phase jitter

简明释义

相位择动

英英释义

例句

1.To improve performance, we need to minimize the phase jitter 相位抖动 in our digital circuits.

为了提高性能，我们需要最小化数字电路中的phase jitter 相位抖动。

2.The engineer explained that the phase jitter 相位抖动 in the clock signal could lead to data corruption.

工程师解释说，时钟信号中的phase jitter 相位抖动可能导致数据损坏。

3.High phase jitter 相位抖动 can cause synchronization issues in communication systems.

高phase jitter 相位抖动可能导致通信系统中的同步问题。

4.The testing showed that the phase jitter 相位抖动 was within acceptable limits.

测试表明，phase jitter 相位抖动在可接受的范围内。

5.The design team focused on reducing phase jitter 相位抖动 to enhance signal integrity.

设计团队专注于减少phase jitter 相位抖动以增强信号完整性。

作文

In the field of electronics and telecommunications, precise timing is crucial for the effective transmission of data. One of the significant challenges faced in these domains is the phenomenon known as phase jitter. 相位抖动 refers to the small, rapid variations in the phase of a signal, which can lead to errors in data interpretation and transmission. Understanding phase jitter is essential for engineers and technicians who strive to maintain signal integrity in various applications such as digital communications, audio processing, and video transmission.To grasp the concept of phase jitter, it is important to first understand what 'phase' means in a signal context. The phase of a signal describes its position in time relative to a reference point. In ideal conditions, signals would have a consistent phase, allowing for accurate synchronization between transmitting and receiving devices. However, in real-world applications, several factors can introduce variations in this phase, leading to phase jitter.Several causes contribute to phase jitter. For instance, temperature fluctuations can cause changes in electronic components, affecting their performance. Additionally, electromagnetic interference from nearby devices can disrupt the timing of signals, resulting in jitter. Moreover, the inherent limitations of digital circuits, such as clock skew and propagation delays, also play a significant role in introducing phase jitter.The implications of phase jitter are profound, particularly in high-speed communication systems. When phase jitter occurs, it can lead to misalignment of bits during data transmission. This misalignment can result in bit errors, where the receiver interprets a '1' as a '0' or vice versa. In applications where data integrity is paramount, such as financial transactions or medical data transfer, even a small amount of phase jitter can have significant consequences.To mitigate the effects of phase jitter, engineers employ various techniques. One common method is the use of phase-locked loops (PLLs), which help stabilize the phase of a signal by synchronizing it with a reference clock. By continuously adjusting the output frequency to match the input frequency, PLLs can effectively reduce the impact of phase jitter on signal quality. Additionally, implementing error-correction codes can help detect and correct any errors caused by phase jitter, further enhancing the reliability of data transmission.In conclusion, understanding phase jitter and its implications is vital for anyone working in fields related to electronics and telecommunications. As technology continues to advance and the demand for higher data rates increases, addressing phase jitter becomes even more critical. By employing effective strategies to manage phase jitter, engineers can ensure that data transmission remains accurate and reliable, ultimately contributing to the efficiency and effectiveness of modern communication systems.

在电子和电信领域，精确的时序对于有效的数据传输至关重要。面临的一个重大挑战是被称为相位抖动的现象。相位抖动指的是信号相位的小幅快速变化，这可能导致数据解释和传输中的错误。理解相位抖动对于努力维持各种应用（如数字通信、音频处理和视频传输）中信号完整性的工程师和技术人员来说至关重要。要理解相位抖动的概念，首先需要了解在信号上下文中“相位”是什么意思。信号的相位描述其相对于参考点的时间位置。在理想条件下，信号将具有一致的相位，从而允许发送设备和接收设备之间的准确同步。然而，在现实应用中，多个因素可能会引入这种相位的变化，导致相位抖动。多个原因导致了相位抖动的产生。例如，温度波动可能导致电子元件性能的变化。此外，来自附近设备的电磁干扰也会干扰信号的时序，从而导致抖动。此外，数字电路的固有限制，如时钟偏移和传播延迟，也在引入相位抖动中发挥了重要作用。相位抖动的影响是深远的，特别是在高速通信系统中。当发生相位抖动时，它可能导致数据传输过程中比特的错位。这种错位可能导致比特错误，即接收方将“1”解释为“0”或反之。在数据完整性至关重要的应用中，例如金融交易或医疗数据传输，即使少量的相位抖动也可能产生重大后果。为了减轻相位抖动的影响，工程师采用各种技术。一种常见的方法是使用锁相环（PLLs），它通过与参考时钟同步来帮助稳定信号的相位。通过持续调整输出频率以匹配输入频率，PLL能够有效减少相位抖动对信号质量的影响。此外，实施错误更正代码可以帮助检测和纠正因相位抖动造成的任何错误，进一步增强数据传输的可靠性。总之，对于任何从事电子和电信相关领域的人来说，理解相位抖动及其影响至关重要。随着技术的不断进步和对更高数据速率的需求增加，解决相位抖动的问题变得更加关键。通过采用有效的策略来管理相位抖动，工程师可以确保数据传输保持准确可靠，最终有助于现代通信系统的效率和有效性。