phase delay

简明释义

相位滞后

英英释义

例句

1.In this circuit, the phase delay 相位延迟 is crucial for synchronizing the output with the input.

在这个电路中，相位延迟 phase delay 对于输出与输入的同步至关重要。

2.Engineers often analyze phase delay 相位延迟 when designing communication systems.

工程师在设计通信系统时通常会分析相位延迟 phase delay。

3.We need to measure the phase delay 相位延迟 to ensure the stability of the feedback loop.

我们需要测量相位延迟 phase delay以确保反馈回路的稳定性。

4.The phase delay 相位延迟 introduced by the filter can lead to distortion in the audio signal.

滤波器引入的相位延迟 phase delay可能导致音频信号失真。

5.The signal processing system experiences a significant phase delay 相位延迟 which affects the overall performance.

信号处理系统经历了显著的相位延迟 phase delay，这影响了整体性能。

作文

In the realm of physics and engineering, the concept of phase delay (相位延迟) plays a crucial role in understanding wave behavior and signal processing. When we observe waves, whether they are sound waves, electromagnetic waves, or any other type of oscillation, we often notice that they do not all reach their peaks at the same time. This phenomenon can be attributed to the phase delay (相位延迟) that occurs due to various factors such as medium properties, frequency differences, and even the distance between the source and the observer.To illustrate this concept further, let's consider a simple example involving two speakers playing the same sound at slightly different times. If one speaker is positioned closer to the listener than the other, the sound waves from the nearer speaker will arrive first. The difference in arrival times creates a phase delay (相位延迟) between the two sound waves. This delay can affect how the listener perceives the sound, leading to a phenomenon known as interference, where the waves may amplify or cancel each other out depending on their phase relationship.In signal processing, phase delay (相位延迟) is an essential parameter when analyzing filters and systems. For instance, in digital communications, signals are often modified by filters that intentionally introduce phase delay (相位延迟) to achieve desired characteristics. Understanding how phase delay (相位延迟) affects the overall signal is vital for engineers to design systems that maintain signal integrity and minimize distortion.Moreover, the application of phase delay (相位延迟) extends beyond audio and communication technologies. In optics, for example, phase delay (相位延迟) is critical when dealing with light waves. When light passes through different materials, its speed changes, resulting in a phase delay (相位延迟) that alters the light's path. This principle is utilized in various optical devices, including lenses and prisms, which manipulate light for applications ranging from photography to fiber optics.The mathematical representation of phase delay (相位延迟) can be expressed using trigonometric functions. For a sinusoidal wave, the phase can be represented as a function of time, and any shift in this function indicates a phase delay (相位延迟). Engineers and scientists often use tools like Fourier transforms to analyze the frequency components of signals and determine the phase delay (相位延迟) associated with each component. This analysis is crucial for applications such as audio equalization, where specific frequencies may need to be adjusted in both amplitude and phase to achieve a balanced sound.In conclusion, the concept of phase delay (相位延迟) is fundamental across various scientific disciplines. Its implications can be observed in everyday experiences, from listening to music to utilizing advanced communication technologies. By grasping the significance of phase delay (相位延迟), we can better appreciate the intricate behaviors of waves and signals that shape our modern world. As technology continues to evolve, the importance of understanding phase delay (相位延迟) will only grow, paving the way for innovations that rely on precise control of wave phenomena.

在物理和工程领域，相位延迟（phase delay）这一概念在理解波动行为和信号处理方面起着至关重要的作用。当我们观察波，无论是声波、电磁波还是其他类型的振荡时，我们常常会注意到它们并不是同时达到峰值。这种现象可以归因于由于介质特性、频率差异甚至源与观察者之间距离造成的相位延迟（phase delay）。为了进一步说明这一概念，让我们考虑一个简单的例子，涉及两个扬声器以稍微不同的时间播放相同的声音。如果一个扬声器离听众更近，那么来自更近扬声器的声波将首先到达。到达时间的差异造成了两个声波之间的相位延迟（phase delay）。这种延迟会影响听众对声音的感知，导致一种现象称为干涉，其中波可能会根据其相位关系相互增强或抵消。在信号处理中，相位延迟（phase delay）是分析滤波器和系统时的重要参数。例如，在数字通信中，信号通常会被滤波器修改，这些滤波器故意引入相位延迟（phase delay）以实现所需的特性。理解相位延迟（phase delay）如何影响整体信号对于工程师设计保持信号完整性和最小失真系统至关重要。此外，相位延迟（phase delay）的应用超越了音频和通信技术。在光学中，例如，相位延迟（phase delay）在处理光波时至关重要。当光通过不同材料时，其速度会发生变化，导致相位延迟（phase delay），从而改变光的路径。这个原理被应用于各种光学设备，包括透镜和棱镜，这些设备操控光线用于从摄影到光纤等多种应用。相位延迟（phase delay）的数学表示可以通过三角函数来表达。对于正弦波，相位可以表示为时间的函数，任何该函数的位移都表示相位延迟（phase delay）。工程师和科学家通常使用傅里叶变换等工具分析信号的频率成分，并确定与每个成分相关的相位延迟（phase delay）。这种分析对于音频均衡等应用至关重要，在这些应用中，特定频率可能需要在幅度和相位上进行调整，以实现平衡的声音。总之，相位延迟（phase delay）这一概念在各个科学领域都是基础。其影响可以在日常体验中观察到，从听音乐到利用先进的通信技术。通过掌握相位延迟（phase delay）的重要性，我们可以更好地欣赏塑造我们现代世界的波动和信号的复杂行为。随着技术的不断发展，理解相位延迟（phase delay）的重要性只会增加，为依赖精确控制波动现象的创新铺平道路。