envelope delay

简明释义

群时延

英英释义

例句

1.The system experienced an envelope delay that affected the overall performance.

该系统经历了一个包络延迟，影响了整体性能。

2.The envelope delay can cause significant latency in video streaming applications.

在视频流应用中，包络延迟可能导致显著的延迟。

3.We measured the envelope delay during the testing phase of the project.

在项目测试阶段，我们测量了包络延迟。

4.To optimize the network, we need to analyze the envelope delay in data transmission.

为了优化网络，我们需要分析数据传输中的包络延迟。

5.Understanding the envelope delay is crucial for improving communication systems.

理解包络延迟对改善通信系统至关重要。

作文

In the field of signal processing, the term envelope delay refers to the time it takes for an envelope of a signal to propagate through a system. The envelope of a signal is essentially its smooth outline, which represents the amplitude variations over time. Understanding envelope delay is crucial for engineers and technicians who work with communication systems, audio processing, and other applications where timing and signal integrity are paramount. When a signal passes through various components, such as filters or amplifiers, its envelope may experience delays due to the physical properties of these components. This delay can affect the overall performance of the system, particularly in applications like telecommunications, where timing is critical for data transmission. For example, if the envelope delay is too long, it can lead to distortion and loss of information, which may result in poor quality of service. To illustrate this concept, consider a scenario where multiple signals are transmitted simultaneously. Each signal will have its own envelope, and if the envelope delay varies between them, it can cause interference. This phenomenon, known as inter-symbol interference (ISI), occurs when the delayed envelopes overlap, making it difficult to distinguish between the original signals. Engineers must carefully design systems to minimize envelope delay and ensure that signals remain clear and distinguishable. In practical terms, measuring envelope delay involves using specialized equipment that can analyze the time response of a signal as it travels through different components. By understanding the delays introduced by each component, engineers can make informed decisions about how to optimize their designs. This may include selecting faster components, adjusting circuit layouts, or implementing corrective measures such as equalization techniques. Moreover, the concept of envelope delay is not limited to electrical signals. It can also apply to other fields, such as acoustics and optics. In acoustics, for instance, the delay in the envelope of sound waves can impact audio clarity and spatial perception. Similarly, in optical systems, delays in the envelope of light waves can affect image quality and focus. As technology continues to advance, the importance of understanding envelope delay will only grow. With the rise of high-speed communication networks, such as 5G, engineers must be more vigilant about timing issues than ever before. The ability to accurately measure and compensate for envelope delay will be essential in ensuring that these networks operate efficiently and reliably. In conclusion, envelope delay is a fundamental concept in signal processing that has far-reaching implications across various fields. By grasping the significance of this term, professionals can enhance their designs, improve system performance, and ultimately deliver better services to users. As we move forward into an increasingly interconnected world, the mastery of concepts like envelope delay will be vital for success in many technological endeavors.

在信号处理领域，术语包络延迟指的是信号的包络在系统中传播所需的时间。信号的包络本质上是其平滑的轮廓，代表了随时间变化的幅度。理解包络延迟对工程师和技术人员至关重要，他们从事通信系统、音频处理和其他需要时序和信号完整性的应用。当信号通过各种组件（如滤波器或放大器）时，由于这些组件的物理特性，其包络可能会经历延迟。这种延迟会影响系统的整体性能，特别是在电信等应用中，时序对于数据传输至关重要。例如，如果包络延迟过长，可能导致失真和信息丢失，从而导致服务质量下降。为了说明这一概念，考虑一个同时传输多个信号的场景。每个信号将有自己的包络，如果它们之间的包络延迟不同，可能会导致干扰。这种现象称为符号间干扰（ISI），当延迟的包络重叠时，会使区分原始信号变得困难。工程师必须仔细设计系统，以最小化包络延迟，确保信号保持清晰且可区分。在实际操作中，测量包络延迟涉及使用专门设备来分析信号在不同组件中传播的时间响应。通过了解每个组件引入的延迟，工程师可以就如何优化设计做出明智的决定。这可能包括选择更快的组件、调整电路布局或实施补救措施，如均衡技术。此外，包络延迟的概念并不限于电信号。它也可以应用于其他领域，如声学和光学。在声学中，例如，声波包络的延迟可能影响音频清晰度和空间感知。同样，在光学系统中，光波包络的延迟可能影响图像质量和焦距。随着技术的不断进步，理解包络延迟的重要性只会增加。随着5G等高速通信网络的兴起，工程师必须比以往任何时候都更加关注时序问题。准确测量和补偿包络延迟的能力，将对确保这些网络高效可靠地运行至关重要。总之，包络延迟是信号处理中的基本概念，对各个领域都有深远的影响。通过掌握这个术语的意义，专业人士可以增强他们的设计、改善系统性能，并最终为用户提供更好的服务。随着我们进入一个日益互联的世界，掌握像包络延迟这样的概念将在许多技术事业中取得成功至关重要。