率随时间的小幅快速变化。这些波动可能由多种因素导致，包括热噪声、电源波动以及其他信号的干扰。理解频率抖动对于从事通信系统的工程师和设计师至关重要，因为它会显著影响数据传输的质量和整体系统功能。为了说明频率抖动的重要性，考虑一个数字通信场景，其中数据通过网络传输。发射器发送出代表所发送数据的特定频率信号。然而，由于频率抖动，信号的实际频率可能会略微偏离预定频率。这种偏差可能导致接收端对数据的误解，导致错误和性能下降。此外，频率抖动还会影响系统内不同组件之间的同步。例如，在时钟电路中，如果时钟信号经历频率抖动，则可能导致时序问题，从而干扰电路的正常操作。这种时序错误可能产生连锁反应，导致系统故障或效率降低。工程师通常采用各种技术来减轻频率抖动的影响。一种常见的方法是使用锁相环（PLL），通过将信号与参考频率进行比较，帮助稳定信号的频率。通过锁定到稳定的参考信号，PLL可以减少频率抖动的影响，确保信号保持在可接受的范围内。此外，精心的电路设计和布局可以最小化频率抖动的来源。例如，使用适当的接地技术和屏蔽可以帮助减少电磁干扰，而电磁干扰是造成频率抖动的重要因素。此外，选择具有低噪声特性的高质量组件也可以增强系统的整体稳定性。总之，频率抖动是电子和电信领域中的一个关键现象，对系统性能有深远影响。理解其原因和影响使工程师能够设计出更可靠和高效的系统。随着技术的不断发展和对高速数据传输需求的增加，解决频率抖动将始终是工程师和研究人员的首要任务。通过采用先进的技术和最佳实践，可以最小化频率抖动的影响，确保符合现代应用需求的稳健通信系统。